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You tell "Use the F's"! English is not my mother tongue, and I don't understand this, could you explain ?

We use MODICON QUANTUM PLC with Remote IO for extended back planes (using CRA + CRP cards and coaxial cable). We often have breakdown of the PLC because of communication failure between the CPU and the extended racks. Since we discover this, we try to find the reason, then we frequently read the...

We have lot of problems with MODICON RIO : - does somebody have the same problems ? - does somebody have solutions ? Schneider don't arrive to solve it.

Unity is not full compatible with ConCept, there are some behaviour differences for : - DFB input pin if pin is not connect, where it is a DEFAULT VALUE for ConCept and an INITIAL VALUE for UNITY - you are obliged to connect a DFB pin if datatype is structured Worst : the same source code need...