E-14
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
4 Wiring
3.2 Applicable FX PLC and Communication Equipment
4. Wiring
This chapter explains the wiring.
WIRING PRECAUTIONS
• Make sure to cut off all phases of the power supply externally before attempting installation or wiring work.
Failure to do so may cause electric shock or damage to the product.
• Make sure to attach the terminal cover, offered as an accessory, before turning on the power or initiating
operation after installation or wiring work.
Failure to do so may cause electric shock.
WIRING PRECAUTIONS
• Make sure to observe the following precautions in order to prevent any damage to the machinery or accidents
due to abnormal data written to the PLC under the influence of noise:
1) Do not bundle the main circuit line together with or lay it close to the main circuit, high-voltage line or load line.
Otherwise, noise disturbance and/or surge induction are likely to take place. As a guideline, lay the control line
at least 100mm (3.94") or more away from the main circuit or high-voltage line.
2) Ground the shield wire or shield of the shielded cable at one point on the PLC. However, do not use grounding
with heavy electrical systems.
• Make sure to properly wire the FX
0N/FX2N Series extension equipment in accordance with the following
precautions.
Failure to do so may cause electric shock, a short-circuit, wire breakage, or damage to the product.
- The disposal size of the cable end should follow the dimensions described in this manual.
- Tightening torque should follow the specifications in this manual.
• Make sure to properly wire to the European terminal board in accordance with the following precautions.
Failure to do so may cause electric shock, a short-circuit, wire breakage, or damage to the product.
- The disposal size of the cable end should follow the dimensions described in this manual.
- Tightening torque should be follow the specifications in this manual.
- Twist the end of strand wire and make sure that there are no loose wires.
- Do not solder-plate the electric wire ends.
- Do not connect more than the specified number of wires or electric wires of unspecified size.
- Affix the electric wires so that neither the terminal block nor the connected parts are directly stressed.
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