APV_CU4 AS-i_UK-5_072018.indd
UK
Control Unit
CU4 AS-interface
Instruction manual: UK - rev. 5
APV
12
1
2
3
4
5
6
7
8
10
11
12
AS-i-Bus +
AS-i-Bus -
5 VDC
Sensor 1
GND
5 VDC
Sensor 2
GND
Normal
Feedback
Reverse
4. MechanicsandPneumatics
4.4 Functionaldescription-blockdiagrams
4.4.1 CU41AS-interface
Sensor 1
(“Valveclosed”)
Sensor 2
(“Valveopen”)
Solenoid valve
Throttle valves
P / Air supply
A / Exhaust
The picture shows a standard NC (spring to
closed)valve.
IfNO(springtoopen)valveisused,thesensor
wiring can be different.