Translation of the original instructions
1
Further applicable documents
All available documents for the product
è
User documentation
Name, type
Contents
Instructions
Connection set, VABS-P15-S-B6
Assembly
Instructions
Control element, VAOH-P15-H13
Operation
Instructions
Balancer kit, YHBP-B
Assembly and installa-
tion
Instructions
Sensor interface, CASB-MT-D3-R7
Assembly
Tab. 1 Documentation on the product
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.
–
Prior to mounting, installation and maintenance work: Switch off power sup-
ply and secure it from being switched back on.
2.2
Intended use
The purpose of the valve unit is to control a pneumatic cylinder in balancer applic-
ations.
The product is intended for use in industrial environments.
2.3
Training of skilled personnel
Installation, commissioning, maintenance and disassembly should only be con-
ducted by qualified personnel.
The specialized personnel must be familiar with the installation and operation of
electrical and pneumatic control systems.
3
Further information
–
Accessories
è
4
Service
Contact your regional Festo contact person if you have technical questions
è
5
Product overview
5.1
Functional principle
The valve unit consists of a 3/3-way proportional-pressure regulator and
two 2/2-way valves. The purpose of the 3/3-way proportional-pressure regulator
is to regulate the cylinder pressure and the cylinder position. The two 2/2-way
valves serve as non-return valves for shutting off the cylinder volume in the event
of an error (loss of voltage, fall in pressure, too high travel speed, etc.). For
increased safety requirements, the valve unit can be equipped with switching pos-
ition sensing for the non-return valves (VPCB-...-T22-M).
VPCB-...-T22
VPCB-...-T22-M
Tab. 2 Pneumatic circuit symbol
5.2
Product design
1 Connection for switching position
sensing (optional)
2 Connection for controller
3 Earth connection
4 Connection (3) for exhaust air
5 Connection (1) for compressed
air
6 Manual ventilation
7 Installation option for connection
set VABS-P15-S-B6
8 "Status" LED
9 “Power/Error” LED
Fig. 1 Connections
10 Connection for displacement
encoder system/sensor interface
11 Connection for control element
12 Connection (2) for working air
(balancer cylinder)
13 Non-return valve 1
14 Non-return valve 2
Fig. 2 Connections
6
Mechanical installation
1. Make sure there is sufficient space for the connecting cable and tubing con-
nections.
Ä
This will prevent kinks from forming in the connecting cables and the
tubing.
2. Place the valve as close to the consumer as possible.
Ä
This leads to better control response.
3. Attach the valve using the 4 screw holes M5 (10 mm deep) under the valve or
on the valve side with the pneumatic connections (1) and (3). Tightening
torque:
£
5 Nm
7
Installation
7.1
Pneumatic installation
1. Attach the tubing to the following connections:
–
Connection (1) for compressed air
–
Connection (2) for working air (balancer cylinder)
–
Connection for control element
è
1 Further applicable documents
2. Fit a silencer at the exhaust air connection (3) or provide for ducted exhaust
air .
8091491
VPCB-...-T22
Valve unit
8091491
2018-12
[8091493]
Instructions | Operating, Installation
Festo AG & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com