Mitsubishi Electric MELSEC-L SSCNETIII/H, User Manual

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35
CHAPTER 6 INSTALLATION AND WIRING
6
6.
1
W
iring E
n
vironm
ent
and I
n
st
all
a
tion P
o
sit
ion
6.
1.
1 I
n
st
all
a
tion e
n
vironme
n
t
CHAPTER 6
INSTALLATION AND WIRING
This chapter describes the installation and wiring of modules.
6.1
Wiring Environment and Installation Position
When installing the module in a control panel, fully consider its operability, maintainability, and environmental
resistance.
6.1.1
Installation environment
Install the programmable controller according to the installation environment shown in the general specifications. (

Page 24, Section 3.1)
Do not install the programmable controller to the place where:
• Ambient temperature is outside the range of 0 to 55

;
• Ambient humidity is outside the range of 5 to 95%RH;
• Condensation occurs due to rapid temperature change;
• Corrosive gas or combustible gas is present;
• Conductive powder such as dust and iron powder, oil mist, salinity, or organic solvent is filled;
• The programmable controller is exposed to direct sunlight;
• A strong electric field or strong magnetic field is generated; and
• The programmable controller is subject to vibration and shock.
6.1.2
Installation position
To ensure good ventilation and ease module change, provide clearance between the module top/bottom and
structures/parts as shown below.
*1 When using connectors for external devices, provide clearance of 80mm or more.
50mm or more 50mm or more
30mm or
more
30mm or
more
Control
panel
Programmable
controller
Door
20mm or more *1