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Hardware Configuration Modification, quick answer pls

Created by: YesSayer at: 4/8/2014 7:13 PM (6 Replies)

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4/8/2014 7:13 PM	Rate (0)
YesSayer Posts: 25 Rating: (0)	hi guys, we have an s7-400 plc system i was just wondering if do i need to modify and download a new HWconfig if i just remove a certain interface module with its slave I/O modules, which are actually at the last segment of the profibus network..
YesSayer Posts: 25 Rating: (0)	Last edited by: YesSayer at: 4/8/2014 7:17 PM
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4/8/2014 8:27 PM	Rate (1)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (707)	Hello, Either that or disable the module in your software (before removing it from the bus. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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This contribution was helpful to 1 thankful Users YesSayer

4/9/2014 9:46 AM	Rate (0)
YesSayer Posts: 25 Rating: (0)	hmm.. i didn't know that. Is it possible to only disable the module and there would be no faults and the rest of the remaining modules would be working just fine? i mean how would i do that? can u pls give me a link for such instruction. thanks
YesSayer Posts: 25 Rating: (0)	Last edited by: YesSayer at: 4/9/2014 9:59 AM
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4/9/2014 9:58 AM	Rate (0)
YesSayer Posts: 25 Rating: (0)	Marcjan Hello, Either that or disable the module in your software (before removing it from the bus. Regards, Marcjan hmm.. i didn't know that. Is it possible to only disable the module and there would be no faults and the rest of the remaining modules would be working just fine? i mean how would i do that? can u pls give me a link for such instruction. thanks
YesSayer Posts: 25 Rating: (0)
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4/9/2014 12:18 PM	Rate (1)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (707)	Hello, Have a look at attached document. Note: you should also load the corresponding fault OB's. Regards, Marcjan Attachment Printing _Deactivating and Activating DP Slaves_PROFINET IO Devices with SFC 12 _D_ACT_DP_.pdf (73 Downloads)
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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4/9/2014 5:30 PM	Rate (0)
YesSayer Posts: 25 Rating: (0)	Marcjan Hello, Have a look at attached document. Note: you should also load the corresponding fault OB's. Regards, Marcjan Thanks for the document. i have read it and i have some silly clarifications. >it says startup OB's do not support the call of sfc 12; & >we can't call sfc 12 inside a programmed loop this may sound silly, but does it mean i can call sfc 12 inside OB 1?
YesSayer Posts: 25 Rating: (0)
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4/9/2014 5:51 PM	Rate (0)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (707)	Hello, It's better to use this SFC in a FC or FB You should use OB1 only for Block calls, it's not called Organisation Block without reason. regards, Marcjan
	Last edited by: Marcjan at: 4/9/2014 5:53 PM Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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