Emerson Rosemount OCX 8800 Reference Manual page 134

Foundation Fieldbus
Starting a calibration procedure of a sensor is only allowed if there is no procedure already
running on the same sensor. If we do not want to wait to finish the already running
procedure, we first have to cancel it before starting the new procedure.
Table 7-7:
BLOWBACK_STATE description
Idle
Blow
Purge
Table 7-8:
ALARM_RELAY_EVENT description
Off
In calibration
O cell temp error
2
O heater open
2
O cell bad
2
Cal failed
Cal warn
High electronics temp
Unit failure
SL temp error
Comb cell temp error
Power input error
In COe zero
All
Table 7-9:
Operating mode description
POWER UP
WARMUP
STABILIZE
NORMAL
CALIBRATING
CALVERIFY
BLOWBACK
COZERO
124
Blowback state enumerations
Alarm event enumerations
Operating mode enumerations
OCX 8800