142 MOTOR DRIVE ALARMS
8.1.9 MOT OR DRIVE ALARMS / Active and stored trip monitors PINS 181 / 182
Branch hopping facility bet ween these two windows.
The 4 characters in the windo w are hex codes. The table belo w sho ws how to decode them to binary logic
The codes 0, 1, 2, 4, 8 are the most likely. The others only occur with 2 or more alarms high in any group.
HEX CODE BIN ARY
0 0 000
1 00 01
2 0 010
3 0011
4 01 00
5 0101
6 0110
7 0111
HEX CODE BINARY
8 1000
9 1001
A 101 0
B 10 11
C 110 0
D 110 1
E 111 0
F 1111
Note. If this value is connected to another PIN then the pure hexadecimal to decimal equivalent is used.
(Most significant character on the right, least significant on the left).
You can decode the HEX into 16 flags from right to left in 4 groups of 4 HEX HEX HEX HEX
using the above table as an aid.
Example. 0005 sho ws ARM A TURE OVERCURRENT and O VERSPEED.
Example. 0060 sho ws MISSING PULSE and FIELD LOSS
List of motor alarms display location 0000 0000 0000 0000
ARM A TURE OVERCURRENT 0001
SPEED FBK MISMATCH 0010
O VERSPEED 010 0
ARM A TURE OVER VOLTS 1000
FIELD O VERCURRENT 000 1
FIELD LOSS 0010
MISSING PULSE 0100
ST ALL TRIP 1000
THERMISTOR ON T 30 0001
HEA TSINK OVERTEMP 0010
SHORT C CT DIG OP 010 0
BA D REFERENCE EX CH 100 0
CONT A CTOR LO CK OUT 000 1
USER ALARM INPUT (PIN 712) 0010
SYNCHRO NIZ A TION LOSS 0100
SUPPLY PH ASE LOSS 1000
decode decode decode decode
MO TOR DRIVE ALARMS 2
181)A C TIVE TRIP MON
181)A C TIVE TRIP MON
0 0 0 0
PARA METER RANGE PIN
A C TIVE TRIP M ON See table below 181
Shows the status of the 16 active alarms
(4 groups of 4 in HEX code). Prior to latch
MO TOR DRIVE ALARMS 2
182)STORED TRIP MO N
182)STORED TRIP MO N
0 0 0 0
PARA METER RANGE PIN
STORED TRIP MON See table belo w 182
Shows the status of the 16 latched
alarms. (4 groups of 4 in HEX code).
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