3/19/2019 7:22 AM | |
Joined: 12/9/2010 Last visit: 10/8/2022 Posts: 623 Rating: (77) |
Hi NaAhoora, Your observation is correct. The time taken for STOP to run is directly proportional to size of PLC program, IO count, com. jobs etc. This should not be considered for redundant controllers as they are meant for switching over with zero time if & only if standby is ready. The time taken by standby CPU to get ready is immaterial. |
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