2/12/2019 10:21 AM | |
Joined: 7/21/2010 Last visit: 2/4/2024 Posts: 54 Rating: (1) |
Dear S3eed If you have configured the H System in a proper manner, the only reason that can makes both CPU Master is sync system between 2 CPU ( FH Module and Fiber Optic Cable ) , Please check : 1. system is configured as H system 2. all connection between CPUs are OK. Regards, |
2/27/2019 3:03 AM | |
Joined: 1/28/2009 Last visit: 9/10/2024 Posts: 6849 Rating: (1365)
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Hello,
There is the checklist to consider while installing S7-400H CPUs,You can find it in section "4.3 Hardware assembly and commissioning of the S7–400H" of this manual: SIMATIC Fault-tolerant systems S7-400H The main points to consider are always:
Chapter 5 of the same manual you will find more about the information you can get from LEDs. I hope it helps, hdhosseini |
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