Install System Fault Relay Output; Fig. 32: System Fault Connector; Table 27: System Fault Connector - Siemens Cerberus PACE Compact Installation, Mounting

4.23 Install system fault relay output

A6V11899867_en--_a
The PC1001-A3 and PC1002-A3 Cerberus PACE Compact digital audio matrix
boards both provide a dedicated potential free system fault relay connector. This
connector lies in the inputs/outputs area on the lower left side of the board.
The relay is activated in the regular operating mode. The relay is released in case
of a fault.
The relay contacts can switch a voltage of up to 48 V.

Fig. 32: System fault connector

System fault connector
Pin Description
1 NC
2 C
3 NO

Table 27: System fault connector

Install system fault relay output
Remark
Normally closed
Common
Normally open
Mounting/Installation
Function
Connected to C during a fault
condition
Middle contact
Connected to C in the regular
operation
4
57 | 122