Displaying The Trip History; Behaviour Of The Drive When Tripped - Emerson Powerdrive F300 User Manual

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13.9

Displaying the trip history

The drive retains a log of the last ten trips that have occurred. Trip 0
(10.020) to Trip 9 (10.029) store the most recent 10 trips that have
occurred where Trip 0 (10.020) is the most recent and Trip 9 (10.029) is
the oldest. When a new trip occurs it is written to Trip 0 (10.020) and all
the other trips move down the log, with oldest being lost. The date and
time when each trip occurs are also stored in the date and time log, i.e.
Trip 0 Date (10.041) to Trip 9 Time (10.060). The date and time are taken
from Date (06.016) and Time (06.017). The date / time source can be
selected with Date / Time Selector (06.019). Some trips have sub-trip
numbers which give more detail about the reason for the trip. If a trip has
a sub-trip number its value is stored in the sub-trip log, i.e. Trip 0 Sub-trip
Number (10.070) to Trip 9 Sub-trip Number (10.079). If the trip does not
have a sub-trip number then zero is stored in the sub-trip log.
If any parameter between Pr 10.020 and Pr 10.029 inclusive is read by
serial communication, then the trip number in Table 13-3 is the value
transmitted.
NOTE
The trip logs can be reset by writing a vale of 255 in Pr 10.038.
13.10

Behaviour of the drive when tripped

If the drive trips, the output of the drive is disabled so the load coasts to a
stop. If any trip occurs the following read only parameters are frozen until
the trip is cleared. This is to help in diagnose the cause of the trip.
Parameter
01.001 Frequency / speed reference
01.002 Pre-skip filter reference
01.003 Pre-ramp reference
02.001 Post-ramp reference
03.001 Frequency slaving demand / Final speed ref
03.002 Speed feedback
03.003 Speed error
03.004 Speed controller output
04.001 Current magnitude
04.002 Active current
04.017 Reactive current
05.001 Output frequency
05.002 Output voltage
05.003 Power
05.005 DC bus voltage
07.001 Analog input 1
07.002 Analog input 2
If the parameters are not required to be frozen then this can be disabled
by setting bit 4 of Pr 10.037.
Powerdrive F300 User Guide
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