Communication timeout (RS-485)

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A communication timeout occurred during cyclical communication via the RS-485 interface. Upon this error, the drive will decelerate and stop along its set ramp. Communication must be re-established to re-enable the drive.

• Interrupted or faulty communication link between the RS-485 master and MOVIMOT® inverter
• Exceeded the maximum number of slaves (8 MOVIMOT® inverters) connected to the RS-485 master for cyclical communication when the timeout interval is set to 1 second

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1. 1

   Check and establish the communication link between the RS-485 master and MOVIMOT® inverter

2. 2

   Verify the number of slaves connected to the RS-485 master, ensuring it does not exceed 8 MOVIMOT® inverters for cyclical communication with a 1-second timeout interval

3. 3

   Reset the error by switching off the DC 24 V supply voltage

4. 4

   Reset the error via the control system or dedicated reset function