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8 Options
8.5.4.10 Bit Encoding: State of Actual Value of CO
Tab. 8-20 Bit encoding: State of CO actual value
8.5.4.11 Bit Encoding: Cause of Fault of CO Controller
Tab. 8-21 Bit encoding: Cause of faults of CO controller
8.5.4.12 Bit Encoding: State of Flue Gas Temperature and Efficiency
Status CO Actual Value Bit Pattern HEX Code
CO threshold has not been triggered. 0000 0000 0000 0001 0x0001
CO threshold has been triggered or has been exceeded. 0000 0000 0000 0010 0x0002
Threshold signal cannot be detected by the transmitting device 0000 0000 0000 0011 0x0001 and
0x0002 are
not set
Underflow 0000 0010 0000 0000 0x0200
Overflow 0000 0100 0000 0000 0x0400
Maintenance mode 0000 1000 0000 0000 0x0800
Sending the replacement value. 0001 0000 0000 0000 0x1000
Warning of the measurement value 0010 0000 0000 0000 0x2000
Failure of the measurement value 0100 0000 0000 0000 0x4000
Invalid measurement value 1000 0000 0000 0000 0x8000
Cause of Fault Bit Pattern HEX Code
No valid threshold information available on LSB. 0000 0000 0000 0001 0x0001
The probe voltage is outside the monitoring range. 0000 0000 0000 0010 0x0002
The probe offset voltage is outside the monitoring range or the probe dynamics
cannot be detected.
0000 0000 0000 0100 0x0004
The cell’s inner resistance is outside the monitoring range. 0000 0000 0000 1000 0x0008
The cell temperature is outside the monitoring range. 0000 0000 0001 0000 0x0010
The dynamics of the probe voltage cannot be detected. 0000 0000 0010 0000 0x0020
The internal firing rate is outside the parameter set firing rate window. 0000 0000 0100 0000 0x0040
The watchdog processor deactivates the CO controller. 0000 0000 1000 0000 0x0080
The CO controller is deactivated by the LSB. 0000 0001 0000 0000 0x0100
The O
2
monitoring deactivates the CO controller. 0000 0010 0000 0000 0x0200
The effective CO probe voltage U
COe
is outside the monitoring range. 0000 0100 0000 0000 0x0400
The CO controller is deactivated temporarily because the CO threshold is active for
too long.
0000 1000 0000 0000 0x0800
The CO controller is shut-off permanently because the CO threshold signal was
active for too long.
0001 0000 0000 0000 0x1000
The CO controller is shut-off permanently because the CO threshold signal was
active for too long after ignition.
0010 0000 0000 0000 0x2000
The CO controller is shut-off permanently because the CO threshold signal was
active for too long after ignition.
0100 0000 0000 0000 0x4000
Status Bit Pattern HEX Code
Underflow 0000 0010 0000 0000 0x0200
Overflow 0000 0100 0000 0000 0x0400
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