Emerson Rosemount OCX8800A - Page 145

clearing alarms are reset when the alarm condition goes away. All others require
the device to be restarted.
Table 8-18 indicates channel status under indicated device conditions
(Occurrence). Unless, otherwise indicated in the table, the status values are:
• Occurrence: Normal
• Quality value: GOOD
• Quality substatus value: NON_SPECIFIC
• Limit value: NOT_LIMITED
Table 8-18: I/O Channel Status
Channel Occurrence Quality value Quality substatus
value
Limit value
1, 2 Powerup, Warmup,
Stabilize
BAD NON_SPECIFIC NOT_LIMITED
1, 2 Normal GOOD NON_SPECIFIC NOT_LIMITED
1, 2 Calibrating, Cal
verify, Blowback,
COe zero
UNCERTAIN SENSOR_
CONVERSION_INAC
CURATE
NOT_LIMITED
1, 2 Alarm (Temperature
low & high, Cell bad/
error)
UNCERTAIN SENSOR_
CONVERSION_INAC
CURATE
NOT_LIMITED
1, 2 System fault BAD DEVICE_FAILURE NOT_LIMITED
3, 4 Powerup, Warmup,
Stabilize
GOOD NON_SPECIFIC NOT_LIMITED
3, 4 Normal GOOD NON_SPECIFIC NOT_LIMITED
3, 4 Calibrating, Cal
verify, Blowback
GOOD NON_SPECIFIC NOT_LIMITED
3, 4 Alarm, System fault
(Temperature
related alarms:
thermocouple (T/C)
open, T/C shorted,
T/C reversed, ADC
error)
BAD DEVICE_FAILURE CONSTANT
3, 4 Temp low & high GOOD ACTIVE_BLOCK_
ALARM
NOT_LIMITED
Manual FOUNDATION
™
Fieldbus
00809-0500-4880 December 2022
Rosemount OCX8800A 145