230
8 Options
Bit Pattern Actual Value CO
Bit Pattern Status of Flue Gas Temperature and Efficiency
Encoding FAT Status
CO controller is switched OFF permanently, because CO threshold sig-
nal is active for too long.
0x1000
CO controller is switched OFF temporarily, because CO threshold sig-
nal is active for too long after ignition.
0x2000
CO controller is switched OFF permanently, because CO threshold sig-
nal is active for too long after ignition.
0x4000
Digital outputs Active (Bit pattern)
CO threshold not triggered 0x0001
CO threshold triggered/exceeded 0x0002
Threshold not detected by sending device 0x0001 or 0x0002 set
Underflow 0x0200
Overflow 0x0400
MAINTENANCE MODE 0x0800
Sending a substitute value 0x1000
Warning: Measurement value 0x2000
Failure: Measurement value 0x4000
Measurement value valid 0x8000
Digital outputs Active (Bit pattern)
Underflow 0x0200
Overflow 0x0400
MAINTENANCE MODE 0x0800
Sending a substitute value 0x1000
Warning: Measurement value 0x2000
Failure: Measurement value 0x4000
Measurement value valid 0x8000
Value Description
01 Switched OFF
02 Permanent purge ON
05 Pre-purge gas
06 Leakage test for pre-purge 2
07 Leakage test for pre-purge 1
08 Ignition position gas
09 Ignition transformer gas
10 Ignition pilot burner gas
11 Ignition gas safety time 1 has expired
12 Ignition gas safety time 2 is running
13 Control of ignition firing-rate gas
19 Switch OFF gas valve 1
20 Switch OFF gas valve 2
Failure cause Active (Bit pattern)
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