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Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G User Manual

Page 32

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<3. Parameters>

3-19

IM 11M12D01-51E

HART Communicator

Display

Ctrl card

Control card abnormality

Ave-a oxygen

Ave-a oxygen concentration outside alarm limits

Ave-b oxygen

Ave-b oxygen concentration outside alarm limits

Ave-c oxygen

Ave-c oxygen concentration outside alarm limits

Process gas

Process gas alarm contact signal received by AV550G

Cal gas press lo Cal gas press lo alarm contact signal received by AV550G

Inside temp

AV550G case internal temperature over alarm limit

Cell voltage

Cell emf abnormal

Heater temp

Heater temperature abnormal

Ch card

Channel card abnormality detected

Card comm.

Communications between control card and channel card

abnormal

Oxygen

Channel oxygen concentration outside alarm limits

Zero conc. ratio

Zero correction factor outside normal range

Span conc. ratio Span correction factor outside normal range

Cal time over

Cell emf didn't stabilize during calibration interval

CJ temp

Cold (reference) junction temp. outside normal range

Asymmetry alarm Abnormal change in asymmetry correction factor

Explanation

AV550G

display

Error 4

Alarm 1

Alarm 6

Alarm 7

Alarm 9

Error 1

Error 2

Error 3

Error 5

Alarm 1

Alarm 2

Alarm 3

Alarm 4

Alarm 5

Alarm 8

Table3.1 AV550G Alarms and Errors displayed on HART Communicator

T0301.ai

Control card

Channel card