7-6
Trips and Fault Finding
590+ Series DC Digital Converter
Hexadecimal Representation of Trips
The LAST ALARM, HEALTH WORD and HEALTH STORE parameters use a four digit
hexadecimal number to identify individual trips. Each trip has a unique corresponding number
as shown below.
LAST ALARM, HEALTH WORD and HEALTH STORE
Trip
Trip Code
First Digit
Digit
Digit
Last Digit
NO ACTIVE ALARMS
0
OVERSPEED
1
1
MISSING PULSE
2
2
FIELD OVER I
4
3
HEATSINK TRIP *
8
4
THERMISTOR
1
5
OVER VOLTS (VA)
2
6
SPD FEEDBACK
4
7
ENCODER FAILED
8
8
FIELD FAILED
1
9
3 PHASE FAILED *
2
10
PHASE LOCK
4
11
5703 RCV ERROR
8
12
STALL TRIP
1
13
OVER I TRIP
2
14
OTHER
x
4
15
ACCTS FAILED *
8
* Refer to “
Power Board LED Trip
” below
x
For the LAST ALARM parameter, OTHER is replaced with the trip codes below.
LAST ALARM only
14
AUTOTUNE ERROR
F
0
0
1
14
AUTOTUNE ABORTED
F
0
0
2
14
EXTERNAL TRIP
F
0
0
5
14
REMOTE TRIP
F
0
0
6
14
CONFIG ENABLED
F
2
0
0
14
NO OP-STATION
F
4
0
0
14
PCB VERSION
F
F
0
5
14
PRODUCT CODE
F
F
0
6
When more than one trip is to be represented at the
same time then the trip codes are simply added together
to form the value displayed. Within each digit, values
between 10 and 15 are displayed as letters A to F
For example, if the HEALTH WORD parameter is
01A8
then this represents a “1” in digit 3, an “8” and a
“2” in digit 2, (8+2 = 10, displayed as A) and an 8 in
digit 1. This in turn represents the active trips FIELD
FAILED, ENCODER FAILED, OVER VOLTS (VA)
and HEATSINK TRIP (an unlikely situation).
Decimal number
Display
10
A
11
B
12
C
13
D
14
E
15
F