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MELSEC-Q
5 SETUP AND PROCEDURES BEFORE OPERATION
CHAPTER 5 SETUP AND PROCEDURES BEFORE OPERATION
This chapter describes the procedure up to the operation of the QD70 and the part
identification nomenclature and setting and wiring methods of the QD70.
5.1 Handling precautions
This section provides the precautions for handling the QD70.
!
DANGER
Always turn all phases of the power supply OFF externally before cleaning or tightening the
screws.
Failure to turn all phases OFF could lead to electric shocks.
!
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.
Do not directly touch the conductive section and electronic parts of the module.
Failure to observe this could lead to module malfunctioning or trouble.
Make sure that foreign matter, such as cutting chips or wire scraps, do not enter the module.
Failure to observe this could lead to fires, trouble or malfunctioning.
Never disassemble or modify the module.
Failure to observe this could lead to trouble, malfunctioning, injuries or fires.
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