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FX1S Series Programmable Controllers
Installation Notes 3
3-5
3.4
PLC Mounting Arrangements 
To prevent a rise in temperature, mount the units to walls. Never mount them to the floor or
ceiling of an enclosure. 
Caution
Units should mot be installed in areas subject to the following conditions: excessive or 
conductive dust, corrosive or flammable gas, moisture or rain, excessive heat, regular 
impact shocks or excessive vibration. 
Take special care not to allow debris to fall inside the unit during installation e.g. cut 
wires, shavings etc. Once installation is complete remove the protective paper band: to 
prevent overheating.
Figure 3.3:  PLC Mounting Diagram
FX
1S
CPU
A
A
A
A
> 50mm(1.97 inches)
A