Units “Stuck” in Party Mode or Checksum Mode
RS-422/485 MDrive products can appear to have a communications failure when it is merely in a mode that prevents it from responding to or echoing back, instructions in Novanta IMS Terminal.
Troubleshooting
Troubleshooting RS-422/485 Communications
Check Hardware and wiring Check power supply and cabling Check cabling and connections from:[ AC Line to DC motor voltage supply. DC supply to Liberty* MDrive. When power is ON, LED 1 on the upper-right of the Liberty* MDrive heat sink should be solid green. Check Communications adapter and cabling – Novanta IMS MD-CC404/5-000 Ensure