The picture shows a standard NC
(springtoclosed)valve.
1
Sensor 2
“Valve open”
Sensor 3
“Valve closed”
2
3
4
5
A / Exhaust air
P / Air supply
Solenoid valve
Throttle valves
6
10
11
12
7
8
4. MechanicsandPneumatics
4.4.3. CU41-D4AS-interfaceforD4doubleseatmixproofvalve
Functionaldescription-blockdiagram
M1 - magnet upper shaft
M2 - magnet lower shaft
M1
M2
5 VDC
Sensor 1
GND
5 VDC
Sensor 2
GND
Normal
Reverse
Feedback
AS-i-Bus +
AS-i-Bus -
APV_CU4 AS-i_UK-5_072018.indd
UK
Control Unit
CU4 AS-interface
Instruction manual: UK - rev. 5
APV
14