Field Device Status Second Byte - ABB Endura AZ series User Manual

Endura AZ series integral and remote transmitter
Combustion oxygen monitor

7.5.2 Field Device Status Second Byte

Second Byte Description
Bit #7 Field Device Malfunction


Bit #6 Configuration Changed


Bit #5 Cold Start
Bit #4 More Status Available


Bit #3 Primary Variable Analog Output Fixed


Bit #2 Primary Variable Analog Output Saturated


Bit #1 Non Primary Variable Out of Limits


Bit #0 Primary Variable Out of Limits


Table 7.5 Field Device Status Second Byte
IM/AZ20E–EN Rev. F
A hardware error or failure has been detected by the device.
Further information may be available through the Read Additional Transmitter
Status command.
A write command has been executed.
A set command has been executed.
More Status information is available than can be returned in the Field Device
Status. Command #48 Read Additional Status Information provides this
additional status information.
Set if any of the device-specific status bits in command #48 are set.
The analog and digital analog outputs for the Primary Variable are held at the
requested value. They do not respond to the applied process.
Primary analog output set to a fixed value via HART (or via the HMI) putting the
current output into test mode.
The analog and digital outputs for the 'Primary Variable' are beyond their limits
and no longer represent the true applied process.
Calculated Current Output 1 value is beyond the physical limits of the output.
The temperature or cold junction cell voltage are beyond the operating limits of
the probe. The Read Additional Transmitter Status command, #48, is required to
identify the variable.
Set if SV, TV or QV sensor limit failure diagnostic bits are set.
The measured oxygen value is beyond the operating limits of the probe.
PV sensor out-of-limits diagnostic set.
7 HART®-Protocol
75