Installation; Precautions For Installation - Mitsubishi Electric A1SD75P1-S3 User Manual

4 INSTALLATION, WIRING AND MAINTENANCE OF THE PRODUCT

4.2 Installation

4.2.1 Precautions for installation

The precautions for installing the AD75 are given below. Refer to this section as well
as section "4.1.3 Handling precautions" when carrying out the work.

(1) Precautions for installation

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.
Never disassemble or modify the module.
Failure to observe this could lead to trouble, malfunctioning, injuries or fires.
Always turn all phases of the power supply OFF externally before installing or removing the
module.
Failure to turn all phases OFF could lead to module trouble or malfunctioning.
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.
Always securely insert the module latches at the bottom of the module into the fixing holes on
the base unit. (Always screw the AnS Series module onto the base unit with the specified
torque.) Improper mounting of the module could lead to malfunctioning, faults or dropping.
(2) Precautions for mounting
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DANGER
!
CAUTION
!
When mounting the AD75 onto the base unit (main base unit, extension base
unit), observe the following points.
(a) Avoid mounting the AD75 onto an extension base unit (A5 B/A1S5 B) that
has no power supply module.
When mounting on this type of unit, take the power capacity and extension
cable voltage drop into consideration.
(b) If the temperature in the panel could exceed 55 ° C, consider forcibly
ventilating in the PLC panel.
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MELSEC-A