Preface
Thank you for choosing Delta’s high-performance Hybrid servo drive VFD-VJ Series
dedicated to plastic injection molding machine. The VFD-VJ series products are made of
high quality components and materials that incorporate the latest microcontroller
technology.
This manual is to be used for the installation, parameter setting, troubleshooting, and daily
maintenance of the Hybrid servo drive. To guarantee safe operation of the equipment, read
the following safety guidelines before connecting power to the Hybrid servo drive. Keep this
operating manual at hand and distribute to all users for reference.
To ensure the safety of operators and equipment, only qualified personnel familiar with
Hybrid servo drive are to do installation, start-up and maintenance. Always read this
manual thoroughly before using VFD-VJ series Hybrid Servo Drive, especially the
WARNING, DANGER and CAUTION notes. Failure to comply may result in personal injury
and equipment damage. If you have any questions, please contact your dealer.
Firmware version: V2.03
PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
DANGER
; AC input power must be disconnected before any wiring to the Hybrid
servo drive is made.
; Even if the power has been turned off, a charge may still remain in the
DC-link capacitors with hazardous voltages before the POWER LED is
OFF. Please do not touch the internal circuit and components. For safe
maintenance, use a multimeter to measure the voltage across the +1
and – terminals. The measured value should be lower than 25Vdc for the
system to operate normally.
; There are highly sensitive MOS components on the printed circuit boards.
These components are especially sensitive to static electricity. Please do
not touch these components or the circuit boards before taking anti-static
measures. Never reassemble internal components or wiring.
; Ground the Hybrid servo drive using the ground terminal. The grounding
method must comply with the laws of the country where the AC motor
drive is to be installed.
; This series of products is used to control the three-phase induction motors
and permanent magnet synchronous motors. It cannot be used for
single-phase motors or for other purposes.
; This series of products cannot be used on occasions that may endanger
personal safety.
; Please prevent children or unauthorized personnel from approaching the
Hybrid servo drive.
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