29
‡
Connections
+I:
Control signal current
–I:
Control signal current
+U:
Control signal voltage
–U:
Control signal voltage
+24 V: Supply voltage
0 V:
Supply voltage (0 V)
K1.1: Failure signal connector
K1.2: Failure signal connector
Other
PC:
Interface cable to PC (configuration)
IN:
Supply air valve for actuator is opened
(installation)
OUT: Outgoing air valve for actuator is opened
(installation)
LED: Light-emitting diode for adjustment
(installation) and failure signal (failure signal
if misfunction)
Connector board
LED
PC
IN
OUT
Ground connector
Control signal 24 V supply
selectively
