Dears ALL
I am preparing new PLC panel I want from the contractor to make redundant CPU , power supply and I/O modules, the contractor refuse to make redundant only if there is standard say you have to make redundancy, Please any one help me to get that standard talk when have to make redundant system?
Thanks and best regards
I am preparing new PLC panel I want from the contractor to make redundant CPU , power supply and I/O modules, the contractor refuse to make redundant only if there is standard say you have to make redundancy, Please any one help me to get that standard talk when have to make redundant system?
Thanks and best regards