Description
3.4 Theory of Operation
FUS1010 IP65 NEMA 4X & IP66 NEMA 7
30 Operating Instructions, 01/2013, A5E02951520-AC
4-Path
4-Path flow meters use four measurement channels to achieve a single output via a "virtual"
third channel. The resultant data is the average of the four channels.
① ④ Sensor Path 1 Sensor Path 4r
② Sensor Path 2 ⑤ Average= (Path 1 + Path 2 + Path 3 + Path 4) / 4
③ Sensor Path 3 ⑥ Pipe (front view)
Channel 1+2 and Channel 1-2
Arithmetic operation produces data output via a virtual Channel 3, proportional to the sum or
difference of the liquid and energy flow of two independent pipes. This requires setting the
two channels to operate independently. Only clamp-on or in-line transit-time operation is
supported.
① ⑤ Upstream Sensors Output sum or difference of CH 1 & CH 2
② Downstream Sensors ⑥ Channel 2
③ Channel 1 ⑦ Pipe B (front view)
④ CH 1 [+/-] CH 2 ⑧ Pipe A (front view)
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