Mitsubishi Electric A1SJ71DN91 User Manual page 4

[Cautions on Mounting]
•
Use the PC in an environment that conforms to the general specifications in the manual.
Using the PC in environments outside the ranges stated in the general specifications will cause electric shock, fire,
malfunction, or damage to/deterioration of the product.
•
Make sure that the module fixing projection on the base of the module is properly engaged in the module fixing hole
in the base unit before mounting the module.(A(1S)J71DN91 must be screwed to the base unit with the specified
torque.)
Failure to mount the module properly will result in malfunction or failure, or in the module falling.
•
Do not touch conductive parts or electronic components of the module with your bare hands.
This could cause malfunction or failure of the module.
[Cautions on Wiring]
•
Switch off all phases of the power supply outside the PC before starting installing or wiring work.
If all phases are not switched off, there will be a danger of electric shock or damage to the product.
•
Connect the FG terminal to a dedicated PC ground connection with class 3 grounding or higher.
Failure to do this may result in malfunction.
•
Tighten terminal screws to the prescribed torque.
Loose terminal screws can cause shorting and malfunctions.
•
Make sure that no foreign matter such as chips or wire offcuts gets inside the module.
It will cause fire, failure, or malfunction.
•
The communication cables and power cables connected to the unit must be enclosed in a duct or fixed with clamps.
Failure to do this can result in malfunction due to damage to the unit or cables or defective cable contact caused by
looseness or movement of the cables or accidental pulling on the cables.
•
When disconnecting a communication cable and power cable from the unit, do not pull on the cable itself.
If the cable has a connector, pull on the connector to disconnect it from the unit.
If the cable has no connector, loosen the screw where the cable attaches to the unit before disconnecting the cable.
Pulling on a cable while it is connected to the unit can damage the unit or cable, or cause malfunctions due to
defective cable contact.
Always turn off all external power supply phases before touching any terminals.
Failure to do this may result in malfunction.
CAUTION
DANGER
CAUTION