The 24 V is required on the digital audio matrix board with DC 24 V power. It is connected to the power supply via the 'PS-24V' connector. An earth connection to the cabinet is required for a proper work of the digital audio matrix board. The power supply reports a general fault status and an AC fault via the 'PS-Fault' connector. These connectors are located in the inputs/outputs area on the lower left corner of the board. All connections are pre-assembled.
Power supply connector - 'PS-24V'
DC 24 V +
DC 24 V -
Power supply connector - 'PS-Fault'
Power supply fault
AC 230 V fault
10 V reference voltage to the power supply
The power supply fault contact is usually closed and will open in case of a fault.
Connect to the cabinet earth