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Preface|ASDA-B Series
Revision January, 2009 iii
Unpacking Check
¾ Please ensure that both the servo drive and motor are correctly matched for size (power rating). Failure to
observe this precaution may cause fire, seriously damage the drive / motor or cause personal injury.
Installation
¾ Do not install the product in a location that is outside the stated specification for the drive and motor. Failure to
observe this caution may result in electric shock, fire, or personal injury.
Wiring
¾ Connect the ground terminals to a class-3 ground (Ground resistance should not exceed 100Ω). Improper
grounding may result in electric shock or fire.
¾ Do not connect any power supplies to the U, V, W terminals. Failure to observe this precaution may result in
serious injury, damage to the drive or fire.
¾ Ensure that all screws, connectors and wire terminations are secure on the power supply, servo drive and motor.
Failure to observe this caution may result in damage, fire or personal injury.
Operation
¾ Before starting the operation with a mechanical system connected, change the drive parameters to match the user-
defined parameters of the mechanical system. Starting the operation without matching the correct parameters may
result in servo drive or motor damage, or damage to the mechanical system.
¾ Ensure that the emergency stop equipment or device is connected and working correctly before operating the
motor that is connected to a mechanical system.
¾ Do not approach or touch any rotating parts (e.g. shaft) while the motor is running. Failure to observe this
precaution may cause serious personal injury.
¾ In order to prevent accidents, the initial trial run for servo motor should be conducted under no load conditions
(separate the motor from its couplings and belts).
¾ For the initial trial run, do not operate the servo motor while it is connected to its mechanical system. Connecting
the motor to its mechanical system may cause damage or result in personal injury during the trail run. Connect the
servo motor once it has successfully completed a trail run.
¾ Caution: Please perform trial run without load first and then perform trial run with load connected. After the
servo motor is running normally and regularly without load, then run servo motor with load connected. Ensure to
perform trial run in this order to prevent unnecessary danger.
¾ Do not touch either the drive heat sink or the motor during operation as they may become hot and personal injury
may result.
Maintenance and Inspection
¾ Do not touch any internal or exposed parts of servo drive and servo motor as electrical shock may result.
¾ Do not remove the operation panel while the drive is connected to an electrical power source otherwise electrical
shock may result.
¾ Wait at least 10 minutes after power has been removed before touching any drive or motor terminals or
performing any wiring and/or inspection as an electrical charge may still remain in the servo drive and servo
motor with hazardous voltages even after power has been removed.
¾ Do not disassemble the servo drive or motor as electric shock may result.
¾ Do not connect or disconnect wires or connectors while power is applied to the drive and motor.
¾ Only qualified personnel who have electrical knowledge should conduct maintenance and inspection.
Main Circuit Wiring
¾ Install the encoder cables in a separate conduit from the motor power cables to avoid signal noise. Separate the
conduits by 30cm (11.8inches) above.
¾ Use multi-stranded twisted-pair wires or multi-core shielded-pair wires for signal, encoder (PG) feedback cables.
The maximum length of command input cable is 3m (9.84ft.) and the maximum length of encoder (PG) feedback
cables is 20m (65.62ft.).
¾ As a charge may still remain in the drive with hazardous voltages even after power has been removed, be sure to
wait at least 10 minutes after power has been removed before performing any wiring and/or inspection.