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Preface|ASDA-B Series
ii
Revision February 2008, Doc. Name: 2006PDD23000009
z Do not connect a commercial power supply to the U, V, W terminals of motor. Failure to
observe this precaution will damage either the Servo motor or drive.
z Ensure that the drive and motor are correctly connected to a ground. The grounding method
must comply with the electrical standard of the country.
z Do not disconnect the AC servo drive and motor while the power is ON.
z Do not attach, modify and remove wiring when power is applied to the AC servo drive and
motor.
z Before starting the operation with a mechanical system connected, make sure the
emergency stop equipment can be energized and work at any time.
z Do not touch the drive heat sink or the servo motor during operation. Otherwise, it may result
in serious personnel injury.
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
ASDA-B series drives are open type servo drives and must be installed in an NEMA enclosure such as a
protection control panel during operation to comply with the requirements of the international safety
standards. They are provided with precise feedback control and high-speed calculation function
incorporating DSP (Digital Signal Processor) technology, and intended to drive three-phase permanent
magnet synchronous motors (PMSM) to achieve precise positioning by means of accurate current output
generated by IGBT (Insulated Gate Bipolar Transistor).
ASDA-B series drives can be used in industrial applications and for installation in an end-use enclosure that
do not exceed the specifications defined in the ASDA-B series user manual (Drives, cables and motors are
for use in a suitable enclosure with a minimum of a UL Type 1 rating).
Carefully notice and observe the following safety precautions when receiving, inspecting, installing, operating,
maintaining and troubleshooting. The following words, DANGER, WARNING and STOP are used to mark
safety precautions when using the Delta’s servo product. Failure to observe these precautions may void the
warranty!
The words, DANGER, WARNING and STOP, have the following meaning:
Indicates a potentially hazardous situation and if not avoided, may result in serious injury or
death.
Indicates a potentially hazardous situation and if not avoided, may result in minor to moderate
injury or serious damage to the product.
Indicates an improper action that it is not recommended to do and if doing it may cause
damage, malfunction and inability.