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Manual
00809-0500-4880
Table 8-3: Transducer Block Parameter Descriptions
Parameter mnemonic
COMB_SECONDARY_VALUE
COMB_SECONDARY_VALUE_
RANGE
COMB_SENSOR_CAL_DATE
COMB_SENSOR_EXCITATIO
N
COMB_SENSOR_TYPE
COMB_SETPOINT
COMB_SLOPE
COMB_SLOPE_WARNING
COMB_T90
COMB_TEMP_MAX
COMB_THERMOCOUPLE_
INPUT
COMB_TIME_TO_NEXT
COMB_TOL_CHECK
Rosemount OCX8800A
Valid range
N/A
N/A
N/A
N/A
N/A
N/A
200-450
25.0 - 99.0
0 - 300
N/A
N/A
0 - 9999
0: No
1: Yes
(continued)
Units
N/A
N/A
N/A
mA
N/A
° C
ppm/Ohms
% of FS
Seconds
° C
mV
Hours
N/A
F
Fieldbus
™
OUNDATION
December 2022
Description
The combustibles cell
temperature. This is
determined from the
value of the
combustibles reference
resistance temperature
device (RTD).
The high and low range
limit values, the
engineering units code,
and the number of digits
to the right of the
decimal point for the
combustibles cell
temperature reading.
See FF-903, Section 3.3
Combustible reference
current.
See FF-903, Sections 3.3
and 4.3.
Combustibles heater
temperature set point.
The combustibles
calibration slope.
The combustibles slope
warning threshold.
The amount of time that
the combustibles
process variable will take
to reach 90% of the
actual process variable.
The highest
combustibles
temperature since power
on.
Combustible block
thermocouple (T/C)
voltage (valid only with
Type 3 sensor).
The time until the next
automatic calibration of
the combustibles sensor.
Combustible calibration
gas tolerance check.
133
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