Mitsubishi Electric MELSEC iQ-F Series Handbook page 33

Precautions when Using the Routine Timer
When the routine timer (T192 to T199) is used with the FX3G, they will not operate just by switching to the FX5S.
The routine timer must be set by the parameter. For the setting procedure, refer to the following.
■Parameter Setting Procedure of the Routine Timer
Set the use of the routine timer and the leading device number.
[Parameter]  [FX5SCPU]  [CPU Parameter]  "Memory/Device Setting"  "Memory/Device Setting"
Serial Communication Channel Assignment (RS-485, RS-232C)
When the FX3G is replaced with the FX5S, the communication channel assignments that can be used change.
Change the communication channels specified with instructions and parameter settings so that these channels match the
specifications.
■FX3G communication channel assignment
• FX3G-14M and FX3G-24M
A communication function expansion board and a special communication adapter can be used to connect up to one channel
of serial ports.
The configurable combinations are shown below.
[Configuration example 1]
Using a special communication adapter
CH1: Special communication adapter
FX3G-CNV-ADP
CH0: Built-in RS-422 port
[Configuration example 2]
Using a communication function expansion board
CH1: Communication function expansion board
CH0: Built-in RS-422 port
2 Replacement from FX3G to FX5S
2.4 Conversion of the Projects
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