3-7
Chapter 3. Wiring
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Power input
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AC models
1: Live side of AC power supply
2: AC power neutral line
3: Frame ground
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DC models
1: DC power +
2: DC power −
3: Frame ground
Handling Precautions
• Before touching the power input terminal box, shut off the input power.
• The applicable crimp terminal for power input is a crimp terminal for M4
(8.5 mm or less wide), and the proper tightening torque is 1.4 N·m.
• Do not connect three or more crimp terminals to the same terminal screw.
• After completing the work, be sure to mount the cover on the power input
terminal block.
• There is a notch in the cover of the power terminal block to prevent slippage
of the cover.
Cover slippage prevention
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Grounding
Use the frame ground terminal to ground this device only. Do not connect the
ground wire from other devices.
Ground type: resistance of 100 Ω or less
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