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CG Drives & Automation, 01-5326-01r3b
TTroubleshooting, Diagnoses and Maintenance
197
12. Troubleshooting, Diagnoses and Maintenance
12.1
Trips, warnings and limits
In order to protect the AC drive the principal operating
variables are continuously monitored by the system. If one
of these variables exceeds the safety limit an error/warning
message is displayed. In order to avoid any possibly
dangerous situations, the inverter sets itself into a stop Mode
called Trip and the cause of the trip is shown in the display.
Trips will always stop the AC drive. Trips can be divided into
normal and soft trips, depending on the setup Trip Type, see
menu “[250] Autoreset”. Normal trips are default. For
normal trips the AC drive stops immediately, i.e. the motor
coasts naturally to a standstill. For soft trips the AC drive
stops by ramping down the speed, i.e. the motor decelerates
to a standstill.
“Normal Trip”
•
The AC drive stops immediately, the motor coasts to a
standstill.
•
The Trip relay or output is active (if selected).
•
The Trip LED is on.
•
The accompanying trip message is displayed.
•
The “TRP” status indication is displayed (area D of the
display).
•
After reset command, the trip message will disappear and
menu [100] will be indicated.
“Soft Trip”
•
the AC drive stops by decelerating to a standstill.
During the deceleration.
•
The accompanying trip message is displayed, including
an additional soft trip indicator “S” before the trip time.
•
The Trip LED is flashing.
•
The Warning relay or output is active (if selected).
After standstill is reached.
•
The Trip LED is on.
•
The Trip relay or output is active (if selected).
•
The “TRP” status indication is displayed (area D of the
display).
•
After reset command, the trip message will disappear and
menu [100] will be indicated.
Apart from the TRIP indicators there are two more
indicators to show that the inverter is in an “abnormal”
situation.
“Warning”
•
The inverter is close to a trip limit.
•
The Warning relay or output is active (if selected).
•
The Trip LED is flashing.
•
The accompanying warning message is displayed in
window “[722] Warning”.
•
One of the warning indications is displayed (area F of
the display).
“Limits”
•
The inverter is limiting torque and/or frequency to avoid
a trip.
•
The Limit relay or output is active (if selected).
•
The Trip LED is flashing.
•
One of the Limit status indications is displayed (area D
of the display).
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Страница 40: ...38 Installation CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 52: ...50 Getting Started CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 64: ...62 EMC and standards CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 142: ...140 Functional Description CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
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Страница 206: ...204 Troubleshooting Diagnoses and Maintenance CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 232: ...230 Technical Data CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 238: ...236 Menu List CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
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