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5.1 Implementation and Installation
5.1.1 Handling precautions
5
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