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10.4.1 Connections of the expansion
board
10.4.1.1 Customer-side interfaces
Inputs
ST05:
•
06: High pressure sensor (0...20 mA)
•
08: Digital input for switching between
humidification/cooling (12 VDC)
10.4.1.2 System-side interfaces
ST1.1:
•
4-pin screw / plug connection for the
connection of L1 and N and the inter-
lock (safety) system
ST1.2:
•
Loop-through of ST1.1 for on-passing
to ST1 of the mainboard
ST07:
•
+12 V, GND, CAN-Bus
ST08:
•
Loop-through of ST07
Inputs
ST02-B
•
Pump motor temperatur (230 VAC)
ST06:
•
0-I: Plug monitoring (12 VDC)
•
14: Fault frequency converter (5 VDC)
Outputs
ST02-A:
•
9/N: 3rd load (230 VAC)
ST03:
•
10/N Water intake solenoid valve (230
VAC)
ST04:
•
11/N: 1
st
load (230 VAC), only with
combined system
