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Performance
142 Mentor MP Advanced User Guide
www.controltechniques.com Issue Number: 4
When a trip occurs the reason for the trip is put into the top location in the trip log (Pr 10.20 = {tr01, 0.51}). At the same time either the time from the
powered-up clock (if Pr 6.28 = 0) or from the run time clock (if Pr 6.28 = 1) is put into Trip 0 time (Pr 10.41 and Pr 10.42). The times for earlier trips
(Trip 1 to 9) are moved to the next parameter in the same way that trips move down the trip log. The time for Trips 1 to 9 are stored as the time
difference between when Trip 0 occurred and the relevant trip in hours and minutes. The maximum time difference that can be stored is 600 hours. If
this time is exceeded the value stored is 600.00.
If the powered-up clock is used as the source for this function all the times in the log are reset to zero at power-up because they were related to the
time since the drive was powered-up last time. If the runtime clock is used the times are saved at power-down and then retained when the drive
powers up again. If Pr 6.28, which defines the clock source, is changed by the user the whole trip and trip time logs are cleared. It should be noted
that the powered-up time can be modified by the user at any time. If this is done the values in the trip time log remain unchanged until a trip occurs.
The new values put in the log for earlier trips (Trip 1 to 9) will become the time difference between the value of the power-up clock when the trip
occurred and the value of the powered-up clock when the latest trip occurred. It is possible that this time difference may be negative, in which case
the value will be zero.
The user can mask some of the trips from tripping the drive. The trip can be completely masked (do nothing in the event of the selected trip) by setting
the trip number into the parameter.
10.41 Trip 0 time: years.days
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
31 1 1 11
Range 0.000 to 9.364 Years.Days
Update rate Background write
10.42 Trip 0 time: hours.minutes
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
1211111
Range 00.00 to 23.59 Hours.Minutes
Update rate Background write
10.43 Trip 1 time
10.44 Trip 2 time
10.45 Trip 3 time
10.46 Trip 4 time
10.47 Trip 5 time
10.48 Trip 6 time
10.49 Trip 7 time
10.50 Trip 8 time
10.51 Trip 9 time
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
21
11 11
Range
0 to 600.00 Hours.Minutes
Update rate Background write
10.52 - 10.61 Trip Masks
Coding
Bit SP FI DE Txt VM DP ND RA NC NV PT US RW BU PS
111
Range 0 to 216
Default 0
Update rate Background read
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