Rosemount OCX 8800, Instruction Manual

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Instruction Manual
IM-106-880, Rev 2.1
April 2017
OCX 8800
7-15
Parameter Mnemonic Valid Range Units Description
COZERO_PURGE_TIME 60-180 Seconds The duration of the Combustibles sensor zero purge.
COZERO_STATE 0, 1, 2 The current step of the Combustibles sensor zero cycle. (0=Idle,
1=Flowing, 2=Purging)
COZERO_UPDATE 0: Off
– 1: On
Enumerated Indicates whether the Combustibles calibration constants should be
updated after Combustibles sensor zero.
DETAILED_STATUS_1 0-16777215 Bit Enum A bit-enumerated value used to communicate the status of the OCX. (This
is similar in nature to the command 48 status bits in HART).
DETAILED_STATUS_2 0-16777215 Bit Enum A bit-enumerated value used to communicate the status of the OCX. (This
is similar in nature to the command 48 status bits in HART).
ELECTRONICS_TEMP °C The current temperature reading of the electronics temperature sensor.
ELECTRONICS_TEMP_ mV The current voltage reading of the electronics temperature sensor.
INPUT
INITIATE_BLOWBACK 1=Do a manual This initiates a blowback cycle. 1=Do a manual blow back
blowback
LINE_FREQUENCY Hz The Calculated line frequency.
LINE_VOLTAGE Volts The calculated line voltage.
MAX_ELECTRONICS_TEMP °C This is the maximum electronics temperature seen by the analyzer.
MAX_TEMP_RESET 1=Reset max This resets the maximum temperatures.
temperatures
MODE_BLK 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 sensor.
O2_CAL_POINT_LO 0-40 % The value of the O
2
low test gas.
O2_CELL_IMPEDANCE Ohms The instaneous impedance value for the O
2
cell.
O2_CONSTANT -20.0-20.0 mV The O
2
calibration constant.
O2_FAILED_CONSTANT mV This is the constant value calculated from the last failed O
2
calibration.
O2_FAILED_SLOPE mV/Decade This is the slope value calculated from the last failed O
2
calibration.
O2_HTR_DUTYCYCLE O
2
heater duty cycle.
O2_IMPEDANCE CAL Ohms The impedance value that was calculated as a result of the current
successful O
2
calibration.
O2_PERCENT_OF_RANGE % The percent of range of the current O
2
reading.
O2_PREVIOUS_CONSTANT mV The O
2
calibration constant from the previous good calibration.
O2_PREVIOUS_ Ohms The impedance value from the previous good calibration.
IMPEDANCE
O2_PREVIOUS_SLOPE mV/Decade The O
2
calibration slope from the previous good calibration.
O2_PRIMARY_VALUE The value and status of the O
2
concentration reading.
O2_PRIMARY_VALUE_ The High and Low range limit values, the engineering units code, and the
RANGE number of digits to the right of the decimal point for the O
2
reading.
O2_PRIMARY_VLUE_TYPE See F-903 See FF-903 section 3.3.
section 4.1
O2_SECONDARY_VALUE The temperature of the O
2
cell.
O2_SECONDARY_VALUE_ The High and Low range limit values, the engineering units code, and the
RANGE
number of digits to the right of the decimal point for the O
2
cell
temperature.
O2_SENSOR_CAL_DATE See FF-903 section 3.3.
O2_SENSOR_CAL_LOC See FF-903 section 3.3.
O2_SENSOR_CAL_ See FF-903 sections 3.3 and 4.5.
METHOD
O2_SENSOR_CAL_WHO See FF-903 section 3.3.
O2_SENSOR_INPUT mV The raw value of the O
2
sensor input.
O2_SENSOR_TYPE See FF-903 section 3.3 and 4.3.