3/17/2020 8:08 PM | |
Joined: 3/14/2008 Last visit: 9/23/2024 Posts: 2096 Rating: (938)
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Hi, When a reset CAN be carried out (see RdyToReset) output P_Rst is set high for one cycle if a reset is given. So if you set RstLi, but no reset is expected, P_Rst is not set. |
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3/18/2020 8:57 AM | |
Joined: 3/14/2008 Last visit: 9/23/2024 Posts: 2096 Rating: (938)
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Hi, Well, thanks for your feedback. You're making me blush. There are several cases in which the P_Rst is set, but some are depending on feature bits. For instance, a reset can be carried out in manual mode if this is allowed from the feature bit 31 (Reset in manual=1). This is also the case in automatic mode where Feature bit 31 should be set to "0". Here are a few cases: - If a rapid stop is active and RstLi or RstOp is set (and motor does not receive feedback signals) - (RstOp and Reset request operator) or (RstLi and Reset request automatic) and Reset is enabled - If motor is running (FwdAut or RevAut) and AutAct and Reset is enabled - If LocalAct and LocalSetting = 2 or 4 and Reset is needed - If forcing is active and Reset is needed I think there is one case more, but this is what I found out.. Basically when reset is enabled, one of the following signals is active: Protect active, Monitoring error, Trip active, External fault CSF active (I believe only in Local mode). Sorry, it is a bit hard to write this down. The APL manual is not very clear about this matter,
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Last edited by: Oreca at: 03/18/2020 09:03:54If I could help you, you can use the RATE button. Thank you. |
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3/18/2020 9:24 AM | |
Joined: 6/23/2008 Last visit: 9/18/2024 Posts: 1168 Rating: (282)
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Hello ashadako, because you wrote that output 'P_Rst' is connected to an output driver, it might be that what I wrote in this thread could be relevant for you. Best regards... |
"Expert" does not necessarily mean Siemens employee. Please cross-check your requirements always with official Siemens documentation. Also "Experts" are pleased about feedback. Please don't send support requests as PM. Questioners who don't follow up their thread will be put to my list of users to be ignored. |
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