Hardware manual PCD1.M2220-C15 │ Document 27-640 – Version ENG03 │ 2020-03-25
Saia-Burgess Controls AG
On-board | Digital output
Inputs/outputs (I/O)
6-10
6
Connection assignment for watchdog function
0V
+
0
1
PCD1.M2220-C15
+24V
CO
DI3
0
1
2
3
4
5
X18
D
NC
NO
Main switch
Process
e.g. Output modules
Danger:
observe the contact load
of the WD-relay!
(Possibly via power
contactor)
WD Relay
Watchdog-Relais
Power "dangerous" outputs
Configuration and description, see “3.9.1 … as a watchdog function”
Connection assignment for relay output
CO
DI3
0
1
2
3
4
5
X18
D
NC
NO
WD
Configuration and description, see “3.9.2 … as a relay output”