Riken Keiki OX-591, Руководство по эксплуатации

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１０．DEFINITION OF TERMS
External output signal
External output is as follows.
Gas Concentration signal output : current transfer model (4-20mA)
Alarm contact output
:① Gas alarm (AL1)
② Gas alarm (AL2)
③ Trouble alarm
Calibration
By using calibration (standard) gas etc, it seeks for instrument reading, display value or set value and true
value.
Maintenance mode
When make maintenance of this unit, shut off the alarm and the output of signal showing the maintenance
mode condition is displayed on the external output signal.
By this, the maintenance is carried out independently on this unit.
Press MODE switch for 3 seconds, and the maintenance mode starts.
nitial clear
The reading will be unstable for a few seconds after power on. In this moment to prevent the error of
running, the alarm contact shall be cut off. Then, signal output showing initial clear condition is given on
external output.
Alarm delay time
To prevent the alarm error by noise intruded from the outside, this is the function to suspend the running
temporarily.