12/8/2019 10:25 PM | |
Posts: 1 Rating: (0) |
Hi All, I faced a problem related to MC alarm 421 with using PLC S7-1500. Can anyone give me a help on this? ------------------------------------------------------------------------------------------ AttachmentDiagnosticsMC421.txt (614 Downloads) |
Last edited by: The Helping Hand at: 12/09/2019 08:58:27New subject after splitting |
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1/14/2020 8:39 AM | |
Joined: 4/28/2015 Last visit: 9/20/2024 Posts: 397 Rating: (56)
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Hello, you get this alarm 421 on 20 axes of your project. Did you check the communication cycle with your drives. Is it not too fast? Which motion control function "MC_???" do you use when you get this alarm? Which ErrorID does the motion control function show? For detailed information about the technology alarms, like 421, have a look to the following manual:
Alarm 421: "Faulty encoder at the logical address." (page 529) Alarm message from drive. Drive has shut down. Drive enable not possible.
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