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Manual
00809-0500-4880
Table 8-3: Transducer Block Parameter Descriptions
Parameter mnemonic
BLOWBACK_PURGE_TIME
BLOWBACK_STATE
CAL_GAS_TIME
CAL_PURGE_TIME
CAL_REC_ENABLE
CAL_RESULTS
CAL_STATE
CAL_STATE_STEP
CAL_STATE_TIME
COLLECTION_DIRECTORY
COMB_SENSOR_CAL_LOC
COMB_SENSOR_CAL_METH
OD
COMB_SENSOR_CAL_WHO
COMB_AUTOCAL_INTERVAL
COMB_CAL_POINT
COMB_CONSTANT
Rosemount OCX8800A
Valid range
0-500
0, 1, 2
60 - 1200
60 - 1200
0: No
1: Yes
See
Table
8-10.
See
Table
8-4.
N/A
N/A
N/A
N/A
N/A
0-9999
0-55000
-99.0 to 99.0
(continued)
Units
Seconds
Enumerated
Seconds
Seconds
Bit Enum
Enumerated
N/A
Seconds
N/A
N/A
N/A
Hours
ppm
ppm
F
Fieldbus
™
OUNDATION
December 2022
Description
The amount of time
before returning the
output to process after
performing a blowback.
The current state of the
blowback cycle. (0 = Idle,
1 = Blow, 2 = Purge)
The amount of time
calibration gas should
flow before a reading is
taken.
The amount of time
before returning the
output to process after
calibrating.
Enable/disable
calibration
recommended alarm.
Calibration result.
The current state of the
calibration cycle.
Initiates a calibration or
goes to the next
calibration step.
The time left in the
current calibration step.
See Transducer Block
Specification, Part 1.
FF-902, page 11.
See FF-903, Section 3.3.
See FF-903, Sections 3.3
and 4.5.
See FF-903, Section 3.3.
The time between
automatic calibrations of
the combustibles sensor.
The value of the
combustibles test gas.
The combustibles
calibration constant.
131
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