Rosemount OCX 8800, Instruction Manual

Page: 116 / 266

Instruction Manual
IM-106-880, Rev 2.1
April 2017
OCX 8800
7-16
Parameter Mnemonic Valid Range Units Description
O2_SETPOINT °C O
2
heater temperature set point.
O2_SLOPE 34.5-57.5 mV/Decade The O
2
calibration slope.
O2_T90 0-300 Seconds The amount of time that the O2 process variable will take to reach 90% of
the actual process variable.
O2_TEMP_MAX °C The highest O
2
temperature read since power on.
O2_THERMOCOUPLE_ mV The raw value of the O
2
temperature input.
INPUT
O2_TIME_TO_NEXT_CAL 0-9999 Hours The time until the next automatic calibration of the O
2
sensor.
O2_TOL_CHECK 0: No
– 1: Yes
O
2
calibration gas tolerance check.
OPERATING_MODE Enumerated Device Operating Mode. See Table 7-8.
PCD_COUNTER Power cycle drop counter.
PCDC_ENABLE 0: No
– 1: Yes
Enable/disable power cycle drop detect.
PCN_COUNTER Power cycle noise counter.
SB_HTR_DUTYCYCLE Sample Block heater duty cycle.
SB_SETPOINT °C Sample Block heater temperature set point.
SB_TEMP °C The temperature of the sample line.
SB_TEMP_MAX °C The highest Sample Block temperature read since power on.
SB_THERMOCOUPLE_ mV The raw value of the sample line temperature input.
INPUT
SENSOR_HOUSING_TEMP °C Sensor Housing temperature (Valid only with Type 3 sensor).
SENSOR_HOUSING_ mV Sensor Housing CJC voltage (Valid only with Type 3 sensor).
TEMP_INPUT
SENSOR_HOUSING_ °C The highest Sensor Housing temperature read since power on.
TEMP_MAX
SENSOR_HOUSING_TYPE 0, 1, 2, 3 Enumerated This is the Sensor Housing type setting through the DIP switch.
(0=Type 1, 1=Type 2, 2=Type3, 3=Invalid)
SOLENOIDS_PRESENT 0: No
– 1: Yes
Enumerated This determines whether a calibration cycle will automatically step
through, turning solenoids on and off to switch test gas, or wait for an
operator to manually switch gases and acknowledge.
ST_REV See FF-891 section 5.3.
STATS_ATTEMPTS Total number of messages sent to the transducer a/d board.
STATS_FAILURES Total number of failed a/d board message attempts.
STATS_TIMEOUTS Total number of timed out a/d board message attempts.
STRATEGY See FF-891 section 5.3.
TAG_DESC See FF-891 section 5.3.
TRANSDUCER_ See FF-903 section 3.3.
DIRECTORY
TRANSDUCER_TYPE See FF-903 sections 3.3.
UPDATE_EVT See FF-891 section 5.3.
VERIFY_STATE 0 through 5 Enumerated The current state of the Calibration Check. (0=Idle 1, 1=Flow High O
2
,
2=Flow Lo O
2
, 3=Flow High COe, 4=Purge Gas, 5=Done)
VERIFY_STATE_STEP 0, 1, 2,.3, 6 Enumerated Initiates a calibration verify of O
2
or Combustibles gas. (0=Start Flow High
O
2
, 1=Start Flow Lo O
2
, 3=Start Flow High COe, 3=Purge Gas, 6=No
Effect)
VERIFY_STATE_TIME Seconds Time remain for the current Calibration Check state.
XD_ERROR See FF-903 section 3.3.