Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 29)

IM 11M12A01-03E 2-10
2.3.2 Function
Display Functions:
Value Display; Displays values of the measured Oxygen concentration,
moisture quantity, mixture ratio etc.
Graph Display; Displays trends of measured oxygen concentration moisture
quantity, mixture ratio etc.
Data Display; Displays various useful data for maintenance, such as cell
temperature, reference junction temperature, maximum/
minimum moisture quantity and the like.
Status Messages; Indicates an alarm or error occurrence with flashing of the corre-
sponding icon. Indicates status such as warming-up, calibrating,
or the like by symbols.
Alarm, Error Display: Displays alarms such as “Abnormal moisture quantity” or
errors such as “Abnormal cell e.m.f.” when any such status
occurs.
Calibration Functions:
Auto-Calibration; Requires the Auto-calibration Unit. It calibrates automatically at
specified intervals.
Semi-auto Calibration; Requires the Auto-calibration Unit. Input calibration direction
on the touchpanel or contact, then it calibrates automatically
afterwards.
Manual Calibration; Calibration with opening/closing the valve of calibration gas in
operation interactively with an LCD panel.
Blowback Function:
Output through the contact at a set period and time. Auto/semi-auto
selectable.
Maintenance Functions:
Can update data settings during daily operation and checking.
Display data settings, calibration data settings, blowback data settings,
current output loop check, input/output contact check.
Setup Functions:
Initial settings suit for the plant conditions when installing the con
verter. Equipment settings, current output data settings, alarm data
settings, contact data settings, other settings.
Self-diagnosis:
This function diagnoses conditions of the converter or the probe and
indicates when any abnormal condition occurs.
Password Functions:
Enter your password to operate the analyzer excepting data display.
Individual passwords can be set for maintenance and setup.