ABB SCC-S, Руководство оператора, Страница: 15 / 40

15
Connecting the Signal Lines
Signal line connections
1–3 Status signal of the cooler, flow and condensate monitoring: potential-free
changeover contact, contact load 24 V DC/AC, 1 A
4 Activation of solenoid valve Sample/Test gas
5 Activation of solenoid valve Test gas 1
6 Activation of solenoid valve Test gas 2
7 Internal power supply 0 V
8
Internal power 24 V DC
"Inside SCC-S" means: The connection diagram shows the internal wiring of the
sample gas feed unit.
The integrated power supply can also be used for the supply of external solenoid
valves:
Terminal 7 = 0 V, terminal 8 = +24 V, maximum capacity 30 VA at 24 V DC.
Connect the signal lines (recommendation: 1.5 mm
2
) to the 8-pole socket plug (in
scope of delivery).