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Model 9110TH NOx Analyzer Communications Setup and Operation
Teledyne Analytical Instruments 159
Table 6-6: Default Hessen Status Flag Assignments
STATUS FLAG NAME
3
DEFAULT BIT
ASSIGNMENT
WARNING FLAGS
SAMPLE FLOW WARNING 0001
OZONE FLOW WARNING 0002
RCEL PRESS WARN 0004
BOX TEMP WARNING 0008
RCELL TEMP WARNING
0010
IZS TEMP WARNING
1
0020
PMT TEMP WARN
0040
CONV TEMP WARNING 0080
INVALID CONC 8000
OPERATIONAL FLAGS
In MANUAL Calibration Mode 0200
In ZERO Calibration Mode 0400
In SPAN Calibration Mode 0800
In WARMUP Mode 1000
UNITS OF MEASURE FLAGS
UGM 0000
MGM 2000
PPB 4000
PPM 6000
SPARE/UNUSED BITS 0100
UNASSIGNED FLAGS (0000)
MANIFOLD TEMPERATURE
2
HVPS WARNING
OZONE GEN OFF FRONT PANEL WARN
SYSTEM RESET ANALOG CAL WARNING
RELAY BOARD WARNING CANNOT DYN ZERO
REAR BOARD NOT DETECTED CANNOT DYN SPAN
AUTOZERO WARNING Instrument is in MP CAL mode
1
Only applicable if the optional internal span gas generator is installed.
2
Only applicable if the 9110T is equipped with an oxygenator option.
3
It is possible to assign more than one flag to the same Hessen status bit. This
allows the grouping of similar flags, such as all temperature warnings, under the
same status bit.
Be careful not to assign conflicting flags to the same bit as each status bit will be
triggered if any of the assigned flags is active.