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2-11
2-2 Wiring
WARNING Wiring must be performed only after confirming that the power supply has been
turned OFF. Not doing so may result in electrical shock.
WARNING Wiring must be performed by authorized personnel. Not doing so may result in
electrical shock or fire.
WARNING Be sure to confirm operation only after wiring the emergency stop circuit. Not doing
so may result in injury.
WARNING Always connect the ground terminals to a ground of 100 Ω or less for the 200-V AC
class, or 10 Ω or less for the 400-V AC class. Not connecting to a proper ground may
result in electrical shock.
Caution Install external breakers and take other safety measures against short-circuiting in
external wiring. Not doing so may result in fire.
Caution Confirm that the rated input voltage of the Inverter is the same as the AC power sup-
ply voltage. An incorrect power supply may result in fire, injury, or malfunction.
Caution Connect the Braking Resistor and Braking Resistor Unit as specified in the manual.
Not doing so may result in fire.
Caution Be sure to wire correctly and securely. Not doing so may result in injury or damage to
the product.
Caution Be sure to firmly tighten the screws on the terminal block. Not doing so may result in
fire, injury, or damage to the product.
Caution Do not connect an AC power to the U, V, or W output. Doing so may result in damage
to the product or malfunction.
Caution The motor may start operation if input terminal S2 is turned ON with the default
parameter settings. Wire terminals with NC contacts (e.g., 3-wire sequences) only
after setting the multi-function input parameters.
Design Chapter 2
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