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Affinity User Guide
263
Issue Number: 5 www.controltechniques.com
13.4 Displaying the trip history
The drive retains a log in Pr
10.20
to Pr
10.29
of the last 10 trips that
have occurred. The state of Pr
6.49
determines whether date and time or
module number, associated with the trip, is stored (see Table 13-8).
Table 13-8 Trip log definition
Trip 1 is the most recent trip or the current trip if the drive is in a trip
condition and trip 10 is the oldest trip.
The date and time for Pr
10.41
to
10.59
are taken from the values in
Pr
6.16
and Pr
6.17
.
The value in Pr
6.19
determines if power-up time, drive running time or
real time clock is logged. Refer to section 6.2.11
page 109.
If any parameter between Pr
10.20
and Pr
10.29
inclusive is read by
serial communications, then the trip number in Table 13-2
on page 251 is the value transmitted.
13.5 Behavior of the drive when tripped
If the drive trips, the output of the drive is disabled so that the drive stops
controlling the motor. If any trip occurs (except the UV trip) the following
read only parameters are frozen until the trip is cleared. This is to help in
diagnosing the cause of the trip.
Fire mode
If Fire mode is activated, then only certain trips will be active. Refer to
section 11.21.3
Analog and digital I/O
The analog and digital I/O on the drive continue to work correctly if a trip
occurs, except the digital outputs will go low if one of the following trips
occur: O.Ld1, PS.24V.
Drive logic functions
The drive logic functions (i.e. PID, variable selectors, threshold
detectors, etc.) continue to operate when the drive is tripped.
Onboard PLC program
The Onboard PLC program continues to run if the drive is tripped, except
if one of Onboard PLC program trips occur.
Braking IGBT
The braking IGBT continues to operate even when the output of the
drive is not enabled (except if the low voltage DC supply is being used),
but is only disabled if any of the following trips occurs or would occur if
another trip had not already become active: OI.Br, PS, It.Br, OV or any
HFxx trip.
Trip
number
Trip code
Pr 6.49 = 1
Pr 6.49 = 0
Date
Time
Module number
Trip 1
10.20
10.41
10.42
10.42
Trip 2
10.21
10.43
10.44
10.44
Trip 3
10.22
10.45
10.46
10.46
Trip 4
10.23
10.47
10.48
10.48
Trip 5
10.24
10.49
10.50
10.50
Trip 6
10.25
10.51
10.52
10.52
Trip 7
10.26
10.53
10.54
10.54
Trip 8
10.27
10.55
10.56
10.56
Trip 9
10.28
10.57
10.58
10.58
Trip 10
10.29
10.59
10.60
10.60
Parameter Description
1.01
Frequency/speed reference
1.02
Pre-skip filter reference
1.03
Pre-ramp reference
2.01
Post-ramp reference
3.01
Final speed ref
3.02
Speed feedback
3.03
Speed error
3.04
Speed controller output
4.01
Current magnitude
4.02
Active current
4.17
Reactive current
5.01
Output frequency
5.02
Output voltage
5.03
Power
5.05
DC bus voltage
7.01
Analog input 1
7.02
Analog input 2
7.03
Analog input 3
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