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6． Band
Alarm when the absolute value of deviation (= | PV - SV |) is smaller than the alarm setting value
Figure 5-13 Schematic diagram of the band
Alarm, Waiting for the alarm and Wait for the second alarm
1． When turn on , the basic alarm, that is, the alarm without the waiting function, will be triggered, as
shown in figure 5-14.
Figure 5-14 Schematic diagram of the wait without the deviation low alarm
2． Waiting alarm is a waiting function added to the basic alarm, that is, the alarm triggered by the
measured value when the power is connected is ignored until the measured value triggers the next
alarm, as shown figure 5-15.
Figure 5-15 Schematic diagram of the lower limit of wait with the deviation low alarm
3． Waiting for the alarm again is to wait one more time on the basis of waiting for the alarm, that is,
ignore the alarm triggered by the measured value when the power is connected (waiting) and the
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