CAN Interface Specification
Page 47 of 58
057-281 ISSUE: 1
8.1.1.4
DM1 (DIAGNOSTIC MESSAGE 1)
Priority
Ext Data Page
Data Page
PDU Format
PDU Specific
Size (Bytes)
Rate
3
0
0
FE
CA
8
100 ms
An alarm resulting in the shutdown of AVR excitation sets the DM1 Red Stop Lamp bits.
The only exception to this is the
Under Frequency
alarm as this condition occurs during a normal
generator stop sequence.
AVR alarms are indicated by the following SPN / FMI combinations.
SPN
FMI
Alarm Condition
Hex
Decimal
Hex
Decimal
Over Excite Trip
0D34
3380
00
0
Loss of Sensing
0988
2440
02
2
Corrupt Configuration
7F000
520192
1F
31
Start-up Failed Trip
7F001
520193
1F
31
Potentiometer Fault Alarm
7F002
520194
02
2
8.1.1.5
PROPB 01
– AVR SETTINGS
Priority
Ext Data Page
Data Page
PDU Format
PDU Specific
Size (Bytes)
Rate
3
0
0
FF
01
8
1 s
SPN
Hex
Decimal
Instrument
Byte / Bit
Scaling
Offset
Units
7F006
520198
Proportional Gain Setting
Byte 1 to 2
0.1 %/bit
0
%
7F007
520199
Integral Gain Setting
Byte 3 to 4
0.1 %/bit
0
%
7F008
520200
Derivative Gain Setting
Byte 5 to 6
0.1 %/bit
0
%
7F009
520201
Droop Setting
Byte 7 to 8
0.1 %/bit
0
%
8.1.1.6
PROPB 02
– AVR EXTERNAL BIAS
Priority
Ext Data Page
Data Page
PDU Format
PDU Specific
Size (Bytes)
Rate
3
0
0
FF
02
8
1 s
SPN
Hex
Decimal
Instrument
Byte / Bit
Scaling
Offset
Units
7F002
520194
External Potentiometer Bias
Byte 1 to 2
0.1 %/bit
-100 %
%
7F003
520195
External Voltage Input Bias
Byte 3 to 4
0.1 %/bit
-100 %
%
7F004
520196
J1939 Requested Bias
Byte 5 to 6
0.1 %/bit
-100 %
%
7F005
520197
Voltage Set Point
Byte 7 to 8
0.1 %/bit
0
%
