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22
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System Configuration and Wiring
Main Circuits
Don't turn on the main power until the wiring is completed, to avoid electric shocks.
Wiring Instructions
A
Detach the terminal block by removing the cover securing screw.
B
Make necessary connections.
Use clamp terminal connectors with an insulation cover. For wire diameter and connector sizes,
see List of Available Components (page 20).
C
Attach the terminal block cover and tighten the cover securing screw.
Ground
Red
Black
Green
yellow
Motor
DC
24V
White or
yellow
NFB
Power
supply
Power supply for
elector magnetic brake
NF
MC
L1
1
2
3
4
L2
L3
r
t
P
B1
B2
U
V
W
L
Yellow
2 wires
See the nameplate of the driver to check the power specification.
Install a non-fuse breaker or leakage breaker. The latter should be a
special one intended for inverters, i.e. with a countermeasure against
higher harmonics.
Install a noise filter without fail.
Install a surge absorber to the magnetic contactor coil.
Install an AC reactor.
For single-phase 100V, connect between L1 and
r, and between L3 and t. Do not use L2 terminal.
Don't remove the short bar connecting between B1 and B2. Remove
this only when an external regenerative discharge resistor is connected.
Ensure matching in color between the motor wires
and terminals (U, V and W).
Don't short circuit or ground. Don't connect to the
main power.
If cannon plugs are used, see the next page.
Connect to the grounding system of the facility.
Never fail to connect between the driver's protective
earth terminal ( ) and control board's protective
earth terminal (PE) in order to avoid electric shocks.
No multiple connections to a single earth terminal
permissible. There are two earth terminals ( )
Earth wires should in no case be connected or made contact to any of
the terminals other than the earth terminals on the block.
The electromagnetic brake is not polar-sensitive.
For power capacities, see the Appendix (page 11).
For use of the brake, see "Holding Brake" in page 9 of
Appendix.
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