YOKOGAWA ZR22G User Manual page 161

When the mode is turned setup to "Semi-automatic":
In addition to the "Hold time" "stabilization time" described above, "calibration time" is turned
setup. Calibration time is the time from when calibration begins to flow until calibration is
executed. Setup times work commonly for both zero calibration and span calibration. The settling
time and calibration time can be setup from 00 minutes 00 seconds to 60 minutes 59 seconds.
Fig. 9.8 shows the relationship between calibration time and the stabilization time
.
Calibration start
(contact or switch input)
Span calibration
(span gas valve open)
Zero calibration
(zero gas valve open)
Analog output status
Figure9.8 Calibration and Hold Time Settings
• When the calibration mode is in automatic:
In addition to the above Hold (output stabilization) time and Calibration time, set the Interval, First
Start date, and First Start time.
Interval means the calibration intervals ranging from 000 days, 00 hours to 255 days, 23 hours.
Set the first calibration day and the First start-calibration time to the "Start date" and "Start time"
respectively.
Figure 9.9 Calibration settings
Calibration time
Calibration time
Analog output remains held
(when output remains held)
<9. Calibration>
Hold (output
stabilization) time
F9.6E.ai
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
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