Status Register |
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In the status register internal bit states of the CPU are saved, the RLO and the first check bit belong to it as well. The status register in TrySim is not a precise copy of a S7, because such a copy would have had distinct effect on the simulation speed and would only have been helpful in a few cases of use. The instruction L STW (Load Status Word) can be programmed in TrySim but cannot be executed.
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S7-300 and S7-400 are registered trademarks of the Siemens AG. |