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Unity Pro V12 (and upper) : How to implement PLCSTAT DFB on M580

When using PLCSTAT DFB M580, implementation available on “\Extras\ Converter Quantum M580” folder of Unity Pro install path, the following rule must be observed:

- If PLCSTAT DFB is used with a none Hot-Standby M580 PLC, the HSBY_DDDT pin must be mapped to a dummy DDDT instance of T_M_ECPU_HSBY type.
- If PLCSTAT DFB is used with a Hot-Standby M580 PLC, the HSBY_DDDT pin must be mapped to the DDDT instance of T_M_ECPU_HSBY associated to the PLC (generally ECPU_HSBY_1).
 
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