3-7
Chapter 3. Wiring
Power input
AC models
1: Live side of AC power supply
2: AC power neutral line
3: Frame ground
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
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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