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WARNINGS
The Drive leakage current to
ground is higher than 3mA. Use grounding
conductor as specified in Table 250-95 of
National Electric Code, ANSI/NFPA 70-1993 or
Table 31 CSA22.2, No. 14-M91.
HAZARD OF MOTOR
OVERSPEED:
ANY APPLICATIONS REQUIRING OPERATION
ABOVE 120 HZ MUST BE APPROVED BY THE
MOTOR MANUFACTURER.
Bias frequency setting is available when analog
frequency setting method (i.e. the Function
code "01" data is set at 1) is selected. At the
stop condition, the reference frequency will be
blinking on the LED display. If the Bias
frequency is set at a certain level and the
reference frequency is Zero, during the stop
condition, the display will be blinking Zero.
Thus, when a RUN command is given to the
Drive, the motor will run at the Bias frequency
setting (up to 400 Hz) even if the reference
frequency is Zero.
With 400 Hz Drive output possible, the Drive will
allow the motor to run up to 6 - 7 times its base
speed. Never operate the motor above its top
mechanical speed or a catastrophic failure may
occur.
Before disassembling,
disconnect and lock out power from the Drive.
Failure to disconnect power may result in death
or serious injury. A bus charge Light "CRG"
provides visual indication that bus voltage is
present; verify the bus voltage level by
measuring the voltage between power terminals
P(+) and N(-) using an analog meter. Do not
attempt to service the Drive until the charge
indicator ("CRG" lamp) has extinguished and
the bus voltage has discharged to zero volts.
Replace all covers before
applying power to the Drive. Failure to do so
may result in death or serious injury.
MECHANICAL MOTION
HAZARD: Drive systems cause mechanical
motion. It is the responsibility of the user to
insure that any such motion does not result in
an unsafe condition. Customer provided
interlocks, and operating limits should not be
bypassed or modified.
ELECTRICAL SHOCK
AND BURN HAZARD: When using
instruments such as oscilloscopes to work on
live equipment, the oscilloscope’s chassis
should be grounded and a differential amplifier
input should be used. Care should be used in
the selection of probes and leads and in the
adjustment of the oscilloscope so that accurate
readings may be made. See instrument
manufacturer’s instruction book for proper
operation and adjustments to the instrument.
FIRE AND EXPLOSION
HAZARD: Fires or explosions might result
from mounting Drives in hazardous areas such
as locations where flammable or combustible
vapors or dusts are present. Drives should be
installed away from hazardous areas, even if
used with motors suitable for use in these
locations.
STRAIN HAZARD:
Improper lifting practices can cause serious or
fatal injury. Lift only with adequate equipment
and trained personnel.
ELECTRICAL SHOCK
HAZARD: All motor bases and equipment
enclosure housings should be grounded in
accordance with the National Electric Code or
equivalent.
(AVERTISSEMENT)
HAZARD OF ELECTRICAL SHOCK
(RIS QUE DE CHOC ELECTRIQUE)
- Separate motor overcurrent, overload, and
overheating protection is required to be
provided in accordance with the Canadian
Electrical Code, Part 1.
- (Le moteur dolt etre muni d'une protection
distincte contre les surintensites, la
surcharge et la surchauffe confrmement au
Code Canadian de L'electricite, premierb
partie.)