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Manual
00809-0500-4880
Table 8-3: Transducer Block Parameter Descriptions
Parameter mnemonic
ELECTRONICS_TEMP_INPUT N/A
INITIATE_BLOWBACK
LINE_FREQUENCY
LINE_VOLTAGE
MAX_ELECTRONICS_TEMP
MAX_TEMP_RESET
MODE_BLK
O2_AUTOCAL_INTERVAL
O2_CAL_POINT_HI
O2_CAL_POINT_LO
O2_CELL_IMPEDANCE
O2_CONSTANT
O2_FAILED_SLOPE
O2_HTR_DUTYCYCLE
O2_IMPEDANCE_CAL
O2_PERCENT_OF_RANGE
Rosemount OCX8800A
Valid range
1 = Do a manual
blowback
N/A
N/A
N/A
1: Reset max
temperatures
N/A
0-9999
0-40
0-40
N/A
-20.0 to 20.0
N/A
N/A
N/A
N/A
(continued)
Units
mV
N/A
Hz
Volts
° C
N/A
N/A
Hours
%
%
Ohms
mV
mV/Decade
N/A
Ohms
%
F
Fieldbus
™
OUNDATION
December 2022
Description
The current voltage
reading of the
electronics temperatue
sensor.
This initiates a blowback
cycle.
The calculated line
frequency.
The calculated line
voltage.
This is the maximum
electronics temperature
seen by the analyzer.
This resets the maximum
temperatures.
See FF-891, Section 5.3.
The time between
automatic calibrations of
the O
sensor.
2
The value of the O
high
2
test gas. This gas is also
used as the low gas for
calibrating the
combustibles
temperature.
The value of the low O
2
test gas.
The instantaneous
impedance value for the
O
cell.
2
The O
calibration
2
constant.
This is the slope value
calculated from the last
failed O
calculation.
2
O
heater duty cycle.
2
The impedance value
that was calculated as a
result of the current
successful O
calibration.
2
The percent of range of
the current O
reading.
2
135
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