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A6768 / Rev.2 www.entes.com.tr
MCB-125/126 MULTIFUNCTION DIGITAL TIME RELAY
With 1 CO Contact
Operating Manual
Dudullu OSB; 1. Cadde; No: 23 34776 Umraniye - ISTANBUL / TURKEY
Tel : Fax : +90 216 313 01 10 +90 216 314 16 15
12
Precautions for Installation and Safe Use
If below precautions are not properly observed and carried out, it may result in cases with injury or
death.
· Disconnect power before working on the device.
· When device is connected to the network, do not remove the front panel.
· Do not clean the device with solvent or similar items. Only clean with dry cloth.
· Verify correct terminal connections before energizing the device.
· Install the device on the electrical panel.
· Contact your authorized reseller in case problems occur with your device.
·No responsibility is assured by the manufacturer or any of its subsidiaries for any
consequences rising out of not following above precautions.
1. INTRODUCTION
MCB-125/126 is a multifunction digital timer with 1 CO contact. It offers wide time adjustment range
between 0.1-9999 seconds/minutes.
1.1 Application
MCB-125/126 has 21 different functions with wide adjustable time ranges. The main application area
is the industrial and automation control systems.
The device has two dry contacts for START and STOP inputs.
1.2 Product Features
MCB-125/126 has the following features:
· 85-315 VAC/DC - MCB-125
10-30 VAC/DC - MCB-126
· 21 different functions
· 0.1-9999 seconds/minutes time range
· 1 relay output
· Start-Stop dry contact inputs
· Memorizing remaining time of function in case of a power outage
· Custom design LCD with green backlight
· SET, ESC, UP, DOWN buttons are located on front panel for easy programming
· PK25 DIN Rail mounting
1.3 Hardware Features
To operate functions with external triggering, the device has the necessary START and STOP dry contacts.
LCD
UP BUTTON
SET BUTTON
ESC BUTTON
DOWN BUTTON
Stop
Start
L N 4 5 6
C NCNO
R1
U
3 4
1.3.1. Display
1.2.3 Outputs
MCB-125/126 has one changeover relay output. According to VDE 0110 and IEC 60947-1 standards;
switching capacity of relay output is 8A, 2000VA, 250 V. and maximum electrical life time is 1x 10^6.
1. Indicates that the relay will start as closed.ONSrt :
2. Indicates that the relay will start as open.OFFSrt:
3. Indicates that the function is started with external input.Srt-Input Icon:
4. Indicates whether function trigger is Level or Edge.
5. Battery
6 and 8. min sec : Indicates whether timing unit is minute or second
7. Time setting indicator for Star-Delta function
9. Numeric Two Digits: Show function number.
10. Indicates that stop input is active. Indicates that stop input is active.Stop: Start:
11. When R1 or R2 relays are activated, the center of the circles are turned on. and letters are usedR L
to indicate left or right direction when inverser relay function is selected. Indicate the outputStar-Delta:
relay state in Star-Delta function.
12. Indicates the time type of functions.
13. In the main menu, it shows the elapsed time.
14. In the main menu, it shows the entered time. In the settings menu, it shows the function names.
1.2.2 Button functionality
SET, ESC, UP and DOWN buttons help to select functions and set their times.
UP button goes to previous menu item in Settings Menu and increase selected parameter value.
DOWN button goes to next menu item in Setting Menu and decrease selected parameter value.
SET button is for entering data. When pressed at least 3 seconds, Setting Menu is selected.
ESC button exits from a menu.

Produktspecifikationer

Varumärke: Entes
Kategori: Inte kategoriserad
Modell: MCB-125

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