Mitsubishi Electric AJ71C24-S6 User Manual page 71

4.
SElTlNGS AND PROCEDURES BEFORE OPERATION
MELSEC-A
4.4
Loading and Installation
D
4.4.1
Handling Instructions
(1)
Protect the AJ71C24 and its terminal block impact
(2)
Do not touch or remove the printed circuit board from the case
(3)
Do not allow metal particles or wire offcuts to enter the AJ71 C24.
(4)
Tighten the module mounting and terminal screws as specified below.
Screw Tightening Torque kg .cm(lb. inch)
US-422 terminal block installation screws (M4)
E(6.93) to 14(12.13)
(5)
To load the AJ71 C24 onto the base, press the AJ71C24 against the base
so that the latch is securely locked. To unload the AJ71C24, push the
latch and, after the latch is disengaged from the base, pull the AJ71C24
toward you.
Module mounting screws (optional) (M4)
4.4.2
Installation environment
8(6.93) to lZ(10.39)
Never install the system in the following environments:
I
(1)
Locations where ambient temperature is outside the range
0
to 55•‹C (32
to 131•‹F).
(2)
Locations where ambient humidity is outside the range of
10
to
90%RH.
(3)
Locations where dew condensation takes place due to sudden tempera-
ture changes.
(4)
Locations where there are corrosive gasses and combustible gasses.
(5)
Locations where there is a high level of conductive powder, such as dust
and iron filings, oil mist, salt, and organic solvent.
(6) Locations exposed to the direct rays of the sun
(7)
Locations where strong power and magnetic fields are generated
(8)
Locations where vibration and shock are directly transmitted to the main
unit.