Sierra Monitor Corporation Sentry Controller Gas Detector User Manual
Page 3
Sentry MODBUS I/O Memory Map
March 4, 2005
Page
:
2
Read Only Parameters
Modbus
Address Parameter Units FIX
EGU
Discrete
40001:0
High alarm bits - sensor 1
40001:1
High alarm bits - sensor 2
40001:2
High alarm bits - sensor 3
40001:3
High alarm bits - sensor 4
40001:4
High alarm bits - sensor 5
40001:5
High alarm bits - sensor 6
40001:6
High alarm bits - sensor 7
40001:7
High alarm bits - sensor 8
40002:0
Low alarm bits - sensor 1
40002:1
Low alarm bits - sensor 2
40002:2
Low alarm bits - sensor 3
40002:3
Low alarm bits - sensor 4
40002:4
Low alarm bits - sensor 5
40002:5
Low alarm bits - sensor 6
40002:6
Low alarm bits - sensor 7
40002:7
Low alarm bits - sensor 8
40003:0
Common (High or low) alarm bits - sensor 1
40003:1
Common (High or low) alarm bits - sensor 2
40003:2
Common (High or low) alarm bits - sensor 3
40003:3
Common (High or low) alarm bits - sensor 4
40003:4
Common (High or low) alarm bits - sensor 5
40003:5
Common (High or low) alarm bits - sensor 6
40003:6
Common (High or low) alarm bits - sensor 7
40003:7
Common (High or low) alarm bits - sensor 8
40004:0
Common high alarm, any sensor
40004:1
Common low alarm, any sensor
40004:2
Common any alarm, any sensor
40004:3
Calibrate
mode
40004:4
Trouble
alarm
40004:5
Power Flash (Startup mode)
40005:0
Sensor in calibration – sensor 1
40005:1
Sensor in calibration – sensor 2
40005:2
Sensor in calibration – sensor 3
40005:3
Sensor in calibration – sensor 4
40005:4
Sensor in calibration – sensor 5
40005:5
Sensor in calibration – sensor 6
40005:6
Sensor in calibration – sensor 7
40005:7
Sensor in calibration – sensor 8
40006:0
Bits indicating analog value is valid – sensor 1
40006:1
Bits indicating analog value is valid – sensor 2
40006:2
Bits indicating analog value is valid – sensor 3
40006:3
Bits indicating analog value is valid – sensor 4
40006:4
Bits indicating analog value is valid – sensor 5
40006:5
Bits indicating analog value is valid – sensor 6
40006:6
Bits indicating analog value is valid – sensor 7
40006:7
Bits indicating analog value is valid – sensor 8