Emerson FXMP25 User's Guide Page 63

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FXMP25 User Guide 63
Issue Number: 3 www.controltechniques.com
Safety information
Product
information
Mechanical
installation
Electrical
installation
Getting started Parameters Setting-up Technical data
Diagnostics
UL listing information
9.4 Status indications
Table 9-4 Status indications
9.5 Displaying the trip history
The FXMP25 retains the last four trips that have occurred. Table 9-5 shows parameters
used to store the last four trip.
Table 9-5 Trips
9.6 Behavior of the FXMP25 when tripped
If the FXMP25 trips the output of the FXMP25 is disabled so that the FXMP25 stops
controlling the field. If any trip occurs the following read only parameters are frozen to
help in diagnosing the cause of the trip.
Table 9-6 Parameters frozen on trip
Analog and digital I/O
The analog and digital I/O on the FXMP25 continue to work correctly if a trip occurs.
Left hand
display
Description
ih
Field controller inhibited
The field controller is inhibited because the field controller is disabled
[Pr 77 = OFF (0)].
tr
Field controller has tripped
The field controller has tripped. The trip code will be displayed in the ‘right
hand’ display (see Chapter 9 Diagnostics on page 60).
rn
Field controller is running
The field controller is in a run state.
Pr 78 = Mode Selected and
Pr 77 = On (1) in Standalone Mode or
Mentor MP Pr 5.77 = On (1) In MP Mode or
Mentor II ribbon cable is connected in Mentor II mode.
Parameter Description
90 Trip 0 (most recent trip)
91 Trip 1
92 Trip 2
93 Trip 3
Parameter Description
02 Armature voltage
54 Flux feedback
56 Field current feedback
58 Field firing angle
03 Flux reference
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