hidolfo


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* Profession * automation
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What is the difference between PLC and DDC?

Emami,

Instrumentation 1672

Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

 1 Instrumentation 2081



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