Design instructions, Caution, Mounting instructions – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual
Page 4: Wiring instructions, Danger, Startup/maintenance instructions
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[Design Instructions]
!
CAUTION
Do not bundle or adjacently lay the control wire or communication cable with the main circuit or
power wire.
Separate these by 100mm (3.94in.) or more.
Failure to observe this could lead to malfunctioning caused by noise.
[Mounting Instructions]
!
CAUTION
Use the PLC within the general specifications environment given in this manual.
Using the PLC outside the general specification range environment could lead to electric
shocks, fires, malfunctioning, product damage or deterioration.
While pressing the installation lever located at the bottom of module, insert the module fixing
tab into the fixing hole in the base unit until it stops. Then, securely mount the module with the
fixing hole as a supporting point.
Incorrect loading of the module can cause a malfunction, failure or drop.
When using the PLC in the environment of much vibration, tighten the module with a screw.
Tighten the screw in the specified torque range.
Undertightening can cause a drop, short circuit or malfunction.
Overtightening can cause a drop, short circuit or malfunction due to damage to the screw or
module.
Completely turn off the externally supplied power used in the system before mounting or
removing the module.
Not doing so may damage the product.
[Wiring Instructions]
!
DANGER
Always confirm the terminal layout before connecting the wires to the module.
[Startup/Maintenance Instructions]
!
DANGER
Completely turn off the externally supplied power used in the system before cleaning or
tightening the screws.
Failure to turn all phases OFF could lead to electric shocks.