Don’t close the control line or communication cable to main circuit or power line. Distance should be more
than 10mmm. It may cause malfunction by noise.
In case of controlling lamp load, heater, solenoid valve, etc. in case of Off -> On, large current (10 times of
normal current) may flows, so consider changing the module to module that has margin at rated current.
Process output may not work properly according to difference of delay of PLC main power and external
power for process (especially DC in case of PLC power On-Off and of start time.
For example, in case of turning on PLC main power after supplying external power for process, DC output
module may malfunction when PLC is on, so configure the circuit to turn on the PLC main power first
Or in case of external power error or PLC error, it may cause the malfunction.
Not to lead above error to entire system, part causing breakdown of machine or accident should be
configured at the external of PLC
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