Festo VPPE-3-1/8-6-010 Bruksanvisning

Festo Inte kategoriserad VPPE-3-1/8-6-010

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Translation of the original instructions
© 2021 all rights reserved to Festo SE & Co. KG
1 Applicable Documents
All available documents for the product www.festo.com/sp.è
2 Safety
2.1 Safety instructions
– Only use the product in original status without unauthorised modifications.
– Only use the product if it is in perfect technical condition.
– Take into consideration the ambient conditions at the location of use.
– Before working on the product, switch off the power supply and secure it
against being switched on again.
2.2 Intended use
The proportional-pressure regulator is intended to regulate a pressure propor-
tional to a specified setpoint value. The product is intended for use in industrial
environments.
2.3 Training of qualified personnel
Installation, commissioning, maintenance and disassembly may only be per-
formed by qualified personnel. The qualified personnel must be familiar with the
installation of electrical and pneumatic control systems.
2.4 Approvals
In combination with the UL inspection mark on the product, the information in this
section must also be observed in order to comply with the certification conditions
of Underwriters Laboratories Inc. (UL) for USA and Canada.
UL certification information
Product category code QUYX, QUYX7
File number E322346
Considered standards UL 610101, CAN/CSAC22.2 No. 61010-1
UL mark
Tab. 1
• The unit shall be supplied by a power source which fulfils the requirements
on a limited-energy circuit in accordance to IEC/EN/UL/CSA 61010-1 or on a
Limited Power Source (LPS) in accordance to IEC/EN/UL/CSA 60950-1 or
IEC/EN/UL/CSA 62368-1 or a Class 2 circuit in accordance to NEC or CEC.
Electrical data and ambient conditions
Supply voltage 24 V DC
Max. power 3.6 W
Rated pressure Max. 0.8 MPa
Max. installation height 2000 m
Tab. 2
3 Further information
– Accessories www.festo.com/catalogue.è
– Spare parts www.festo.com/spareparts.è
4 Service
Contact your regional Festo contact person if you have technical questions
èwww.festo.com.
4.1 Function
4.1.1 Functional principle
The VPPE... is intended for regulating pressure proportionally to a specified set-
point value. The main application lies in the option for replacing pressure regulat-
ors, which were previously set manually, with an electrically remote-controlled
controller, for example to have different machine parameters available quickly
and automatically. A built-in pressure sensor records the pressure at the working
port and compares this value with the setpoint value. If the actual value differs
from the setpoint value, the control valve is actuated until the output pressure
reaches the setpoint value.
Fig. 1 Pneumatic circuit symbol
4.2 Design
4.2.1 Product design
1Supply port (pressure input)
2Electrical connection
3LED operating status indicator
4Earth terminal
5Air supply port (pressure output)
6Through holes for lateral mounting
7Through holes for front mounting
Fig. 2 Design
5 Mounting
1. Place the VPPE-... as close to the consumer as possible. This improves control
precision and reduces response times.
2. Push two screws (M4) into the holes for lateral mounting or the holes for6
front mounting , max. tightening torque: 2Nm ( Fig.2).7è
3. Mount the VPPE-... in the intended position.
6 Installation
6.1 Pneumatic installation
1. Remove the covers from the supply ports.
2. Attach the tubing to the following ports ( Fig.2):è
– Supply port 1
– Air supply port 5
Operating medium
NOTICE!
Too much residual oil content in the compressed air will reduce the service life of
the valve.
• When using organic oils (oils that are based on synthetic esters or native
esters, e.g.rapeseed oil methyl ester), the maximum residual oil content of
0.1mg/m³ ( Compressed air to ISO 8573-1:2010 [–:–:2]).è
8136819
VPPE-3-1/8-6-010
Proportional-pressure regulator
8136819
2020-12d
[8136821]
Operating instructions
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
6.2 Electrical installation
WARNING!
Risk of injury due to electric shock.
• For the electrical power supply, use only PELV circuits in accordance with IEC
60204-1/EN 60204-1 (Protective Extra-Low Voltage, PELV).
• Observe the general requirements of IEC 60204-1/EN60204-1 for PELV cir-
cuits.
• Only use voltage sources that ensure a reliable electric separation from the
mains network in accordance with IEC 60204-1/EN 60204-1.
• Use the following connection accessories ( 3 Further information): è
– plug socket with cable or
– plug socket with cable, pre-assembled.
This ensures that the specified degree of protection IP65 and EMC is achieved.
• If a screened cable is used, earth the screen at the cable end which is more
distant from the VPPE.
NOTICE!
The device can also be earthed directly.
• Use earth terminal .4
• Use the following earthing accessories (included in the scope of delivery):
– Self-tapping screw
– Flat plug
– Contact washer
• Wire the VPPE-... in accordance with the plug pattern.
Pin Colour 1) Allocation
1 brown + 24 VDC
2 white – setpoint value
3 blue GND
4 black + setpoint value (0...10 V)
1) Colour is only valid for Festo accessory cables
Tab. 3 Pin allocation
7 Commissioning
NOTICE!
• Make sure that the VPPE-... is kept clear of high-frequency radiation
(e.g.from radio sets, mobile telephones or other devices that emit interfer-
ence).
Avoid increased tolerances of the output pressure (see specifications for the
EMC 11 Technical data).è
• The VPPE-... interprets setpoint signals that are less than 0.1V as 0V. In this
case, the output pressure is set by activation of the exhaust valve at 0MPa.
– Connect the VPPE-... with a setpoint value signal. The VPPE has a so-called
“differential input”. The setpoint value signal 0…10V is applied to contacts
2 and 4, whereby the lower potential must be connected to contact 2 and the
higher potential to contact 4.
Contact 2 (– setpoint value) can be connected to contact 3 (GND). However,
when using long cables, the setpoint value should be connected without con-
nection to earth (contact 3, GND).
– Energise the VPPE-... with direct current (supply voltage UV = 24 V DC ± 10%).
– Pressurise the VPPE-... to at least 0.1MPa higher input pressure than the
maximum desired output pressure. This sets an output pressure p2 propor-
tionate to it.
The following output pressure range is then allocated to the setpoint signal
range 0…10V:
Setpoint value signal range Output pressure range
0…10V 0…0.6MPa
Tab. 4
8 Operation and use
NOTICE!
• When switching off the VPPE-..., make sure that the setpoint voltage or set-
point current intensity is switched off first, then the supply pressure and
finally the supply voltage.
• Observe the operating noises of the valve.
Noise Meaning
Quiet switching noises Normal control procedure
Loud switching noises Increased wear
Tab. 5
9 Maintenance and care
• Clean the housing of the VPPE-... with a soft cloth only. The permitted clean-
ing medium is a mild detergent solution at max. 50°C.
10 Malfunctions
Malfunction Possible cause Remedy
No supply voltage, LED not on Check connection of the 24 V
DC supply voltage
No setpoint voltage Check the controller and con-
nection
VPPE-... does not react
VPPE-... fault Send the device to the Festo
repair service
Flow rate too low Restriction of the flow cross
section due to connection tech-
nology (swivel fittings)
Use alternative connections
Pressure constant despite
changed
setpoint value specification
Supply cable breakage; the last
output pressure set is main-
tained but not regulated. Slow
pressure change at output pos-
sible
Replace supply cable
Harsh switching noise of the
VPPE-...
Input pressure p1 not present Increase input pressure p1 to at
least 0.1MPa above output
pressure p2. Note max. per-
missible operating pressure
0.8MPA
Tab. 6 Causes and remedies for malfunctions
11 Technical data
p2 [MPa]
qn [l/min]
0,6
0,5
0,4
0,3
0,2
0,1
0
0 200 400 600 800 1000 1200
Fig. 3 VPPE-3-1/8-6-... p1 = 0.8 MPa
Characteristic values
Design Proportional-pressure regulator
Mounting position As desired, preferably vertical (electronics
upward)
Medium Compressed air to ISO 8573-1:2010[7:4:4],
lubricated operation not possible
Pressure ranges
Permissible input pressure [MPa] max. 0.8
Control range [MPa] 0.015…0.6
Input pressure p1 at least 0.1MPa above out-
put pressure p2.
Total leakage when new [l/h] < 5
Ports G1/8
Nominal width
Pressurisation [mm] 5
Exhaust [mm] 2.5
Standard nominal flow rate Fig.3è
Degree of protection IP 65 in combination with connector socket
according to accessories.
Permissible temperature range
Environment [°C] +10…+50
Storage [°C] –10…+60
Medium [°C] +10…+50
Electrical connection Pin contact M12x1, 4-pin
Permissible supply voltage [VDC] 24 ± 10%
Setpoint variable [V] 0…10
Input resistance [kΩ] 10
Power consumption [W] maximum 3.6
EMC
Characteristic values
Immunity to interference in accordance with EN 61000-6-2
Interference emission in accordance with EN 61000-6-4
CE conformity for industrial installations ful-
filled. Supply and signal line max. 10m.
Safety position If a setpoint cable breaks, the output pressure
is set to 0MPa. If the power supply cable is
broken, the output pressure is maintained
unregulated. Leakage will reduce pressure over
time.
Materials
Housing Al
Cover POM
Seals NBR
Lubrication silicone-free
Weight 445g
Tab. 7 Characteristic values
Control characteristics
Linearity 1% full scale (FS)
Hysteresis 2.5% full scale (FS)
Reproducibility 0.5% full scale (FS)
Total accuracy 2.25% full scale (FS)
Temperature coefficient 0.04%/K
Tab. 8 Control characteristics

Produktspecifikationer

Varumärke: Festo
Kategori: Inte kategoriserad
Modell: VPPE-3-1/8-6-010

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