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d Mains supply
e MAX limit contact (MAX alarm)
f Activation control of valve actuator
Fill control:
= Valve CLOSED 23
= Valve OPEN 25
Discharge control:
= Valve OPEN 23
= Valve CLOSED 25
e MIN limit contact (MIN alarm)
h Actual value output 420 mA (optional)
i Controller output, analogue, manipulated variable Y, 420 mA
j Input for feedback potentiometer 1000 Ω
k Terminating resistor 120 Ω, RES 1 or RES 2
l CAN bus line, twisted pair control cable
m Valve actuator
n Feedback potentiometer 1000 Ω for actuator
Key
Electrical Connection – continued –
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