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NPort 5600 Series User’s Manual

Ninth Edition, June 2008

www.moxa.com/product

Reproduction without permission is prohibited.

NPort 5600 Series User’s Manual

The software described in this manual is furnished under a license agreement and may be used only in

accordance with the terms of that agreement.

Reproduction without permission is prohibited.

Trademarks

MOXA is a registered trademark of Moxa Inc

All other trademarks or registered marks in this manual belong to their respective manufacturers.

Disclaimer

Information in this document is subject to change without notice and does not represent a commitment on the

part of Moxa.

Moxa provides this document “as is,” without warranty of any kind, either expressed or implied, including, but

not limited to, its particular purpose. Moxa reserves the right to make improvements and/or changes to this

manual, or to the products and/or the programs described in this manual, at any time.

Information provided in this manual is intended to be accurate and reliable. However, Moxa assumes no

responsibility for its use, or for any infringements on the rights of third parties that may result from its use.

This product might include unintentional technical or typographical errors. Changes are periodically made to the

information herein to correct such errors, and these changes are incorporated into new editions of the

publication.

Technical Support Contact Information

www.moxa.com/support

Moxa Americas:

Toll-free: 1-888-669-2872

Tel: +1-714-528-6777

Fax: +1-714-528-6778

Moxa China (Shanghai office):

Toll-free: 800-820-5036

Tel: +86-21-5258-9955

Fax: +86-10-6872-3958

Moxa Europe:

Tel: +49-89-3 70 03 99-0

Fax: +49-89-3 70 03 99-99

Moxa Asia-Pacific:

Tel: +886-2-8919-1230

Fax: +886-2-8919-1231

Table of Contents

Chapter 1 Introduction..............................................................................................1-1

Overview............................................................................................................................ 1-2

Package Checklist .............................................................................................................. 1-2

Product Features................................................................................................................. 1-2

Product Specifications........................................................................................................ 1-3

Chapter 2 Getting Started.........................................................................................2-1

Panel Layout....................................................................................................................... 2-2

Connecting the Hardware................................................................................................... 2-3

Wiring Requirements .............................................................................................. 2-3

Connecting NPort 5610/30/50-16/8’s Power .......................................................... 2-3

Connecting NPort 5610-16/8-48V’s Power ............................................................ 2-3

Grounding NPort 5610-16/8-48V ........................................................................... 2-4

Connecting to the Network ..................................................................................... 2-4

Connecting to a Serial Device................................................................................. 2-5

LED Indicators........................................................................................................ 2-5

Link Indicator on the Rear Panel of NPort 5650 Fiber Model................................ 2-5

Real Time Clock ..................................................................................................... 2-5

Adjustable Pull High/low Resistors for the RS-485 Port ........................................ 2-5

Chapter 3 Initial IP Address Configuration.............................................................3-1

Initializing NPort’s IP Address........................................................................................... 3-2

Factory Default IP Address ................................................................................................ 3-2

LCM Display...................................................................................................................... 3-2

NPort Administration Suite ................................................................................................ 3-5

ARP.................................................................................................................................... 3-5

Telnet Console.................................................................................................................... 3-6

Chapter 4 Choosing the Proper Operation Mode...................................................4-1

Overview............................................................................................................................ 4-2

Real COM Mode ................................................................................................................ 4-2

TCP Server Mode............................................................................................................... 4-3

TCP Client Mode................................................................................................................ 4-4

UDP Mode.......................................................................................................................... 4-4

Pair Connection Mode........................................................................................................ 4-4

Reverse Telnet Mode.......................................................................................................... 4-5

Disabled Mode ................................................................................................................... 4-5

RFC2217 Mode.................................................................................................................. 4-5

PPP Mode........................................................................................................................... 4-6

Chapter 5 Web Console Configuration ...................................................................5-1

Opening Your Browser....................................................................................................... 5-2

Basic Settings..................................................................................................................... 5-3

Network Settings................................................................................................................ 5-5

Serial Settings..................................................................................................................... 5-9

Operating Settings.............................................................................................................5-11

Real COM Mode................................................................................................... 5-11

TCP Server Mode ................................................................................................. 5-14

TCP Client Mode .................................................................................................. 5-18

UDP Mode ............................................................................................................ 5-23

Pair Connection Mode .......................................................................................... 5-25

Reverse Telnet Mode ............................................................................................ 5-27

Disabled Mode...................................................................................................... 5-28

RFC2217 Mode..................................................................................................... 5-28

PPP Mode ............................................................................................................. 5-30

Accessible IP Settings ...................................................................................................... 5-31

PPP User Table................................................................................................................. 5-32

Auto Warning Settings ..................................................................................................... 5-33

Auto warning: E-mail and SNMP Trap................................................................. 5-33

Event Type............................................................................................................ 5-34

Monitor............................................................................................................................. 5-36

Monitor Line......................................................................................................... 5-36

Monitor Async ...................................................................................................... 5-36

Monitor Async-Settings........................................................................................ 5-37

Change Password............................................................................................................. 5-37

Load Factory Defaults...................................................................................................... 5-38

Chapter 6 Configuring NPort Administrator...........................................................6-1

Overview............................................................................................................................ 6-2

Installing NPort Administrator ........................................................................................... 6-2

Configuration ..................................................................................................................... 6-5

Broadcast Search..................................................................................................... 6-6

Unlock Password Protection ................................................................................... 6-7

Configuring NPort 5600........................................................................................ 6-10

Upgrading Firmware............................................................................................. 6-12

Export/Import........................................................................................................ 6-13

Monitor............................................................................................................................. 6-14

Port Monitor..................................................................................................................... 6-20

COM Mapping ................................................................................................................. 6-20

On-line COM Mapping......................................................................................... 6-21

Off-line COM Mapping........................................................................................ 6-25

IP Location ....................................................................................................................... 6-26

Chapter 7 IP Serial LIB..............................................................................................7-1

Overview............................................................................................................................ 7-2

IP Serial LIB Function Groups........................................................................................... 7-3

Example Program............................................................................................................... 7-3

Appendix A Pinouts and Cable Wiring ...................................................................... A-1

Port Pinout Diagrams ........................................................................................................ A-2

Ethernet Port Pinouts ............................................................................................. A-2

Serial Port Pinouts.................................................................................................. A-2

Cable Wiring Diagrams..................................................................................................... A-3

Ethernet Cables ...................................................................................................... A-3

Serial Cables for NPort 5610/5650 (RS-232)......................................................... A-3

Serial Cables for NPort 5630 (RS-422/4-wire RS-485)......................................... A-5

Serial Cables for NPort 5630 (2-wire RS-485) ...................................................... A-6

Serial Cables for NPort 5650 (RS-422/4-wire RS-485)......................................... A-7

Serial Cables for NPort 5650 (2-wire RS-485) ...................................................... A-8

Pin Assignments for DB9 and DB25 Connectors .................................................. A-9

Appendix B Well Known Port Numbers .................................................................... B-1

Appendix C SNMP Agent with MIB II & RS-232 Like Group .................................... C-1

Appendix D Auto IP Report Protocol......................................................................... D-1

Chapter 1 Introduction

The Moxa NPort 5600 Series of advanced serial device servers make it easy to network-enable

your serial devices. The NPort 5600 Series includes 8 models: NPort 5610-16, NPort 5610-8 (8 or

16 RS-232 ports, with AC power), NPort 5610-16-48V, NPort 5610-8-48V (8 or 16 RS-232 ports,

with DC power), NPort 5630-16, NPort 5630-8 (8 or 16 RS-422/485 ports, with AC power), and

NPort 5650-16, NPort 5650-8 (8 or 16 RS-232/422/285 ports, with AC power). In this manual, we

often refer to the eight products collectively as “5600” or “5600 Series.”

The following topics are covered in this chapter:

 Overview

 Package Checklist

 Product Features

 Product Specifications

NPort 5600 Series User’s Manual Introduction

1-2

Overview

The NPort 5600 Series serial device servers are designed to make your industrial serial devices

Internet ready instantly. The compact size of the NPort 5600 device servers makes them the ideal

choice for connecting your RS-232 (NPort 5610-16/8), RS-422/485 (NPort 5630-16/8), or

RS-232/422/485 (NPort 5650-16/8) serial devices—such as PLCs, meters, and sensors—to an

IP-based Ethernet LAN, making it possible for your software to access serial devices anywhere

over a local LAN or the Internet.

The NPort 5600 serial device servers ensure the compatibility of network software that uses a

standard network API (Winsock or BSD Sockets) by providing TCP Server Mode, TCP Client

Mode, and UDP Mode. And thanks to NPort’s Real COM/TTY drivers, software that works with

COM/TTY ports can be set up to work over a TCP/IP network in no time. This excellent feature

preserves your software investment and lets you enjoy the benefits of networking your serial

devices instantly.

The NPort 5600 serial device servers support automatic IP configuration protocols (DHCP,

BOOTP) and manual configuration via NPort’s handy web browser console. Both methods ensure

quick and effective installation, and by using NPort 5600’s Windows Utility, installation is very

straightforward, since all system parameters can be stored and then copied to other device servers

simultaneously.

Package Checklist

The Moxa NPort 5600 Series products are shipped with the following items:

Standard Accessories

y 1 16- or 8-port serial device server

y NPort Documentation & Software CD

y NPort 5600 Quick Installation Guide

y Power cord

Optional Accessories

y CBL-RJ45M9-150 RJ45 8-pin to DB9 Male cable, 150 cm

y CBL-RJ45F9-150 RJ45 8-pin to DB9 Female cable, 150 cm

y CBL-RJ45M25-150 RJ45 8-pin to DB25 Male cable, 150 cm

y CBL-RJ45F25-150 RJ45 8-pin to DB25 Female cable, 150 cm

NOTE: Notify your sales representative if any of the above items is missing or damaged.

Product Features

The NPort 5600 Series products have the following features:

y Make your serial devices Internet ready

y Easy-to-use LCM (Liquid Crystal Module) interface for setting up the IP address

y Versatile socket operation modes, including TCP Server, TCP Client, and UDP

y Easy-to-use Windows Utility for mass installation

y Supports 10/100 Mbps Ethernet—auto-detectable

y Supports 16/8-port RS-232 or RS-422/485 interface or RS-232/422/485 interface

y Built-in 15 KV ESD protection for all serial signals

y Supports SNMP MIB-II for network management

NPort 5600 Series User’s Manual Introduction

1-3

Product Specifications

LAN

Ethernet 10/100 Mbps, RJ45

Protection Built-in 1.5 KV magnetic isolation

Optical Fiber

Distance Multi mode:

0 to 2 km, 1310 nm (62.5/125 µm, 500 MHz*km)

Single mode:

0 to 40 km, 1310 nm (9/125 µm, 3.5 PS/(nm*km))

Min. TX Output Multi mode: -20 dBm

Single mode: 0 to 40 km, -5 dBm

Max. TX Output Multi mode: -14 dBm

Single mode: 0 to 40 km, 0 dBm

Sensitivity -36 to -32 dBm (Single), -34 to -30 dBm (Multi)

NPort 5610 Serial Interface

Interface RS-232

No. of Ports 16/8

Port Type RJ45 8-pin

Signals TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

Serial Line Protection 15 KV ESD for all signals

NPort 5630 Serial Interface

Interface RS-422/485

No. of Ports 16/8

Port Type RJ45 8-pin

Signals RS-422: Tx+, Tx-, Rx+, Rx-, GND

RS-485 (2-wire): Data+, Data-, GND

RS-485 (4-wire): Tx+, Tx-, Rx+, Rx-, GND

Serial Line Protection 15 KV ESD for all signals

RS-485 Data Direction ADDC™ (Automatic Data Direction Control)

NPort 5650 Serial Interface

Interface RS-232/422/485

No. of Ports 16/8

Port Type RJ45 8-pin

Signals RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD,

GND

RS-422: Tx+, Tx-, Rx+, Rx-, GND

RS-485 (2-wire): Data+, Data-, GND

RS-485 (4-wire): Tx+, Tx-, Rx+, Rx-, GND

Serial Line Protection 15 KV ESD for all signals

RS-485 Data Direction

ADDC™ (Automatic Data Direction Control)

Power Line Protection

4 KV Burst (EFT), EN61000-4-4

2 KV Surge, EN61000-4-5

NPort 5600 Series User’s Manual Introduction

1-4

Advanced Built-in Features

HMI LCM display with four push buttons

Buzzer

Real-Time Clock

Watch Dog Timer

Serial Communication Parameters

Parity None, Even, Odd, Space, Mark

Data Bits 5, 6, 7, 8

Stop Bit 1, 1.5, 2

Flow Control RTS/CTS, XON/XOFF, DSR/DTR (Excluded NPort 5630)

Transmission Speed 50 bps to 921.6 Kbps

Software Features

Protocols ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, DNS, SNMP,

HTTP, SMTP, SNTP, Rtelnet, ARP, PPP, RFC2217

Utilities NPort Administrator for Windows

98/ME/NT/2000/XP/2003/Vista/2008/XP x64/2003 x64/Vista

x64/2008 x64

OS Driver Support Real COM drivers for: Windows

95/98/ME/NT/2000/XP/Vista/2008/XP

x64/2003/2003 x64/Vista x64/2008 x64

Real TTY driver for: Linux 2.4.x, 2.6.x kernel

Fixed TTY drivers for: SCO Unix, SCO OpenServer 5,

OpenServer 6, UnixWare 7,

UnixWare 2.1, SVR4.2, QNX 4.25,

QNX 6, Solaris 10, FreeBSD 5,

FreeBSD 6

Configuration Web Browser, Telnet Console, or Windows Utility

Power Requirements

Power Input 100 to 240 VAC, 47 to 63 Hz, or ±48 VDC

(20 to 72 VDC, -20 to -72 VDC)

Power Consumption NPort 5610-16/8: 141 mA for 100V, 93 mA for 240V

NPort 5610-16/8-48V: 135 mA (at 48V max.)

NPort 5630-16/8: 152 mA for 100V, 98 mA for 240V

NPort 5650-8/16: 158 mA @ 100 VAC, 102 mA @ 240 VAC

NPort 5650-S-SC-8/16: 164 mA @ 100 VAC, 110 mA @ 240

VAC

NPort 5650-M-SC-8/16: 174 mA @ 100 VAC, 113 mA @ 240

VAC

Mechanical

Material SECC sheet metal (1 mm)

Dimensions (W × H × D) 190 × 44.5 × 478 mm (including ears)

190 × 44.5 × 440 mm (without ears)

NPort 5600 Series User’s Manual Introduction

1-5

Environment

Operating Temperature 0 to 55°C (32 to 131°F), 5 to 95%RH

Storage Temperature -20 to 85°C (-4 to 185°F), 5 to 95%RH

Regulatory Approvals

EMC FCC Class A, CE Class A

Safety UL, CUL, TÜV

WARRANTY 5 years

Chapter 2 Getting Started

This chapter includes information about installing NPort 5600 Series. The following topics are

covered:

 Panel Layout

 Connecting the Hardware

¾ Wiring Requirements

¾ Connecting NPort 5610/30/50-16/8’s Power

¾ Connecting NPort 5610-16/8-48V’s Power

¾ Grounding NPort 5610-16/8-48V

¾ Connecting to the Network

¾ Connecting to a Serial Device

¾ LED Indicators

¾ Link Indicator on the Rear Panel of NPort 5650 Fiber Model

¾ Real Time Clock

¾ Adjustable Termination Resistor for the RS-485 Port

NPort 5600 Series User’s Manual Getting Started

2-2

Panel Layout

The following figures depict the front and rear panels of the NPort 5600 series.

Front panel of NPort 5600 series

5610-16

Rear panel of NPort 5600 series (AC Power)

LAN

Serial ports

AC POWER 100-240V, 47-63Hz

1 2 3 4 5 6 7 8 9 10 11 12 1 3 14 15 16

Rear panel of NPort 5600 series (DC Power)

LAN

Serial ports

1 2 3 4 5 6 7 8 9 10 11 1 2 13 1 4 15 1 6

V+ V-

Rear panel of NPort 5650 Fiber model

Serial ports

Link

Fiber

AC POWER 100-240V, 47-63Hz

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 5 1 6

Reset Button—Press the Reset button continuously for 5 sec to load factory defaults: Use a

pointed object, such as a straightened paper clip or toothpick, to press the reset button. This will

cause the Ready LED to blink on and off. The factory defaults will be loaded once the Ready LED

stops blinking (after about 5 seconds). At this point, you should release the reset button.

NPort 5600 Series User’s Manual Getting Started

2-3

Connecting the Hardware

This section describes how to connect NPort 5600 Series to serial devices for first time testing

purposes. We cover Wiring Requirements, Connecting NPort 5610/30/50-16/8’s Power,

Connecting NPort 5610-16/8-48V’s Power, Grounding NPort 5610-16/8-48V, Connecting to

the Network, Connecting to a Serial Device, and LED Indicators.

Wiring Requirements

ATTENTION

Safety First!

Be sure to disconnect the power cord before installing and/or wiring your NPort 5600 Series.

Wiring Caution!

Calculate the maximum possible current in each power wire and common wire. Observe all

electrical codes dictating the maximum current allowable for each wire size.

If the current goes above the maximum ratings, the wiring could overheat, causing serious

damage to your equipment.

Temperature Caution!

Please take care when handling NPort 5600. When plugged in, NPort 5600’s internal

components generate heat, and consequently the casing may feel hot to the touch.

You should also pay attention to the following points:

y Use separate paths to route wiring for power and devices. If power wiring and device wiring

paths must cross, make sure the wires are perpendicular at the intersection point.

NOTE: Do not run signal or communication wiring and power wiring in the same wire

conduit. To avoid interference, wires with different signal characteristics should be routed

separately.

y You can use the type of signal transmitted through a wire to determine which wires should be

kept separate. The rule of thumb is that wiring that shares similar electrical characteristics can

be bundled together.

y Keep input wiring and output wiring separate.

y Where necessary, it is strongly advised that you label wiring to all devices in the system.

Connecting NPort 5610/30/50-16/8’s Power

Connect NPort 5610/30-16/8’s 100-240 VAC power line with its AC connector. If the power is

properly supplied, the “Ready” LED will show a solid red color until the system is ready, at which

time the “Ready” LED will change to a green color.

Connecting NPort 5610-16/8-48V’s Power

To connect NPort 5610-16/8-48V’s power cord with its terminal block, follow the steps given

below:

NPort 5600 Series User’s Manual Getting Started

2-4

V+ V-

1. Loosen the screws on the V+ and V- terminals of NPort 5610-16/8-48V’s

terminal block.

2. Connect the power cord’s 48 VDC wire to the terminal block’s V

terminal, and the power cord’s DC Power Ground wire to the terminal

block’s V- terminal, and then tighten the terminal block screws. (Note:

NPort 5610-16/8-48V can still operate even if the DC 48V and DC Power

Ground are reversed.)

If the power is properly supplied, the “Ready” LED will show a solid red color until the system is

ready, at which time the “Ready” LED will change to a green color.

NOTE You should use 8 kg-cm of screw torque and 22-14 AWG of suitable electric wire to connect

NPort 5610-16/8-48V’s power cord to its terminal block.

Grounding NPort 5610-16/8-48V

Grounding and wire routing helps limit the effects of noise due to electromagnetic interference

(EMI). Run the ground connection from the ground screw to the grounding surface prior to

connecting devices.

V+ V-

The Shielded Ground (sometimes called Protected Ground) contact is the

second contact from the right of the 5-pin power terminal block connector

located on the rear panel of NPort 5610-16-48V/5610-8-48V. Connect the

SG wire to the Earth ground.

ATTENTION

This product is intended to be mounted to a well-grounded mounting surface such as a metal

panel.

Connecting to the Network

Connect one end of the Ethernet cable to NPort 5600’s 10/100M Ethernet port and the other end of

the cable to the Ethernet network. There are 2 LED indicators located on the bottom left and right

corners of the Ethernet connector. If the cable is properly connected, NPort 5600 will indicate a

valid connection to the Ethernet in the following ways:

The bottom right corner LED indicator maintains a solid green color when the

cable is properly connected to a 100 Mbps Ethernet network.

The bottom left corner LED indicator maintains a solid orange color when the

cable is properly connected to a 10 Mbps Ethernet network.

NPort 5600 Series User’s Manual Getting Started

2-5

Connecting to a Serial Device

Connect the serial data cable between NPort 5600 and the serial device.

LED Indicators

The front panels of NPort 5600 have several LED indicators, as described in the following table.

LED Name LED Color LED Function

off Power is off, or power error condition exists.

Steady on: Power is on and NPort is booting up.

red Blinking: Indicates an IP conflict, or DHCP or BOOTP

server did not respond properly.

Steady on: Power is on and NPort is functioning

normally.

Ready

green Blinking: The NPort has been located by NPort

Administrator’s Location function.

orange Serial port is receiving data.

green Serial port is transmitting data.

1-16

off No data is being transmitted or received through the serial

port.

Link Indicator on the Rear Panel of NPort 5650 Fiber Model

The rear panels of NPort 5600 have a link indicator, as described in the following table.

LED Name LED Color LED Function

off Fiber is disconnected

green Fiber is connected and no data is being transmitted

Link

blinking Fiber is connected and data is being transmitted

Real Time Clock

NPort 5600’s real time clock is powered by a lithium battery. We strongly recommend that you do

not replace the lithium battery without the presence of Moxa’s technical support engineers. If you

need a battery change, contact Moxa for assistance.

ATTENTION

There is risk of explosion if the battery is replaced by an incorrect type. You need to dispose

used batteries according to the instructions.

Adjustable Pull High/low Resistors for the RS-485 Port

In some critical environments, you may need to add termination resistors to prevent the reflection

of serial signals. When using termination resistors, it is important to set the pull high/low resistors

correctly so that the electrical signal is not corrupted. Since a particular pull high/low resistor

value cannot fit all environments, the NPort 5650 uses DIP switches to set the pull high/low

resistor values for each serial port.

NPort 5600 Series User’s Manual Getting Started

2-6

To set the pull high/low resistors to 150 KΩ, make sure both of the assigned DIP switches are in

the OFF position. This is the default setting.

To set the pull high/low resistors to 1 KΩ, make sure both of the assigned DIP switches are in

the ON position.

ATTENTION

Do not use the 1 KΩ setting on the NPort 5650 when using the RS-232 interface. Doing so will

degrade the RS-232 signals and shorten the maximum allowed communication distance.

NPort 5650 DIP Switches

S1 for Port 1

S2 for Port 2

S3 for Port 3

S4 for Port 4

S5 for Port 5

S6 for Port 6

S7 for Port 7

S8 for Port 8

S9 for Port 9

S10 for Port 10

S11 for Port 11

S12 for Port 12

S13 for Port 13

S14 for Port 14

S15 for Port 15

S16 for Port 16

Chapter 3 Initial IP Address Configuration

When setting up your NPort 5600 for the first time, the first thing you should do is configure the

IP address. This chapter introduces several methods to configure NPort’s IP address. Select the

method that is the most convenient for you. For more details about network settings, see the

Network Settings section from Chapter 5, Web Console Configuration.

This chapter includes the following sections:

 Initializing NPort’s IP Address

 Factory Default IP Address

 LCM Display Å recommended configuration method

 NPort Administration Suite Å recommended configuration method

 ARP

 Telnet Console

NPort 5600 Series User’s Manual Initial IP Address Conﬁguration

3-2

Initializing NPort’s IP Address

1. Determine whether your NPort needs to use a Static IP or Dynamic IP (either DHCP or

BOOTP application).

2. If NPort is used in a Static IP environment, you can use NPort Administration Suite, ARP,

Web Console, or Telnet Console to configure the new IP address.

3. If NPort is used in a Dynamic IP environment, you can use NPort Administration suite, Web

Console, or Telnet Console to configure NPort to get an IP address dynamically with DHCP,

DHCP/BOOTP, or BOOTP.

ATTENTION

Consult your network administrator on how to reserve a fixed IP address (for your NPort) in the

MAC-IP mapping table when using a DHCP Server or BOOTP Server. In most applications, you

should assign a fixed IP address to your NPort.

Factory Default IP Address

NPort products are configured with the following default private IP address:

Default IP address: 192.168.127.254

(IP addresses of the form 192.168.xxx.xxx are referred to as private IP addresses, since it is not

possible to directly access a device configured with a private IP address from a public network.

For example, you would not be able to ping such a device from an outside Internet connection.

NPort applications that require sending data over a public network, such as the Internet, require

setting up the server with a valid public IP address, which can be leased from a local ISP.)

LCM Display

We recommend using the LCM display and four push buttons to configure the IP address for the

first time.

Basic Operation

If the NPort is working properly, the LCM panel will display a green color. The red Ready LED

will also light up, indicating that the NPort is receiving power. After the red Ready LED turns

green, you will see a display similar to:

N P 1 5 6 0 - 1 6 _ 3 8

1 9 2 . 1 6 8 . 1 2 7 . 2 5 4

Where

• NP5610-16 is the NPort’s name

• 38 is the NPort’s serial number

• 192.168.127.254 is the NPort’s IP address

NPort 5600 Series User’s Manual Initial IP Address Conﬁguration

3-3

There are four push buttons on NPort’s nameplate. Going from left to right, the buttons are:

Button Name Action

MENU menu activates the main menu, or returns to an upper level

U up cursor scrolls up through a list of items shown on the LCM panel’s second line

V down cursor scrolls down through a list of items shown on the LCM panel’s second

line

SEL select selects the option listed on the LCM panel’s second line

The buttons are manipulated in a manner similar to the way a modern cellular phone operates. As

you move through the various functions and setting options, note that the top line shows the

current menu or submenu name, and the bottom line shows the submenu name or menu item that is

activated by pressing the SEL button.

Detailed Menu Options

The best way to explain all of NPort’s LCM functions is to refer to the table shown on the next

page. There are three main levels—1, 2, and 3—with each level represented by a separate column.

The first thing to remember is that the MENU button is used to move back and forth between the

LCM panel’s default screen, and main menu screen:

N P 1 5 6 0 - 1 6 _ 3 8

1 9 2 . 1 6 8 . 1 2 7 . 2 5 4

M a i n M e n U

S e r v e r s t t i n g e ↓

In addition, you only need to remember to:

• Use the SEL button to move up one level (i.e., left to right on the tree graph)

• Use the MENU button to move down one level (i.e., right to left on the tree graph)

• Use the cursor keys, U V and , to scroll between the various options within a level (i.e.,

up and down on the tree graph).

As you use the buttons to operate the LCM display, you will notice that with very few

exceptions, moving up one level causes the bottom line of the display to move to the top

line of the display. You will also notice that the bottom three options in level 2, and all of

the options in level 3 have either a C or D attached. The meaning is as follows:

• C = configurable (i.e., you are allowed to change the setting of this option)

• D = display only (i.e., the setting for this option is displayed, but it cannot be changed)

This does NOT necessarily mean that the number does not change; only that you cannot

change it.

NPort 5600 Series User’s Manual Initial IP Address Conﬁguration

3-4

Level 1 Level 2 Level 3

Main Menu

Server

setting

Serial number

Server name

Firmware ver

Model name

Network

setting

Ethernet status

MAC address

IP config

IP address

Netmask

Gateway

DNS server 1

DNS server 2

Serial set Select port

Baudrate

Data bit

Stop bit

Parity

Flow control

Tx/Rx fifo

Interface

Tx/Rx bytes

Line status

Select port

Select mode

[mode]

Op Mode set

Real COM

Alive timeout

Max connection

Delimiter 1

Delimiter 2

Force Tx

TCP server

Alive timeout

Inact. time

Max connection

Delimiter 1

Delimiter 2

Force Tx

Local TCP port

Command port

TCP client

Alive timeout

Inact. time

Delimiter 1

Delimiter 2

Force Tx

Dest IP-1

TCP port-1

Dest IP-2

TCP port-2

Dest IP-3

TCP port-3

Dest IP-4

TCP port-4

TCP connect

UDP svr/cli

Delimiter 1

Delimiter 2

Force Tx

Dest IP start-1

Dest IP end-1

Dest port-1

Dest IP start-2

Dest IP end-2

Dest port-2

Dest IP start-3

Dest IP end-3

Dest port-3

Dest IP start-4

Dest IP end-4

Dest port-4

Local port

Console Web console

Telnet console

Ping C

Save/Restart C

The part of the LCM operation that still requires some explanation is how to edit the

configurable options. In fact, you will only encounter two types of configurable options.

The first type involves entering numbers, such as IP addresses, Netmasks, etc. In this case,

you change the number one digit at a time. The up cursor (U) is used to decrease the

highlighted digit, the down cursor (V) is used to increase the highlighted digit, and the sel

button is used to move to the next digit. When the last digit has been changed, pressing sel

simply enters the number into NPort 5600 Series’ memory.

The second type of configurable option is when there are only a small number of options

from which to choose (although only one option will be visible at a time). Consider the

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3-5

Parity attribute under Serial set as an example. Follow the tree graph to arrive at the

following Parity screen. The first option, None, is displayed, with a down arrow all the way

to the right. This is an indication that there are other options from which to choose.

P a r i t Y

N O n e ↓

Press the down cursor button once to see Odd as the second option.

P a r i t Y

O D D ↓

Press the down cursor button again to see Even as the third option.

P a r i t Y

E v e n ↓

Press the down cursor button again to see Space as the fourth option.

P a r i t Y

S p a c e ↓

Press the down cursor button yet again to see the last option, Mark.

P a r i t Y

M a r k ↓

To choose the desired option, press the SEL button when the option is showing on the screen.

NPort Administration Suite

NPort Administration Suite consists of some useful utility programs that are used to configure and

manage your NPorts.

See Chapter 6 for details on how to install NPort Administration Suite, and how to use this

suite of useful utilities to set up IP addresses and configure your NPort.

ARP

You can make use of the ARP (Address Resolution Protocol) command to set up an IP address for

your NPort. The ARP command tells your computer to associate the NPort’s MAC address with

the intended IP address. You must then use Telnet to access the NPort, at which point the Device

Server’s IP address will be reconfigured.

ATTENTION

In order to use this setup method, both your computer and NPort must be connected to the same

LAN.

Or, you may use a cross-over Ethernet cable to connect the NPort directly to your computer’s

Ethernet card.

Your NPort must be configured with the factory default IP address— —192.168.127.254 before

executing the ARP command, as described below.

NPort 5600 Series User’s Manual Initial IP Address Configuration

3-6

Take the following steps to use ARP to configure the IP address:

1. Obtain a valid IP address for your NPort from your network administrator.

2. Obtain the NPort’s MAC address from the label on its bottom panel.

3. Execute the ‘arp -s’ command from your computer’s MS-DOS prompt by typing:

arp –s 192.168.200.100 00-90-E8-xx-xx-xx

This is where 192.168.200.100 is the new IP address and 00-90-E8-xx-xx-xx is the MAC address

for your NPort. You will need to change both numbers, as described above in points 1 and 2.

4. Next, execute a special Telnet command by typing:

telnet 192.168.200.100 6000

After issuing this command, a Connect failed message will appear, as shown here. After the

NPort reboots, its IP address should be updated to the new address, and you can reconnect

using Telnet, Web, or Administrator to check that the update was successful.

Telnet Console

Depending on how your computer and network are configured, you may find it convenient to use

network access to set up your NPort’s IP address. This can be done using the Telnet program.

ATTENTION

Figures in this section will use 5610-8 as an example.

1. From the Windows desktop, click Start and then select Run.

2. Type telnet 192.168.127.254 (use the correct IP address if different from the default)

in the Open text input box, and then click OK.

3. When the Telnet window opens, if you are prompted to input the Console password, input the

password and then press Enter.

Note that this page will only appear if the NPort is password protected.

NPort 5600 Series User’s Manual Initial IP Address Configuration

3-7

4. Type 2 to select Network settings, and then press Enter.

5. Type 1 to select IP address and then press Enter.

6. Use the Backspace key to erase the current IP address, type in the new IP address, and then

press Enter.

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3-8

7. Press any key to continue…

8. Type m or M and then press Enter to return to the main menu.

9. Type s or S and then press Enter to Save/Restart the system.

NPort 5600 Series User’s Manual Initial IP Address Configuration

3-9

10. Type y or Y and then press Enter to save the new IP address and restart NPort.

Chapter 4 Choosing the Proper Operation Mode

In this chapter, we describe the various NPort 5600 operation modes. The options include an

operation mode that uses a driver installed on the host computer, and operation modes that rely on

TCP/IP socket programming concepts. After choosing the proper operation mode in this chapter,

refer to Chapter 5 for detailed configuration parameter definitions.

The following topics are covered in this chapter:

 Overview

 Real COM Mode

 TCP Server Mode

 TCP Client Mode

 UDP Mode

 Pair Connection Mode

 Reverse Telnet Mode

 Disabled Mode

 RFC 2217 Mode

 PPP Mode

NPort 5600 Series User’s Manual Choosing the proper Operation Mode

4-2

Overview

NPort Device Servers network-enable traditional RS-232/422/485 devices, in which a Device

Server is a tiny computer equipped with a CPU, real-time OS, and TCP/IP protocols that can

bi-directionally translate data between the serial and Ethernet formats. Your computer can access,

manage, and configure remote facilities and equipment over the Internet from anywhere in the

world.

Traditional SCADA and data collection systems rely on serial prots (RS-232/422/485) to collect

data from various kinds of instruments. Since NPort Serial Device Servers network-enable

instruments equipped with an RS-232/422/485 communication port, your SCADA and data

collection system will be able to access all instruments connected to a standard TCP/IP network,

regardless of whether the devices are used locally or at a remote site.

NPort is an external IP-based network device that allows you to expand the number of serial ports

for a host computer on demand. As long as your host computer supports the TCP/IP protocol, you

won’t be limited by the host computer’s bus limitation (such as ISA or PCI), or lack of drivers for

various operating systems.

In addition to providing socket access, NPort also comes with a Real COM/TTY driver that

transmits all serial signals intact. This means that your existing COM/TTY-based software can be

preserved, without needing to invest in additional software.

Three different Socket Modes are available: TCP Server, TCP Client, and UDP Server/Client. The

main difference between the TCP and UDP protocols is that TCP guarantees delivery of data by

requiring the recipient to send an acknowledgement to the sender. UDP does not require this type

of verification, making it possible to offer speedier delivery. UDP also allows multicasting of data

to groups of IP addresses.

Real COM Mode

NPort comes equipped with COM drivers that work

with Windows 95/98/ME/NT/2000/XP systems,

and also TTY drivers for Linux systems. The driver

establishes a transparent connection between host

and serial device by mapping the IP:Port of the

NPort’s serial port to a local COM/TTY port on the

host computer. This operation mode also supports

up to 4 simultaneous connections, so that multiple

hosts can collect data from the same serial device at

the same time.

RS 232/422/485-

Driver Mode

COM3 = IP Port

Device

TCP/IP

Ethernet

Real COM Mode

5610-

ATTENTION

The driver used for Real COM Mode comes with the NPort Windows Administrator. The driver

is installed automatically on your computer when you install NPort Administration Suite.

NPort 5600 Series User’s Manual Choosing the proper Operation Mode

4-3

The important point is that Real COM Mode allows users to continue using RS-232/422/485 serial

communications software that was written for pure serial communications applications. The driver

intercepts data sent to the host’s COM port, packs it into a TCP/IP packet, and then redirects it

through the host’s Ethernet card. At the other end of the connection, the NPort accepts the Ethernet

frame, unpacks the TCP/IP packet, and then transparently sends it to the appropriate serial device

attached to one of the NPort’s serial ports.

ATTENTION

Real COM Mode allows several hosts to have access control over the same NPort. The driver

that comes with your NPort controls host access to attached serial devices by checking the host’s

IP address.

Modify the Accessible IP Setting table when the legal IP address should be required in your

application

TCP Server Mode

In TCP Server mode, NPort provides a unique

IP:Port address on a TCP/IP network. NPort waits

passively to be contacted by the host computer,

allowing the host computer to establish a

connection with and get data from the serial device.

This operation mode also supports up to 4

simultaneous connections, so that multiple hosts

can collect data from the same serial device—at the

same time.

As illustrated in the figure, data transmission

proceeds as follows:

1. The host requests a connection from the NPort

configured for TCP Server Mode.

2. Once the connection is established, data can be

transmitted in both directions—from the host

to the NPort, and from the NPort to the host.

TCP Server Mode

1Request a

connection

2Proceed with

data transmission

TCP Server

TCP/IP

Ethernet

RS-232/422/485

Device

5610-

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4-5

Reverse Telnet Mode

NPort 5600

Series

TCP/IP

Router Server Server

RS-232

Unix Windows NT

5610-16

Telnet

Console management is commonly used by connecting to Console/AUX or COM ports of routers,

switches, and UPS units. Rtelnet works the same as RAW mode in that only one TCP port is

listened to after booting up. The system then waits for a host on the network to initiate a

connection. The difference is that the RAW mode does not provide the conversion function

provided by Telnet. If the connected devices need to use the CR/LF conversion function when

controlling, then users must choose Rtelnet mode.

Disabled Mode

Setting the operation mode of a particular port to Disabled, disables that port.

RFC2217 Mode

RFC2217 is a standard driver that provides Virtual COM function. RFC2217 defines general com

port control options based on telnet protocol. Any 3rd party driver supporting RFC2217 can be used

to implement virtual COM on NPort 5600 series. The driver establishes a transparent connection

between host and serial device by mapping the IP:Port of the NPort 5600 series’ serial port to a local

COM port on the host computer. (RFC2217 Mode supports 1 connection)

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PPP Mode

NPort 5600 Device Server supports standard PPP service for out-of-band management if the Ethernet

network crashes. The PPP function enables dial-in access for users who need a remote access

solution. When a user at a remote site uses PPP dial-in to connect to NPort 5600, NPort 5600 plays

the role of a dial-in server. After the PPP connection is established, the user can remotely manage the

NPort 5600.

Please refer to Chapter 5 for detailed information and configuration instructions.

NPort 5600 Series

TCP/IP

Router

PC Notebook

Modem

PPP

Dialin

PPP

Dialin

Modem

Web Server E-mail Server

Internet

5610-

Chapter 5 Web Console Configuration

The Web Console is the most user-friendly method available to configure NPort 5600 Series. This

chapter will introduce the Web Console function groups and function definitions. The figures in

this chapter were borrowed from the manual for NPort 5200, which uses the same Web Console

user interface as NPort 5600.

 Opening Your Browser

 Basic Settings

 Network Settings

 Serial Settings

 Operating Settings

¾ Real COM Mode

¾ TCP Server Mode

¾ TCP Client Mode

¾ UDP Mode

¾ Pair Connection Mode

¾ Reverse Telnet Mode

¾ Disabled Mode

¾ RFC 2217 Mode

¾ PPP Mode

 Accessible IP Settings

 PPP User Table

 Auto Warning Settings

¾ Auto warning: E-mail and SNMP Trap

¾ Event Type

 Monitor

¾ Monitor Line

¾ Monitor Async

¾ Monitor Async-Settings

 Change Password

 Load Factory Default

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5-3

4. The NPort 5600 homepage will open. On this page, you can see a brief description of the Web

Console’s nine function groups.

ATTENTION

If you can’t remember the password, the ONLY way to start configuring NPort is to load factory

defaults by using the Reset button located near the NPort’s RJ45 Ethernet port.

Remember to use NPort Administrator to export the configuration file when you have finished

the configuration. After using the Reset button to load factory defaults, your configuration can be

easily reloaded into NPort by using the NPort Administrator Import function. Refer to Chapter 6

for more details about using the Export and Import functions.

ATTENTION

If your NPort application requires using password protection, you must enable the cookie

function in your browser. If the cookie function is disabled, you will not be allowed to enter the

Web Console Screen.

Basic Settings

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5-4

Server name

Setting Factory Default Necessity

1 to 39 characters NP[model name]-[Port No.]_ [Serial No.] Optional

This option is useful for specifying the location or application of different NPorts.

Time

NPort 5600 has a built-in Real-Time Clock for time calibration functions. Functions such as Auto

warning “Email” or “SNMP Trap” can add real-time information to the message.

ATTENTION

First time users should select the time zone first. The Console will display the “real time”

according to the time zone compared to GMT.

If you would like to modify the real time clock, select “Local time.” NPort’s firmware will

modify the GMT time according to the Time Zone.

Time zone

Setting Factory Default Necessity

User selectable time zone GMT (Greenwich Mean Time) Optional

Local time

Setting Factory Default Necessity

User adjustable time.

(1900/1/1-2037/12/31) GMT (Greenwich Mean Time) Optional

Click the Modify button to open the Modify time settings window to input the correct local time.

Time server

Setting Factory Default Necessity

IP or Domain address

(E.g., 192.168.1.1 or time.stdtime.gov.tw)

None Optional

NPort 5600 uses SNTP (RFC-2030) for auto time calibration.

Input the correct “Time server” IP address or domain address. Once NPort is configured with the

correct Time Server address, NPort will request time information from the “Time server” every 10

minutes.

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5-5

Console

The “Disable” option for Web Console and Telnet Console is included for security reasons. In

some cases, you may want to Disable one or both of these Console utilities as an extra precaution

to prevent unauthorized users from accessing your NPort. The factory default for both Web

Console and Telnet Console is Enable.

Setting Factory Default Necessity

Enable or Disable Enable Required

ATTENTION

If you disable both the “Web Console” and “Telnet Console,” you can still use the LCM Display

to configure NPort locally, or Windows Administrator to configure NPort either locally or

remotely over the network.

Network Settings

You must assign a valid IP address to NPort 5600 before it will work in your network environment.

Your network system administrator should provide you with an IP address and related settings for

your network. The IP address must be unique within the network (otherwise, NPort 5600 will not

have a valid connection to the network). First time users can refer to Chapter 3, Initial IP Address

Configuration, for more information.

You can choose from four possible IP Configuration modes—Static, DHCP, DHCP/BOOTP, and

BOOTP—located under the web console screen’s IP configuration drop-down box.

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5-6

Method Function Definition

Static User defined IP address, Netmask, Gateway.

DHCP DHCP Server assigned IP address, Netmask, Gateway, DNS, and Time

Server

DHCP/BOOTP DHCP Server assigned IP address, Netmask, Gateway, DNS, and Time

Server, or BOOTP Server assigned IP address (if the DHCP Server does not

respond)

BOOTP BOOTP Server assigned IP address

IP Address

Setting Factory Default Necessity

E.g., 192.168.1.1 (IP addresses of the form

xxx xxx. . .0 and . . .255 are invalid.) 192.168.127.254 Required

An IP address is a number assigned to a network device (such as a computer) as a permanent

address on the network. Computers use the IP address to identify and talk to each other over the

network. Choose a proper IP address which is unique and valid in your network environment.

Netmask

Setting Factory Default Necessity

E.g., 255.255.255.0 255.255.255.0 Required

A subnet mask represents all the network hosts at one geographic location, in one building, or on

the same local area network. When a packet is sent out over the network, the NPort will use the

subnet mask to check if the desired TCP/IP host specified in the packet is on the local network

segment. If the address is on the same network segment as the NPort, a connection is established

directly from the NPort. Otherwise, the connection is established through the given default

gateway.

Gateway

Setting Factory Default Necessity

E.g., 192.168.1.1 None Optional

A gateway is a network gateway that acts as an entrance to another network. Usually, the

computers that control trafﬁc within the network or at the local Internet service provider are

gateway nodes. NPort needs to know the IP address of the default gateway computer in order to

communicate with the hosts outside the local network environment. For correct gateway IP

address information, consult the network administrator.

IP Configuration

Setting Factory Default Necessity

Static

DHCP

DHCP/BOOTP

BOOTP

Static Required

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5-7

ATTENTION

In Dynamic IP environments, the firmware will retry 3 times every 30 seconds until network

settings are assigned by the DHCP or BOOTP server. The Timeout for each try increases from 1

second, to 3 seconds, to 5 seconds.

If the DHCP/BOOTP Server is unavailable, the firmware will use the default IP address

(192.168.127.254), Netmask, and Gateway for IP settings.

DNS server 1 / DNS server 2

Setting Factory Default Necessity

E.g., 192.168.1.1

(IP addresses of the form xxx. . .0 and

xxx. . .255 are invalid.)

None Optional

When the user wants to visit a particular website, the computer asks a Domain Name System

(DNS) server for the website’s correct IP address, and the computer users the response to connect

to the web server. DNS is the way that Internet domain names are identiﬁed and translated into IP

addresses. A domain name is an alphanumeric name, such as moxa.com, that it is usually easier to

remember. A DNS server is a host that translates this kind of text-based domain name into the

numeric IP address used to establish a TCP/IP connection.

In order to use NPort’s DNS feature, you need to set the IP address of the DNS server to be able to

access the host with the domain name. NPort provides DNS server 1 and DNS server 2

configuration items to configure the IP address of the DNS server. DNS Server 2 is included for

use when DNS sever 1 is unavailable.

NPort plays the role of DNS client. Functions that support domain name in NPort are Time Sever

IP Address, TCP Client-Destination IP Address, Mail Server, SNMP Trap IP Address, and

IP Location Server.

SNMP Settings

Community name

Setting Factory Default Necessity

1 to 39 characters

(E.g., Support, 886-89191230 #300) public Optional

A community name is a plain-text password mechanism that is used to weakly authenticate queries

to agents of managed network devices.

Contact

Setting Factory Default Necessity

1 to 39 characters

(E.g., Support, 886-89191230 #300)

None Optional

The SNMP contact information usually includes an emergency contact name and telephone or

pager number.

Location

Setting Factory Default Necessity

1 to 39 characters

(E.g., Floor 1, office 2)

None Optional

Specify the location string for SNMP agents such as NPort. This string is usually set to the street

address where the NPort is physically located.

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5-8

IP Address Report

When NPort 5600 series products are used in a dynamic IP environment, users must spend more

time with IP management tasks. For example, if NPort works as a server (TCP or UDP), then the

host, which acts as a client, must know the IP address of the server. If the DHCP server assigns a

new IP address to NPort, the host must have some way of determining NPort’s new IP address.

NPort 5000 series products help out by periodically reporting their IP address to the IP location

server, in case the dynamic IP has changed. The parameters shown below are used to configure the

Auto IP report function. There are two ways to develop an “Auto IP report Server” to receive

NPort’s Auto IP report.

1. Use NPort Administrator’s IP Address Report function.

2. “Auto IP report protocol,” which can automatically receive the Auto IP report on a regular

basis, is also available to help you develop your own software. Refer to Appendix E for the

“Auto IP report protocol”.

Auto report to IP

Setting Factory Default Necessity

E.g., 192.168.1.1

(IP addresses of the form xxx. . .0 and

xxx. . .255 are invalid.)

None Optional

Reports generated by the Auto report function will be sent automatically to this IP address.

Auto report to TCP port

Setting Factory Default Necessity

E.g., 4001 None Optional

Auto report period

Setting Factory Default Necessity

Time interval (in seconds) 10 Optional

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5-10

Serial Parameters

ATTENTION

Check the serial communication parameters in your Serial Device’s user’s manual. You should

set up NPort’s serial parameters with the same communication parameters used by your serial

devices.

Baudrate

Setting Factory Default Necessity

50 bps to921.6 Kbps 115.2 Kbps Required

Data bits

Setting Factory Default Necessity

5, 6, 7, 8 8 Required

When the user sets Data bits to 5 bits, the stop bits setting will automatically change to 1.5 bits.

Stop bits

Setting Factory Default Necessity

1, 1.5, 2 1 Required

Stop bits will be set to 1.5 when Data bits is set to 5 bits.

Parity

Setting Factory Default Necessity

None, Even, Odd, Space, Mark None Required

Flow control

Setting Factory Default Necessity

None, RTS/CTS, DTR/DSR, Xon/Xoff RTS/CTS Required

FIFO

Setting Factory Default Necessity

Enable, Disable Enable Required

NPort’s serial ports provide a 16-byte FIFO both in the Tx and Rx directions. Disable the FIFO

setting when your serial device does not have a FIFO to prevent data loss during communication.

Interface

Setting Factory Default Necessity

NPort 5610-16/8: RS-232 only RS-232 only Required

NPort 5630-16/8: RS-422/485 only 4-wire RS-485 Required

NPort 5650-16/8 RS-232 Required

NPort 5600 Series User’s Manual Web Console Configuration

5-11

Operating Settings

Click Operating Settings located under Main Menu, to display the operating settings for all of

NPort’s serial ports.

Real COM Mode

TCP alive check time

Setting Factory Default Necessity

0 to 99 min 7 min Optional

0 min: TCP connection is not closed due to an idle TCP connection.

1 to 99 min: NPort automatically closes TCP connection if there is no TCP activity for the given

time. After the connection is closed, NPort starts listening for another Real COM driver

connection from another host.

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Packing length

Setting Factory Default Necessity

0 to 1024 0 Required

Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If

the data length (in bytes) matches the configured value, the data will be forced out. The data length

can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length.

Delimiter 1

Setting Factory Default Necessity

00 to FF None Optional

Delimiter 2

Setting Factory Default Necessity

00 to FF None Optional

Once the NPort receives both delimiters through its serial port, it immediately packs all data

currently in its buffer and sends it to the NPort’s Ethernet port.

ATTENTION

Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buﬀer. If the size

of the serial data received is greater than 1 KB, the NPort will automatically pack the data and

send it to the Ethernet. However, to use the delimiter function, you must at least enable Delimiter

1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function will not work

properly.

Delimiter process

Setting Factory Default Necessity

Do nothing, Delimiter + 1, Delimiter +

2, Strip Delimiter Do Nothing Required

When [Delimiter + 1] or [Delimiter + 2] is selected, the data will be transmitted when an

additional byte (for Delimiter +1), or an additional 2 bytes (for Delimiter +2) of data is received

after receiving the Delimiter.

When [Strip Delimiter] is selected, when the Delimiter is received, the Delimiter is deleted (i.e.,

stripped), and the remaining data is transmitted.

When [Do nothing] is selected, the data will be transmitted when the Delimiter is received.

Force transmit

Setting Factory Default Necessity

0 to 65535 ms 0 ms Optional

0: Disable the force transmit timeout.

1 to 65535: Forces the NPort’s TCP/IP protocol software to try to pack serial data received during

the specified time into the same data frame.

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This parameter defines the time interval during which NPort fetches the serial data from its

internal buffer. If data is incoming through the serial port, NPort stores the data in the internal

buffer. NPort transmits data stored in the buffer via TCP/IP, but only if the internal buffer is full or

if the Force transmit time interval reaches the time specified under Force transmit timeout.

The optimal Force transmit timeout depends on your application, but it must be at least larger than

one character interval within the specified baudrate. For example, assume that the serial port is set

to 1200 bps, 8 data bits, 1 stop bit, and none for parity. In this case, the total number of bits needed

to send a character is 10 bits, and the time required to transfer one character is

( 10 (bits) / 1200 (bits/s) ) * 1000 (ms/s) = 8.3 ms.

Therefore, you should set Force transmit timeout to be larger than 8.3 ms, so in this case, it must

be greater than or equal to 10 ms.

If the user wants to send the series of characters in the same packet, the serial device attached to

NPort should send that series of characters during a time interval less than the Force Transmit

timeout for NPort, and the total length of data must be less than or equal to NPort’s internal buffer

size. The serial communication buffer size for NPort is 1 KB per port.

TCP Server Mode

TCP alive check time

Setting Factory Default Necessity

0 to 99 min 7 min Optional

0 min: TCP connection is not closed due to an idle TCP connection.

1 to 99 min: NPort automatically closes the TCP connection if there is no TCP activity for the

given time. After the connection is closed, NPort starts listening for another host’s TCP

connection.

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Inactivity time

Setting Factory Default Necessity

0 to 65535 ms 0 ms Optional

0 ms: TCP connection is not closed due to an idle serial line.

0-65535 ms: NPort automatically closes the TCP connection if there is no serial data activity for

the given time. After the connection is closed, NPort starts listening for another host’s TCP

connection.

This parameter defines the maintenances status as Closed or Listen on the TCP connection. The

connection is closed if there is no incoming or outgoing data through the serial port during the

specific Inactivity time.

If the Inactivity time is set to 0, the current TCP connection is kept active until a connection close

request is received. Although Inactivity time is disabled, the NPort will check the connection

status between the NPort and remote host by sending “keep alive” packets periodically. If the

remote host does not respond to the packet, NPort assumes that the connection was closed down

unintentionally. NPort will then force the existing TCP connection to close.

ATTENTION

The Inactivity time should at least be set larger than that of Force transmit timeout. To prevent

the unintended loss of data due to the session being disconnected, it is highly recommended that

this value is set large enough so that the intended data transfer is completed.

Max connection

Setting Factory Default Necessity

1, 2, 3, 4 1 Required

Max connection is usually used when the user needs to receive data from different hosts

simultaneously. The factory default only allows 1 connection at a time.

Max. connection 1:

NPort only allows 1 host to open the TCP connection to the specific serial port.

Max connection 2 to 4:

Allows 2 to 4 host’s TCP connection request to open this NPort serial port, at the same time. When

multiple hosts establish a TCP connection to the specific serial port at the same time, NPort will

duplicate the serial data and transmit to all of the hosts. Ethernet data is sent on a first-in-first-out

basis to the serial port when data comes into NPort from the Ethernet interface.

Ignore jammed IP

Setting Factory Default Necessity

No or Yes No Required

For previous versions of NPort 5200, when Max connections > 1, and the serial device is

transmitting data, if any one of the connected hosts was not responding NPort 5200 would wait

until the data had been transmitted successfully before transmitting the second group of data to all

hosts. For the current version of NPort 5200, if you select Yes for “Ignore jammed IP,” the host

that is not responding will be ignored, but the data will still be transmitted to the other hosts.

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Allow driver control

Setting Factory Default Necessity

No or Yes No Required

If “max connection” is greater than 1, NPort will ignore driver control commands from all

connected hosts. However, if you set “Allow driver control” to YES, control commands will be

accepted. Note that since NPort 5200 may get configuration changes from multiple hosts, the most

recent command received will take precedence.

Packing length

Setting Factory Default Necessity

0 to 1024 0 Required

Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If

the data length (in bytes) matches the configured value, the data will be forced out. The data length

can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length.

Delimiter 1

Setting Factory Default Necessity

00 to FF None Optional

Delimiter 2

Setting Factory Default Necessity

00 to FF None Optional

Once the NPort receives both delimiters through its serial port, it immediately packs all data

currently in its buffer and sends it to the NPort’s Ethernet port.

Delimiter process

Setting Factory Default Necessity

Do nothing, Delimiter + 1, Delimiter +

2, Strip Delimiter Do Nothing Required

When [Delimiter + 1] or [Delimiter + 2] is selected, the data will be transmitted when an

additional byte (for Delimiter +1), or an additional 2 bytes (for Delimiter +2) of data is received

after receiving the Delimiter. When [Strip Delimiter] is selected, when the Delimiter is received,

the Delimiter is deleted (i.e., stripped), and the remaining data is transmitted. When [Do nothing]

is selected, the data will be transmitted when the Delimiter is received.

ATTENTION

Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buﬀer. If the size

of the serial data received is greater than 1 KB, the NPort will automatically pack the data and

send it to the Ethernet. However, to use the delimiter function, you must at least enable Delimiter

1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function will not work

properly.

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