Festo VPPM-8 Manual de Usario

Festo No categorizado VPPM-8

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VPPM
Proportional-pressure regulator
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Deutschland
+49 711 347-0
www.festo.com
Operating instructions
8110177
2021-11g
[8110179]
Translation of the original instructions
© 2021 all rights reserved to Festo SE & Co. KG
1 Applicable Documents
All available documents for the product
è www.festo.com/sp.
2 Safety
2.1 Safety instructions
–Only use the product in its original condition without unauthorised modifica-
tions.
–Only use the product if it is in perfect technical condition.
–Take into account 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.
–Store the product in a cool, dry environment protected from UV and corrosion.
Keep storage times short.
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
Work on the product may only be carried out by qualified personnel who can
evaluate the work and detect dangers. The qualified personnel have skills and
experience in dealing with electropneumatic (open-loop) control technology.
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. 610101
UL mark
Tab. 1: UL certification information
–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 VPPM-6, VPPM-8 7 W
Max. power VPPM-12 12 W
Rated pressure up to 1.1 MPa
Max. installation height 2000 m
Tab. 2: Electrical data and ambient conditions
3 Additional information
–Contact the regional Festo contact if you have technical problems
è www.festo.com.
–Accessories and spare parts è www.festo.com/catalogue.
4 Product overview
4.1 Function
The proportional-pressure regulator controls the pressure proportionally to a
specified setpoint value. A built-in pressure sensor records the pressure at the
working port and compares this value with the setpoint value. If there are devia-
tions between the setpoint value and actual values, the proportional-pressure
regulator is actuated until the output pressure has reached the setpoint.
Fig. 1: Pneumatic circuit symbol
4.2 Structure
4.2.1 Product design
1
2 3
5 4
1
Fig. 2: Connections and mounting holes (in-line valve)
1
Through-holes for fastening
2
Electrical connecting plug
3
Working air port (2)
4
Compressed air port (1)
5
Exhaust air port (3)
2
1
3
Fig. 3: Pneumatic ports (sub base
valve)
1
Exhaust air port (3)
2
Working air port (2)
3
Compressed air port (1)
4.2.2 Display and control elements
5
4
3
2
1
8
6
7
Fig. 4: Display and control elements
1
[Edit] key
2
[UP] key
3
Yellow LED: precise control response
4
Yellow LED: universal control response
(factory setting)
5
Yellow LED: fast control response
6
Red LED [error]
7
Green LED [power]
8
[DOWN] key
5 Transport
Store and transport the product in its original packaging. Observe the weight, the
dimensions and the ambient conditions.
6 Assembly
6.1 Mounting clearances
During assembly make sure that there is sufficient space for the cable connection
and the tubing connections. Place the device as close to the consumer as pos-
sible. This leads to better control accuracy and shorter response times.
6.2 Wall mounting (in-line valve)
VPPM-6L-... and VPPM-8L-...
• Fasten the VPPM-... [2] with 2 M4 screws. If necessary, use the bracket VAME-
P1-A [1].
–Tightening torque: 1.5 Nm
Only apply a static load to the VPPM-... when mounting the VPPM-... with the
assistance of the bracket.
2
1
VPPM-12L-...
• Fasten the VPPM-… with 2 M5 screws.
–Tightening torque: 2.0 Nm
6.3 H.rail mounting (in-line valve)
VPPM-6L-... and VPPM-8L-...
1. Attach the H-rail adapter VAME-P1-T [2] to the VPPM-... with 2 screws [1].
–Screws: M4 x 65 for VPPM-6L-..., M4 x 77 for VPPM-8L-...
–Tightening torque: 1.5 Nm
2
1
2. Attach the VPPM -... to the H-rail.
2
1
3. Fasten the VPPM-... with the retaining screw [2] of the H-rail adapter.
–Tightening torque: 1.5 Nm
6.4 Manifold block assembly (sub base valve)
VPPM-6F-... and VPPM-8F-...
• Fasten the VPPM-... [2] to the manifold block [1] with 2 screws.
–Screws: M4 x 65 for VPPM-6F-..., M4 x 77 for VPPM-8F-...
–Tightening torque: 1.5 Nm
2
1
7 Installation
7.1 Pneumatic installation (in-line valve)
1. Remove the covers from the supply ports.
2. Connect the compressed air port (1) and the working air port (2) with tubing
è Fig. 2.
3. Fit a silencer at the exhaust air port (3) or install an exhaust air duct è Fig. 2.
Operating medium
NOTICE
Too much residual oil content in the compressed air will reduce the service life of
the valve.
• When using bio-oils (oils that are based on synthetic ester or native ester,
e.g. rapeseed oil methyl ester), the maximum residual oil content of 0.1 mg/m³
must not be exceeded (ISO 8573-1:2010 [–:–:2]).
7.2 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/EN 60204-1 for PELV circuits.
• Only use voltage sources that ensure a reliable electric separation from the
mains network in accordance with IEC 60204-1/EN 60204-1.
NOTICE
Malfunction due to impaired immunity to interference
Long signal lines reduce the immunity to interference.
• Use the shortest possible signal lines.
NOTICE
• The connector must not be twisted out of the intended position.
• The tightening torque of the M12 plug socket with cable must not exceed
0.5 Nm.
NOTICE
If the Y-connecting cable type NEBV-M12G8-KD-..-M12G5 is connected to CPX I/O
modules, galvanic isolation of the I/O modules will not be guaranteed.
1. Use the rating plate to check which valve variant is involved.
Valve variant VPPM-...-V1... VPPM-...-A4...
Voltage variant 0 … 10 V DC
Current variant 4 … 20 mA
2. Lay the electrical connection cable without crushing, kinking or stretching it.
3. If a shielded electrical connection cable is used, earth the shield at the end of
the cable remote from the valve.
4. Wire the VPPM-... according to the corresponding plug pattern.
VPPM-...-V1... VPPM-...-A4...
3.
1.
1.
Pin allocation
The pins on the electrical connection are assigned as follows:
Fig. 5: Pin allocation
PIN Wire colour1) Port identifications
VPPM-...-V1... VPPM-...-A4...
1 white (WH) Digital input D1
2 brown (BN) +24 V DC supply voltage
3 green (GN) Analogue input W- (- setpoint value)
4 yellow (YE) Analogue input W+
(+ setpoint value)
0 … 10 V
Analogue input W+
(+ setpoint value)
4 … 20 mA
5 grey (GY) Digital input D2
6 pink (PK) Analogue output X (actual value)
7 blue (BU) GND supply earth
8 red (RD) Digital output D32)
1) With usage of the plug socket with cable as specified in accessories.
2) The hysteresis of the digital comparator output D3 is 0.5% FS.
Tab. 3: Pin allocation
Digital comparator output D3
The “Pressure reached” function permits monitoring of the pressure control func-
tion. The setpoint value is compared with the actual value.
The digital switching output D3 becomes active as soon as the divergence is
£ 0.5% FS and becomes inactive when the divergence 1% FS is exceeded.>
Graph for VPPM-...-...P switching variant
1 2 3 4
Fig. 6: Switching variant VPPM-...-...P
1
Setpoint value
2
Actual value
3
Upper tolerance limit
4
Lower tolerance limit
Graph for VPPM-...-...N switching variant
1 2 3 4
Fig. 7: Switching variant VPPM-...-...N
1
Setpoint value
2
Actual value
3
Upper tolerance limit
4
Lower tolerance limit
Circuit diagram VPPM-...-...P Circuit diagram VPPM-...-...N
Tab. 4: VPPM-... circuit diagrams Switching output
8 Commissioning
• Keep high-frequency radiation away from the VPPM-... in order to avoid
increased tolerances of the outlet pressure.
• The VPPM-... interprets setpoint signals that are less than 1% Full Scale (FS) as
0 V or 4 mA. In this case the working pressure is set to ambient pressure.
• At typical input values below 3.6 mA , the valve detects a cable break and the
last pressure set remains unregulated. Leakage results in a change of pressure
over the long term.
1. Connect the VPPM-... with a setpoint value signal. The VPPM-... has a differen-
tial input. Apply the setpoint signal 0 … 10 V or 4 … 20 mA to contacts 3 and 4.
Apply the lower potential to contact 3 and the higher potential to contact 4.
Contact 3 (– setpoint value) can be connected to contact 7 (GND).
2. Power the VPPM-... with direct current.
–Supply voltage UV = 24 V DC ±10%
Select a parameter set for the regulator.
–Press and hold the [Edit] key for 3 seconds.
–Select a parameter set with the [UP] and [DOWN] keys. The LED of the
selected parameter set lights up.
–Press the [Edit] key to confirm the selection.
The control response of the VPPM-... can also be set by remote control via
digital inputs D1 and D2.
Parameter set Control response Input D1 (PIN
1)
Input D2 (PIN
5)
1 Fast control response 1 (24 V DC) 0 (0 V DC)
2 Factory setting: universal control
response
0 1
3 Precise control response 1 1
Tab. 5: Parameter sets
The following 3 tables show the recommended parameter sets for the different
pneumatic ports:
Parameter sets recommended for VPPM-6...
Tube length1) Open system Output volume in ml
0 … 100 100 … 1000 1000>
0 m 3 3 2 1
1 m 3 3 2 2
3 m 3 3 3 2
³ 5 m 3 3 3 2
1) with inner tubing diameter 6 mm or 8 mm
Tab. 6: Parameter sets recommended for VPPM-6...
Parameter sets recommended for VPPM-8...
Tube length1) Open system Output volume in ml
0 … 500 500 … 2000 2000>
0 m 3 1 2 3
1 m 3 1 2 3
3 m 3 2 3 3
³ 5 m 3 3 3 3
1) with tubing diameter 8 mm or 10 mm
Tab. 7: Parameter sets recommended for VPPM-8...
Parameter sets recommended for VPPM-12L-...
Tube length1) Open system Output volume in ml
0 … 2000 2000 … 10000 10000>
0 m 3 1 2 3
1 m 3 1 2 3
3 m 3 2 3 3
³ 5 m 3 3 3 3
1) with tubing diameter 12 mm or 16 mm
Tab. 8: Parameter sets recommended for VPPM-12L-...
9 Maintenance
9.1 Disassembly
NOTICE
• When switching off the VPPM.-..., first make sure that the setpoint value is set
to 0, then that the supply pressure and finally the supply voltage are switched
off.
Switch off the following energy sources:
–Operating voltage
–Compressed air
2. Disconnect the connections from the device.
3. Remove the device from the mounting surface or H-rail.
9.2 Cleaning
Switch off the following energy sources to clean the outside:
–Operating voltage
–Compressed air
2. Clean the device on the outside with a soft cloth as required.

Especificaciones del producto

Marca: Festo
Categoría: No categorizado
Modelo: VPPM-8

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