Mitsubishi FX3U-232-BD User Manual page 193

FX Series PLC User's Manual - Data Communication Edition
Parallel Link
7.3 Cautions on Program Creation
1. Program for reading link devices
1) Do not change the contents of link devices for the other station.
2) When a link error occurs, the link device information remains the same as the status just before the error.
Create a fail-safe program which does not cause abnormality even if a link error occurs.
2. Cautions on using FX
1) Only ch1 or ch2 can be set in the parallel link.
2) Do not use the N:N Network and the parallel link at the same time.
(For example, it is not allowed to use ch1 for the N:N Network and simultaneously use ch2 for the parallel
link.)
/FX PLCs
3U 3UC
7 Creating Programs
7.3 Cautions on Program Creation
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