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HOT SWAPPING WITH ACTIVE BUS MODULE

5/2/2009 10:56 AM	Rate (0)
Saravana kumar Platinum Member Joined: 2/6/2009 Last visit: 1/6/2026 Posts: 940 Rating: (119)	Hello, I want know about hot swapping in details. I am using active bus module, but if i remove one module from the rack, CPU goes toSTOP mode. Is there any setting to be done at the PLC. Please send the HOT swapping manual.
	Last edited by: saravana kumar at: 5/30/2009 6:27 AM _______________________________________________________________ Best Regards T.Saravana Kumar "All for the Best"
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5/2/2009 12:51 PM	Rate (0)
Eastern Posts: 557 Rating: (64)	hi Hot swapping with active bus module is that without stop the plc you can replace the module. have you download OB 85,86,87, If yes then you will be able to replace module online on active bus module.......... find the link http://support.automation.siemens.com/WW/view/en/1096709 regards
Eastern Posts: 557 Rating: (64)	Last edited by: Eastern at: 5/2/2009 1:16 PM
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This contribution was helpful to 1 thankful Users Saravana kumar

5/2/2009 1:56 PM	Rate (1)
H-H Platinum Member Joined: 7/2/2008 Last visit: 12/21/2025 Posts: 929 Rating: (309)	Hello Hot swapping can be achieved only with S7-400 CPUs (and high end S7-300 CPUs). The reason is that at every module insert/remove event, the CPU goes in OB83 which is loaded only on S7-400 CPUs (and high end S7-300 CPUs). So, OB 83 must be downloaded. All other error OBs should be there too. Please look at the attached PDF so you can know how insert/remove function works. Please also look at this FAQ to know which OBs should be there for error handling. Edit, This one should be enough Attachment OB83.pdf (1014 Downloads)
	Last edited by: H-H at: 5/2/2009 2:02 PM
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This contribution was helpful to 1 thankful Users ddg

5/10/2009 9:43 AM	Rate (0)
AhmedFM Posts: 43 Rating: (0)	Hello saravana kumar i think if you use S7 400 you can remove or insert modules while the PLC is operating but you need to insert the CIR modules in your hardware configuration and incert each new modules in it. and this is a simple notes about the it (CiR (Configuration in RUN) represents a method you can use to modify a system that is operated with a standard S7-400 CPU or an S7-400-H-CPU in single operation. Modifications are made while your system is in operation, that is, except for a small interval of at most 2.5 seconds, your CPU will remain in RUN mode). but if you use S7 300 you need to download OB83. best regardes
AhmedFM Posts: 43 Rating: (0)
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6/16/2009 12:11 PM	Rate (0)
Morten Bronze Member Joined: 9/27/2005 Last visit: 12/16/2025 Posts: 203 Rating: (32)	Hello, please download OB 82, 85, 86, 121,122 Programming these OBs is not necessary. Greetings Morten

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