Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 70)

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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