Checking the Secure Power Supply Operation

Requirements:

  • SMA Backup Start must be mounted.

  • The socket and switch for the secure power supply operation must be connected.

  • The inverter must be commissioned.

  • Emergency power mode must be configured under Configuration of the backup type.

  • If PV module switches are installed in the system that support the SunSpec communication signal for rapid shutdown systems, the rapid shutdown initiator must be configured as a digital input.

  • A load must be connected to the socket for the secure power supply operation.

Procedure:

  1. Switch off the AC miniature circuit breaker.
    2. 13539707148
  2. Turn on the switch for secure power supply operation.
    3. 13539707532
  3. Check whether the load connected to the socket for secure power supply operation is turning on. This can take up to 30 seconds.
  4. If the load does not turn on, make sure that the socket and the switch for the secure power supply operation are correctly connected and that SMA Backup Start is properly installed. If the load still fails to turn on, contact Service.
  5. Switch off the switch for secure power supply operation.
  6. Switch on AC miniature circuit breaker.

    Also see:

    Settings for Grid Support Functions in 208 V Grids
    Operation