Endura AZ series integral and remote transmitter
Combustion oxygen monitor
7 HART®-Protocol
76
IM/AZ20E–EN Rev. F
7.5.3 Additional Transmitter Status Information – Command 48
Byte 0
Description
Bit #7
Probe O
2
sensor broken
Bit #6
ADC failure
Bit #5
SV (Temperature) out of range
Bit #4
PV (% 0
2
) probe out of range
Bit #3
SV (Temperature) probe out of limits
Bit #2
PV (% 0
2
) probe out of limits
Bit #1
SV (Temperature) probe failure
Bit #0
PV (% 0
2
) probe failure
Byte 1
Description
Bit #7
Heater fuse blown
Bit #6
Heater failed
Bit #5
Heater tripped
Bit #4
Cell stabilizing
Bit #3
Cell warming up
Bit #2
Cold Junction failure
Bit #1
Thermocouple reversed
Bit #0
Thermocouple failure
Byte 2
Description
Bit #7
Solenoid valves in test mode
Bit #6
Test gas 2 not present
Bit #5
Test gas 1 not present
Bit #4
Scheduled accuracy check missed
Bit #3
Scheduled automatic calibration missed
Bit #2
Sensor calibration required
Bit #1
Sensor calibration overdue
Bit #0
Mains frequency error
Table 7.6 Additional Transmitter Status Information – Command 48