Model MicroCEM

Instruction Manual

748467-A January 2002

ALARM NAME

LEVEL

DESCRIPTION

 

 

 

O2 Calibration Failed

Critical

O2 Calibration Failed to meet the maximum Drift requirements

 

 

 

CO Calibration Failed

Critical

CO Calibration Failed to meet the maximum Drift requirements

 

 

 

NOx Calibration Failed

Critical

NOx Calibration Failed to meet the maximum Drift require-

ments

 

 

O2 High Limit

Critical

O2 Sensor reading is above the minimal acceptable limit

 

 

 

O2 Low Limit

Critical

O2 Sensor reading is below the minimal acceptable limit

 

 

 

CO High Limit

Critical

CO Sensor reading is above the minimal acceptable limit

 

 

 

CO Low Limit

Critical

CO Sensor reading is below the minimal acceptable limit

 

 

 

NOx High Limit

Critical

NOx Sensor reading is above the minimal acceptable limit

 

 

 

NOx Low Limit

Critical

NOx Sensor reading is below the minimal acceptable limit

 

 

 

24V Over Max

Critical

24V diagnostic input exceeds the specified maximum

 

 

 

24 Low Min

Critical

24V diagnostic input is below the specified minimum

 

 

 

O2 Emission Limit

Warning

O2 reading is over the specified Limit

 

 

 

CO Emission Limit

Warning

CO reading is over the specified Limit

 

 

 

NOx Emission Limit

Warning

NOx reading is over the specified Limit

 

 

 

Converter Over Temp

Critical

Converter temperature reading exceeds the specified maxi-

mum

 

 

Converter Low Temp

Critical

Converter temperature reading is below the specified minimum

 

 

 

Zone Over Temp

Critical

Zone temperature reading exceeds the specified maximum

 

 

 

Zone Low Temp

Critical

Zone temperature reading is below the specified minimum

 

 

 

PDT Over Temp

Critical

Peltier Cooler (PDT) temperature reading exceeds the speci-

fied maximum

 

 

PDT Low Temp

Critical

Peltier Cooler (PDT) temperature reading is below the specified

minimum

 

 

PMT Over Temp

Critical

PDD Chamber temperature reading exceeds the specified

maximum

 

 

PMT Low Temp

Critical

PDD Chamber temperature reading is below the specified

minimum

 

 

Warm-up Time Limit

Critical

System Warm-up process exceeded the specified time limit

 

 

 

Table 3-2. Alarm Summary

Rosemount Analytical Inc. A Division of Emerson Process Management

Operation

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