Microcom Technologies Commander General Purpose Variable Speed Drive Gp Manuale Utente
Commander GP User Guide
Issue code: gpxu2
Issue code: gpxu2
Diagnostics
E-1
E
Diagnostics
Warning
Users must not attempt to
repair a Drive if it is faulty, nor
carry out fault diagnosis other
than through the use of the
diagnostic features described
in this appendix.
repair a Drive if it is faulty, nor
carry out fault diagnosis other
than through the use of the
diagnostic features described
in this appendix.
Under no circumstances must
the casing of the Drive be
opened when the
the casing of the Drive be
opened when the
AC
supply is
connected.
If a Drive is faulty, it must be
returned to an authorized
Control Techniques distributor
for repair.
returned to an authorized
Control Techniques distributor
for repair.
When the Drive display is in Status mode, it is used
for displaying coded messages. These are
categorized as follows:
for displaying coded messages. These are
categorized as follows:
Status indications
When the Drive is in normal operation, the
lower display shows a code which indicates the
status of the Drive.
lower display shows a code which indicates the
status of the Drive.
Alarm indications
If a critical condition is detected, the Drive
continues operating and the lower display
shows an alarm code in place of the status
code. If the condition is not rectified, the Drive
could trip.
The alarm message flashes alternately with the
normal display indication.
continues operating and the lower display
shows an alarm code in place of the status
code. If the condition is not rectified, the Drive
could trip.
The alarm message flashes alternately with the
normal display indication.
Trip codes
If the Drive trips, the output is disabled so that
the Drive stops controlling the motor. The
lower display indicates that a trip has occurred
and the upper display shows a trip code.
the Drive stops controlling the motor. The
lower display indicates that a trip has occurred
and the upper display shows a trip code.
E.1 Status
indications
Lower
display
Conditions
Drive
output
rdY
The Drive is ready to be run.
Enabled
run
The Drive is running.
Enabled
inh
The Drive cannot be run and is waiting to
enter the ready (
enter the ready (
rdY
) state
Disabled
StoP
The Drive is holding the motor at
zero speed.
zero speed.
Enabled
dEC
The Drive is decelerating the motor.
Enabled
SCAn
The Drive is searching for the motor
frequency when synchronizing to a
spinning motor.
frequency when synchronizing to a
spinning motor.
Enabled
dc
The Drive is applying
DC
injection braking.
Enabled
triP
The Drive has tripped and is no longer
controlling the motor. The trip code
appears on the upper display.
controlling the motor. The trip code
appears on the upper display.
Enabled
E.2 Alarm
indications
Lower
display
Conditions
br.rS
The braking-resistor [I x t] accumulator in the Drive has
reached 75% of the value at which the Drive will be
tripped.
reached 75% of the value at which the Drive will be
tripped.
OVLd
The motor [I x t] accumulator in the Drive has reached 75%
of the value at which the Drive will be tripped.
of the value at which the Drive will be tripped.
hot
The Drive heatsink has reached 95
°
C (203
°
F) and the
output current has not been reduced (sufficiently).
Air
The temperature of the air around the control circuits is
near the maximum permissible.
near the maximum permissible.