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CU320 fault code 31118 Encoder1:Speed change not plausible(87727)

8/9/2023 2:42 AM	Rate (0)
vorapob Gold Member Joined: 1/17/2013 Last visit: 11/13/2024 Posts: 1106 Rating: (7)	Dear Experts, I use CU320-2 PN with PM240 motor module. I found the fault history of drive fault code 31118 Encoder1:Speed change not plausible(87727). What is the meaning of this code and what is the meaning of (87727) ? Best Regards, Vorapob Attachment 891214_0.jpg (451 Downloads)
	Best Regards, Vorapob
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10/10/2024 6:16 AM	Rate (1)
Joe__ Joined: 8/20/2024 Last visit: 10/11/2024 Posts: 1 Rating: (1)	Experts could you please explain? Encoder1:Speed change not plausible (87727) the value "87727" represents the difference in rpm between two sampling time or what is it? I know Parameter P0492 is used for encoder loss detection. where can I monitor the difference in rpm between in rpm between two sampling time that caused this alarm?
	Last edited by: Joe__ at: 10/10/2024 09:08:43
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