Emotron VSB Instruction Manual Chapter 1 Safety Precautions
Since all adjustable frequency AC drives from CG Drives & Automation have been
subjected to hi-pot test before delivery, users are prohibited from implementing such a
test on this equipment. Failure to comply may result in equipment damage.
Signal wires should to the best of the possibility be away from main power lines. If this
cannot be ensured, vertical cross-arrangement shall be implemented, otherwise
interference noise to control signal may occur.
If motor cables are longer than 100m, it is recommended output AC reactor be used.
Failure to comply may result in faults.
1.1.4 Running
Drives which have been stored for more than 2 years should be used with voltage
regulator to gradually boost the voltage when applying power to the drives. Failure to
comply may result in equipment damage.
Be sure to confirm the completion and correctness of the drive wiring and close the
cover before applying power to the drive. Do not open the cover after applying power.
Failure to comply may result in electric shock hazard.
After applying the power, never touch the drive and peripheral circuits no matter what
state the drive is under, otherwise there will be electric shock hazard.
Prior to the running of the drive, check there is no person in surrounding area who can
reach the motor so as to prevent personal injury.
Only qualified technicians familiar with adjustable frequency AC drives are allowed to
perform signal test during operation. Failure to comply may result in equipment damage
and/or personal injury.
Never change the drive parameters at will. Failure to comply may result in equipment
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