The PC1001-A3 power supply provides two connectors ('MF' and 'GF') to connect the power supply fault relays.
Mains fault relay connector - 'MF'
Pin | Designator | Connection | Color |
|---|---|---|---|
1 | MF-NO | Connected to C if fault occurs (normally open) | Blue |
2 | MF-C | Common | Red |
3 | MF-NC | Connected to C in regular mode (normally closed) | - |
General fault relay connector - 'GF'
The general fault connector provides the general fault relay (pins 4 to 6).
It provides an external fault input (pins 1 to 3) to connect an external potential-free contact. (Not used in PC1001-A3).
Pin | Designator | Connection | Color |
|---|---|---|---|
1 | Ext - | Contact input connected to DC 0 V | - |
2 | Ext + | Contact input + | - |
3 | - | Do not connect | - |
4 | GF-NO | Connected to C if a general fault occurs (normally open) | Green |
5 | GF-C | Common | Red |
6 | GF-NC | Connected to C in regular mode (normally closed) | - |