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S7-400 RACK number setting

Created by: Hannah at: 7/19/2010 8:39 PM (1 Replies)

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7/19/2010 8:39 PM	Rate (0)
Hannah Posts: 1 Rating: (0)	Hi all, I have a problem with the S7-400 connection as following This module has previously set up as a redudundant module in RACK 1 in a redudant S7-400 system. Now I have only one module mounted on rack 0 to test but the indication still at rack 1 and I can not connect (as to download hardware configuration) and programming I have tried to mounted this module on rack 1 but it doesnt not allow me to down load OB1 and go online with the other FB. FC.OBs etc as i still search for RACK 0 connection Is there anyway i can reset this module to RACK 0 and re download all program to do the testing? Is there any physical setting for this ? It is pretty urgent so I will appreciate all response Regards Attachment photo.jpg (307 Downloads)
Hannah Posts: 1 Rating: (0)
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7/19/2010 10:35 PM	Rate (1)
H-H Platinum Member Joined: 7/2/2008 Last visit: 9/30/2024 Posts: 928 Rating: (309)	Hello Hannah, In S7-400H manual you can read the following: Hannah Central processing units The two CPUs are the heart of the S7-400H. Use the switch on the rear of the CPU to set the rack numbers. Best regards. H-H

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