1/4/2022 8:55 PM | |
Posts: 257 Rating: (75)
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Hello SIOS Forum Community Compared to S7-300/400, there are fewer criteria in S7-1200/1500 that lead to the operating state "STOP". Due to the modified consistency check in the TIA Portal, the operating state "STOP" can be excluded in advance in most cases for the S7-1200/1500 controllers. The consistency of program blocks is already checked during compilation in the TIA Portal. This procedure makes the S7-1200/1500 controllers more "fault-tolerant" than their predecessors. Advantages: There are only three error situations that put the S7-1200/1500 controllers into the STOP operating state. This makes error management clearer and easier to program. Properties: (see sceenshot) Error OBs:
In addition, an entry is automatically created in the diagnostic buffer for each error. Remark: For S7-1200/1500 controllers, there are other programmable error OBs (diagnostic error, module failure, etc.). More information about the error reactions of S7-1200/1500 can be found in the online help of the TIA Portal under "Events and OBs". The topic "Standardisation General" with a lot of further information can be found here in the forum. Best regards, SIMATIC International Technical Support Hub |
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