Mitsubishi 13J851, Руководство пользователя

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4. LOADING AND INSTALLATION
4.1 Installing modules
4.1.1 Precautions for handling of modules
This section describes the precautions that must be taken when handling the CPU
module, I/O modules, special function modules, power supply module, base units,
etc.
(1) Module enclosure, memory cassette, terminal block connectors and pin
connectors are made of resin; do not drop them or subject them to strong
impact.
(2) Do not remove modules' printed circuit boards from the plastic casing.
(3) During wiring, take care to ensure that wiring off cuts, etc. do not get inside
the case.
If anything does get inside the case, remove it.
(4) Tighten the module mounting (unnecessary in normal operating condition)
and terminal block screws as indicated below.
Screw Tightening Torque
Module mounting screws (M4 screw)
(optional)
78 to 118 N cm
Terminal block screws 98 to 137 N cm
(5) To install a module, push it firmly into the base unit so that the latch
engages properly. To remove a module, press the latch to disengage it
from the base unit, then pull the module out (for details, refer to the
relevant PLC CPU User's Manual).
4.1.2 Installation environment
The CPU system should not be installed under the following environmental
conditions:
(1) Places where ambient temperature is outside of 0 to 55
°
C range.
(2) Places where ambient humidity is outside of 10 to 90%RH range.