Chapter5 Settings And Procedures Before System Operation; Implementation And Installation; Handling Precautions - Mitsubishi Electric Melsec Q Series User Manual

5
SETTINGS AND PROCEDURES BEFORE SYSTEM
OPERATION
CHAPTER5 SETTINGS AND PROCEDURES BEFORE
This chapter explains the procedures for connecting the QJ71PB92V to PROFIBUS-DP,
wiring and other information.

5.1 Implementation and Installation

This section provides the handling precautions, from unpacking to installation of the
QJ71PB92V.
For details on the implementation and installation of the QJ71PB92V, refer to the user's
manual (hardware design, maintenance and inspection) for the CPU module used.

5.1.1 Handling precautions

The following are precautions for handling the QJ71PB92V as a unit.
(1) Do not drop the module case or subject it to heavy impact since it is
(2) Do not remove the printed-circuit board of each module from its case.
(3) Be careful not to let foreign objects such as wire chips enter the module
(4) A protective film is attached to the top of the module to prevent foreign
(5) Tighten the screws within the following torque ranges.
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- 1 5.1 Implementation and Installation
5.1.1 Handling precautions
SYSTEM OPERATION
made of resin.
This may cause a failure in the module.
during wiring. In the event any foreign object enters, remove it
immediately.
matter, such as wire chips, from entering the module during wiring.
Do not remove the film during wiring.
Remove it for heat dissipation before system operation.
Screw Location
Module fixing screw (M3 screw)
PROFIBUS cable connector screw
(#4 - 40UNC screws)
* 1 The module can be easily fixed onto the base unit using the hook at the top of the module.
However, it is recommended to secure the module with the module mounting screw if the module is
subject to significant vibration.
Table5.1 Screw Tightening Torque
*1
Tightening Torque Range
·
0.36 to 0.48 N m
·
0.20 to 0.28 N m