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