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A-21 – Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G User Manual

Page 70

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A-21

IM 11M12D01-61E

(3) Start Blow Back Command
Access the BLOWBACK_START parameter.

Setting the parameter to 2 (START) allows a blowback to be performed.
For example, set BLOWBACK_START (205) to 2, to perform a blow back on the AV550G.

(205 is a relative index.)

This function does not operate unless the blowback mode of the AV550G is set to Semi-Auto or Auto.

For details, refer to the AB550G’s user’s manual.

(4) Calibration Gas Pressure Drop Alarm

Access the CAL_GAS_PRESS_DROP_SW parameter.

1: No alarm issued (OFF)

2: Alarm in effect (ON)

For example, set CAL_GAS_PRESS_DROP_SW (206) to 2, to inform the AV550G of a drop in the

calibration gas pressure.

(5) Process Gas Alarm

Access the PROCESS_GAS_ALARM_SW parameter.

1: No alarm issued (OFF)

2: Alarm in effect (ON)

For example, set PROCESS_GAS_ALARM_SW (207) to 2, to inform the AV550G of a process gas

alarm.

NOTE