Xylem Magflux Electromagnetic Flow Meter User Manual

Page 117

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117

Electromagnetic Flow Meter

FW: 842018/842009

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Question:
I have an "Empty pipe" indication, but the pipe is not empty!
Answer:
There aren't any grounding rings, or the rings have not been properly

grounded. See examples on page

23

.

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Question:
I can't set the counter to the required output, only to a value that

is higher. Why is that?

Answer:
The measuring range does not support a sufficient number of pulses at

100% flow. The solution is to adjust the mA output to a lower flow and
to keep in mind that the max. flow is not exceeded (

≤ 20 mA).

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Question:
I do not understand the language on the display. What's wrong

and how do I fix it?

Answer:
For example lightning and a too noisy environment can have caused

the problem.

The solution is to perform a system reset by pressing all four display

keys simultaneously. The default language, English, will consequently
be the display language (that you can change to your native language if
required).

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Question:
Can I always allow up to 50 meters between the sensor and the

converter?

Answer:
It really depends on the cabling and the amount of electrical noise in

the vicinity. Avoid running in parallel with high voltage and other power
lines. If that is not possible, the converter must be installed closer to
the sensor.

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