Mitsubishi FX2N-10GM - Page 54

FX Series Positioning Controllers Wiring 3
3-2
• Make sure to shut down the power supplies of all phases on the outside before starting
installation or wiring.
If the power supplies are not shut down, you may get electrical shock or the unit may be
damaged.
• Connect the power cable of the FX
2N
-10GM/20GM to a dedicated connector as
described in this manual.
If the AC power supply is connected to a DC I/O terminal or DC power terminal, the PLC
may be burnt.
• Never connect a cable of an external unit to a spare terminal in the FX
2N
-10GM/
20GM.
Such wiring may damage the unit.
• Perform Class 3 grounding with an electric wire of 2 mm
2
or more to the ground terminal
in the positioning unit. However, never perform common grounding with a strong power
system.
• Never touch any terminals while the power is supplied.
If you touch a terminal while the power is supplied, you may get electrical shock or the
unit may malfunction.
• Turn off the power at first, then start cleaning or tighten terminals.
If you perform cleaning or tightening while the power is supplied, you may get electrical
shock.
• Correctly connect a battery for memory backup in the FX2N-20GM. Never charge, dis-
assemble, heat, throw into flame or short-circuit the battery. Such an action may cause
bursting or fire.