Mounting And Installation; Handling Instructions; Installation Environment - Mitsubishi Electric A1SJ71DN91 User Manual

5. SETTINGS AND PROCEDURES BEFORE OPERATION

5.2 Mounting and Installation

5.2.1

Handling instructions

5.2.2

Installation environment

This section describes handling instructions of the DN91 unit between unpacking and
installation and the unit installation environment.
For details about the DN91 unit mounting and installation, see the users manual for the PLC
CPU unit being used.
This section describes handling instructions related to the DN91.
(1) The unit casing and terminal block are made of plastic. Do not drop the unit or apply
strong shocks to it.
(2) Do not remove the printed circuit board from the unit casing.
This can cause faults.
(3) During wiring operations, take care that no wiring offcuts or other foreign matter gets
inside the unit.
Clean out any foreign matter that does get inside the unit.
(4) Tighten the unit mounting screws and terminal screws in the torque ranges specified
below.
Type of Screw
A1SJ71DN91 Module mounting screw
DeviceNet Connector screw
DeviceNet Connector wire screw
Do not mount an A Series PC under in the following environments:
(1) Locations where the ambient temperature is outside the range 0 to 55
(2) Locations where the ambient humidity is outside the range 10 to 90 %.
(3) Locations where condensation occurs due to sudden temperature fluctuations.
(4) Locations where corrosive or flammable gases exist.
(5) Locations with a high level of conductive dust or iron filings, oil mist, salt, or organic
solvent.
(6) Locations exposed to direct sunlight.
(7) Locations subject to strong electric or magnetic fields.
(8) Locations where vibrations or shocks are directly transmitted to the unit.
78 to 118 (8 to 12) [6.93 to 10.48]
35.3 to 48.0 (3.6 to 4.9) [3.13 to 4.26]
60.8 to 82.3 (6.2 to 8.3) [5.40 to 7.31]
−
5 3
MELSEC-A
Tightening Torque Range
⋅ ⋅ ⋅ ⋅ ⋅ ⋅
N cm (kg cm) [lb inch]
°
C.