Difference level RS485 driver 1. Fault Faulty "B" or "Cycle" signal

What does F109-50 mean?

A fault is detected in the RS485 driver 1, specifically with the 'B' or 'Cycle' signal. This is usually caused by no encoder connection or an incorrect encoder type being connected.

• RS485 communication line 'B' or 'Cycle' signal is missing or corrupted.
• Faulty transceiver on the RS485 interface.
• Cable defect or poor termination on RS485 bus.
• Interference affecting the RS485 signal integrity.

Click steps to track your progress.

1. 1

   Check encoder connection.

2. 2

   Check encoder cabling.