Recent content by truongtung90

  1. truongtung90

    ABB AC800M (PM861) error redundancy

    I am a maintenance engineer in a sugar factory, I have no experience with ABB equipment. The factory uses ABB's DCS system 800XA V5.1 and Control Bulder AC800M software. I have two redundancy PM861 controllers together, the Upper controller has an additional CI853 module. The peculiarity of my...
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