ICP DAS USA UA-5200 Series User Manual page 121

variable, then Condition is "Value" and can set the "Dead Band". The
(B) If select AIO
condition will be triggered and send the message when the detected value exceeds
the upper or lower Dead Band. (Below is a CO2 example. Detect per 500 ms)
AIO Trigger: (Detect per 500 ms. The yellow block means the Dead Band.)
1. Detect initial CO2 concentration 600 (ppm).
Set Dead Band=400 (Initial Trigger Condition: >= 1000 or <= 200)
2. Detect CO2 concentration 800. It is in the range of Dead Band.
3. Detect CO2 concentration 1100. It exceeds the upper value (>= 1000) of Dead Band,
so trigger a message for danger notification.
4. Detect CO2 concentration 1100. It is in the new range of Dead Band.
Dead Band=400 (New Trigger Condition: >= 1500 or <= 700)
5. Detect CO2 concentration 650. It is below the lower value (<= 700) of Dead Band,
so trigger a message for safety notification.
3. Trigger
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UA-5200 Series User Manual V4.3
5. Trigger
ICP DAS
Time(ms)