Mitsubishi Electronics A1SJ71AR23Q User Manual

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5.1 Implementation and Installation
5.1.1 Handling precautions

PREPARATORY PROCEDURES BEFORE

OPERATION

CHAPTER5 PREPARATORY PROCEDURES BEFORE

OPERATION

This chapter describes the procedures up to connect a local module to the network and
wiring procedures.

5.1

Implementation and Installation

This section describes handling precautions, from unpacking to installation of the local
module.
For details of the implementation and installation of the local module, refer to the following:

• For Q series

QCPU User's Manual (Hardware Design, Maintenance and Inspection)

• For L series

MELSEC-L LA1S Extension Base Unit User's Manual

5.1.1

Handling precautions

The following describes precautions for handling the single local module.

(1) Do not drop or give strong impact on the module, since its case is made

of resin.

(2) Do not remove a printed-circuit board of the module from a case.

Doing so may cause failure.

(3) Be careful to prevent foreign matter such as wire chips from entering the

module top at the time of wiring.

(4) Tighten a module mounting screw or a terminal screw within the

following range.

Table 5.1 Screw tightening torque

Screw

Tightening torque range

Terminal screw for cable terminal block (M3.5 screw)

59 to 88N cm

Mounting screw for cable terminal block (M3.5 screw)

59 to 88N cm

Module mounting screw (M4 screw)

78 to 118N cm