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FX1N Series Programmable Controllers Installation Notes 3.
3-8
Caution
• Units should not be installed in areas subject to the following conditions: excessive or
conductive dust, corrosive gas (salt air, Cl
2
, H
2
S, SO
2
, NO
2
, etc.) 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.
• Always ensure that mounted units and blocks are kept as far away as possible from
high-voltage cables, high-voltage equipment and power equipment.
• Do not lay signal cables near high voltage power cabling or cabinet housing along the
same trunking duct. Effects of noise or surge induction may occur. Keep signal cables of
more than 100 mm (3.94") away from these power cables.
• Install necessary power supply cut off precautions to the enclosure of the final system.
Attach a warning label (hazard symbol 417-IEC-5036) concerning electric shock to the
enclosure.
• Use the FX
1N
series PLC with consideration for electrical noise in an environment that
does not exceed conditions provided by EN50081-2, EN61000-6-2 and EN61131-2.
• Cut off all phases from the power source before installation or performing wiring work to
avoid electric shock. Incorrect operation can lead to serious damage to the product.
• Cut off all phases from the power source before installing/removing extension or
communication cables to modules to avoid electric shock, incorrect operation or serious
damage to the product.