Wiring Precautions - Mitsubishi Electric A1S68DAV User Manual

[WIRING PRECAUTIONS]

Ground the FG terminal using third class grounding or higher exclusively for the PLC.
If you do not, the PLC will malfunction.
Before connecting wires to the PLC, check the rated voltage and the terminal
arrangement.
Connecting power of a different voltage or wiring incorrectly will result in fire or
failure.
Tighten the terminal screws to the specified torque.
Loose terminal screws will cause a short, fire or malfunctioning.
Take all possible measures to prevent chips or wire scraps from entering the module.
Entry of foreign material will cause fire, failure of malfunctions.
[STARTING AND MAINTENANCE PRECAUTIONS]
Do not touch the terminals while they are live.
This will cause malfunctions.
Be sure to shut off all phases of the external power supply used by the system before
cleaning or retightening the terminal screws.
Not doing so can cause the module to fail or malfunction.
Do not disassemble or tamper will the module.
This will cause failure, malfunctions, injuries or fire.
Be sure to shut off all phases of the external power supply used by the system before
mounting or removing the module.
Not doing so may cause damage to the module.
Do not mount/remove the module onto/from base unit more than 50 times
(IEC61131-2-compliant), after the first use of the product.
Before handling the module, always touch grounded metal, etc. to discharge static
electricity from the human body.
Failure to do so may cause the module to fail or malfunction.
[DISPOSAL PRECAUTIONS]
When disposing of the product, treat it as industrial waste.
CAUTION
WARNING
CAUTION
CAUTION