Emerson Rosemount OCX8800 - Table 7-4 Transducer Block Parameter Description

Section 7: Foundation
Fieldbus
April 2017
Instruction Manual
IM-106-880C, OI
Parameter Mnemonic Valid Range Units Description
Table 7-4 Transducer Block Parameter Description
ALARM_RELAY_EVENT1 See Table 7-8 Enumerated The first of three conditions that cause the alarm output to turn on..
ALARM_RELAY_EVENT2 See Table 7-8 Enumerated The second of three conditions that cause the alarm output to turn
on.
ALARM_RELAY_EVENT3 See Table 7-8 Enumerated The third of three conditions that cause the alarm output to turn on.
ALARM_RELAY_STATE 0: Off – 1: On Enumerated The state of the alarm output.
ALERT_KEY See FF-891 section 5.3.
ANALYZER_SW_BUILD_
DATE
ANALYZER_SW_BUILD_
NUMBER
ANALYZER_SW_
CHECKSUM
The date the analyzer software was built.
The build number of the analyzer software.
The checksum of the analyzer software.
ANALYZER_SW_VERSION The version of the analyzer software.
BLOCK_ALM See FF-891 section 5.3.
BLOCK_ERR See FF-891 section 5.3.
BLOWBACK_DURATION 1-5 Seconds The amount of time the blowback solenoid will be on.
BLOWBACK_ENABLED 0: No – 1: Yes Enumerated Enables or disables the automatic blowback cycle.
BLOWBACK_INTERVAL 0-32767 Minutes The time between blowback cycles.
BLOWBACK_PURGE_TIME 0-500 Seconds The amount of time before returning the output to process after
performing a blowback.
BLOWBACK_STATE 0, 1, 2 Enumerated The current state of the blowback cycle. (0=Idle, 1=Blow, 2=Purge)
CAL_GAS_TIME 60-1200 Seconds The amount of time calibration gas should flow before a reading is
taken.
CAL_PURGE_TIME 60-1200 Seconds The amount of time before returning the output to process after
calibrating.
CAL_REC_ENABLE 0: No – 1: Yes Enable/disable calibration recommended alarm.
CAL_RESULTS See Table
7- 11
Bit Enum Calibration result.
CAL_STATE See Table 7-5 Enumerated The current state of the calibration cycle.
CAL_STATE_STEP Initiates a calibration or goes to the next calibration step.
CAL_STATE_TIME Seconds The time left in the current calibration step.
COLLECTION_DIRECTORY See Transducer Block Specification, part 1. FF-902, page 11.
COMB _SENSOR_CAL_LOC See FF-903 section 3.3.
COMB_SENSOR_CAL_
METHOD
COMB _SENSOR_-
CAL_WHO
COMB_AUTOCAL_
INTERVAL
See FF-903 sections 3.3 and 4.5.
See FF-903 section 3.3.
0-9999 Hours The time between automatic calibrations of the combustibles sen-
sor.
COMB_CAL_POINT 0-55000 PPM The value of the combustibles test gas.
COMB_CONSTANT -99.0-99.0 PPM The combustibles calibration constant.
COMB_DELTA_
RESISTANCE
Ohms The raw value of the combustibles level input. This is the difference
between the active and reference RTDs.
COMB_FAILED_CONSTANT PPM This is the constant value calculated from the last failed
Combustibles calibration.
COMB_FAILED_SLOPE PPM/Ohm This is the slope value calculated from the last failed Combustibles
calibration.
COMB_HTR_DUTYCYCLE Combustibles heater duty cycle.
104 Transducer Block Parameters