User manual
126 of 148
E.2 Register Map
UNOTE: All parameters are assumed to be unsigned integer values unless
otherwise specified in the “Range” column.
Table 35 – Modbus Register Map
Register
Parameter
Range
Read /
Write
Data format
Units
1P
st
P
Generation ModBus Support
(For new applications utilize 2P
nd
P
generation support)
Warning and fault shutdown are updated by controller once every 250ms.
40001
Highest Severity Event
(Read only)
bit 16 = Alarm State, bit 15-14 = Severity, Bits 13-10 = Reserved, Bits
9-1 = Event #
40002
Previous Highest
Severity Event (R)
bit 16 = Alarm State, bit 15-14 = Severity, Bits 13-1 = Event #
40003 ~
40010
(Read
Only)
Each event uses 5bits,
b4, b3, b2, b1, b0 where b0 is the least significant bit.
b0 = The event status (warning or shutdown occurring)
0 = Not Active, 1 = Active
b2-b1 = The severity of the event
0 = Take No Action, 1 = Warning/Acknowledge
2 = Action Required, 3 = Take Immediate Action (shutdown)
b3 = Alarm Action (indicates if GSC400 is sounding buzzer)
0 = No Audible Alarm, 1 = Sound Audible Alarm
b4 = Warning/Failure Feature Enabled/Disabled
0 = Disabled, 1 = Enabled
40003
Events number 1 System Ready bit 4-0
Events number 2 Over crank bit 9-5
Events number 3 High Engine Temperature Warning / Shutdown bit 14-10
40004
Events number 4 Low Oil Pressure Warning / Shutdown bit 4-0
Events number 5 Over speed bit 9-5
Events number 6 Emergency Stop bit 14-10
40005
Events number 7 Low Coolant Level bit 4-0
Events number 8 Low Coolant Temperature bit 9-5
Events number 9 Low Fuel Level In Tank bit 14-10
40006
Events number 10 Low Fuel Pressure bit 4-0
Events number 11 Emergency Power Supplying Load bit 9-5
Events number 12 Generator Running bit 14-10