Emerson Rosemount OCX 8800 Reference Manual page 136

Foundation Fieldbus
Table 7-13:
VERIFY_STATE_STEP description
Start flow high O
Start flow low O
Start flow high COe gas
Purge gas
No effect
Table 7-14:
COZERO_STATE description
Idle
Flowing
Purging
Table 7-15:
COZERO_OUTTRAK description
None
O
2
CO
2
Both
Table 7-16:
Alarm number
0
1
2
3
4
5
6
7
8
9
10
11
126
Calibration verify step values
gas
2
gas
2
COe zero state enumerations
COe out tracks enumerations
Detailed status
Description
No alarm active
O cell open
2
O cell impedance high
2
O thermocouple open
2
O thermocouple shorted
2
O thermocouple reversed
2
O cell temperature low
2
O cell temperature high
2
O cell temperature very high
2
O heater failure
2
O heater ramp rate
2
Combustibles cell error
Value of XD_ERROr (see
FF-903)
Mechanical failure
Mechanical failure
Mechanical failure
Mechanical failure
Mechanical failure
Mechanical failure
Mechanical failure
Mechanical failure
Mechanical failure
Electronics failure
Mechanical failure
OCX 8800