• Communication function of POU performing communication processing
Inter-FCN/FCJ communication, Modbus communication, serial communication,
Ethernet communication, communication using communication POUs, etc.
cannot be done.
● Items that can be debugged using FCN/FCJ Simulator
As described earlier, the I/O function is not supported by the FCN/FCJ Simulator.
Therefore, debugging using FCN/FCJ Simulator is in fact debugging with I/O in
disconnected state.
Moreover, as various communication modules using communication POUs are not
supported, connection test and combination test using these modules cannot be
done, as well.
For these reasons, use the FCN/FCJ Simulator for unit test of a control application
but use a real FCN-500 or FCN-RTU for connection test and combination test.
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