Power Supply 1 (Short Battery Backup) Not Present / Drive Bus Off

Hva betyr PS1 Off ?

The PS1 Voltage Green LED is OFF, indicating either that Power Supply 1 (with short battery backup) is not present or that the drive bus is in a 'BusPowerOff' state. This condition could prevent motor drives from receiving power, resulting in a loss of motion control.

• Power Supply 1 (PS1), potentially for short battery backup, is offline.
• Failure or disconnection of the PS1 unit.
• The drive bus voltage is too low or absent.
• Battery backup for PS1 has failed or is disconnected.

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1. 1

   Check the infeed at connector X1, verifying the presence and stability of the rated voltage of 27.1 V.