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Force a warm restart on s7-300

Created by: Cpt_KirK at: 11/26/2009 1:35 PM (3 Replies)

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11/26/2009 1:35 PM	Rate (0)
Cpt_KirK Posts: 33 Rating: (1)	Hi, i want to force a warm restart, result of a emergency stop button press. Is there any system bit to do this ?! thanks in advance
Cpt_KirK Posts: 33 Rating: (1)
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11/26/2009 1:40 PM	Rate (0)
Cpt_KirK Posts: 33 Rating: (1)	Cpt_KirK Hi, i want to force a warm restart, result of a emergency stop button press. Is there any system bit to do this ?! thanks in advance Humm i think that doing this is not possible because after that, the cpu goes to stop mode, right ?\|
Cpt_KirK Posts: 33 Rating: (1)	Last edited by: Cpt_KirK at: 11/26/2009 2:21 PM
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11/30/2009 7:13 AM	Rate (0)
Aret Posts: 2348 Rating: (263)	CPU should be always in RUN mode. In STOP mode programm doesn't execute. However you can perform distant restart if you have communication partner,
Aret Posts: 2348 Rating: (263)
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12/11/2009 1:34 PM	Rate (0)
haris_usama Posts: 81 Rating: (2)	Well, I suppose you can manage it, However.. you would have to play around with the programming.. Step 1. identify if the CPU goes into stop mode after the emergency trip, if yes.. then.. go online and check the diagnostic buffer, if it requests for an OB, add it, so it wont go into the stop mode.. Step 2. What ever bit is used to trigger the safety.. you can call OB100 with it. which will perform the warm restart. This will however only reset the NOn retentive memory, if your flags for emegency trip are retentive, it wont help... I hope this helps
haris_usama Posts: 81 Rating: (2)
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