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(2) Items related to wiring
CAUTION
Correctly wire this product. Failure to observe this could result in servomotor runaway, etc.
Do not install a phase advancing capacitor, surge absorber or radio noise filter on the output side of
the servo drive unit.
Correctly connect the output side (terminal U, V, W). The servomotor will not run properly if
incorrectly connected.
Always install an AC reactor per each power supply unit.
Always install an appropriate breaker per each power supply unit. A breaker cannot be shared for
multiple power supply units.
Do not directly connect a commercial power supply to the servomotor. Failure to observe this could
result in faults.
When using an inductive load such as relays, always connect a diode in parallel to the load as a
noise countermeasure.
When using a capacitive load such as a lamp, always connect a protective resistor in series to the
load to suppress rush currents.
Do not mistake the direction of the surge absorption diode to be installed on the DC relay for the
control output signal. If mistaken, the signal will not be output due to fault in the drive unit, and
consequently the protective circuit, such as emergency stop, could be disabled.
R
A
RA
COM
(24VDC)
Control
output
signal
Servo drive unit
COM
(24VDC)
Servo drive unit
Control
output
signal
Do not connect or disconnect the connection cables between each unit while the power is ON.
Do not connect or disconnect the PCBs while the power is ON.
Do not pull the cables when connecting/disconnecting it.
Securely tighten the cable connector fixing screw or fixing mechanism. Insufficient fixing could result
in dislocation during operation.
Always treat the shield cables indicated in the Connection Manual with grounding measures such
as cable clamps.