Festo VPPI S1BT Series, Руководство пользователя

Страница: 9 / 34

Festo — VPPI-...-S1BT — 2021-11
Installation
9
7 Installation
7.1 Pneumatic installation
Valves for standard operation (overpressure)
1. Attach the tubing to the connections:
–
Compressed air (1)
–
Working air (2)
2. Fit a silencer at the exhaust air connection (3) or provide for ducted exhaust air.
Valves for vacuum operation or combined vacuum and overpressure operation (VPPI-...-1V...H-...)
1. Attach the tubing to the connections:
–
Vacuum (3)
–
Working air (2)
2. Connect a compressed air supply to port (1) or mount a silencer to protect the valve from coarse
dirt particles.
7.2 Electrical installation
WARNING
Risk of Injury due to Electric Shock.
• For the electric power supply, use only PELV circuits that ensure a reliable electric disconnection
from the mains network.
• Observe IEC 60204-1/EN 60204-1.
• The unit must be powered by a power source that fulfils the requirements of an energy-limited
circuit in accordance with IEC 61010-1/EN 61010-1.
1. If a screened cable is used: earth the shield at the cable end away from the valve.
2. Install electrical connecting cable without squeezing, kinking or stretching.
3. Tighten the electrical connecting cable onto plug M12. Tightening torque: maximum 0.3 Nm
Connection Pin Allocation Wire colour
1)
NEBU-M12...
Analogue Alternative (digital input)
1 + 24 V DC + 24 V DC BN
2 Setpoint value (–) DI1 WH
3 GND GND BU
4 Setpoint value (+)/PWM DI0 BK
5 Actual value output
–
based on pin 2 "set-
point value (-)" for type
VPPI-...-V1-...
–
based on pin 3 "GND" for
VPPI-...-A4-...
DI2 GY
1) Colour code in accordance with IEC 60757:1983-01
Tab. 4: Pin allocation for plug M12, 5-pin, A-coded