Chapter 9 User interfaces
Universal inputs
(4-20 mA mode 2/2)
4-20 mA
(2/2)
Overflow
Handling
measurement
range
violations
Ignore
The measured value is calculated beyond the
range limits.
Silent cutoff
The measured value is cutoff at the range
limits.
Overflow
l
If the measured value is below 3.9 mA,
the error value "OL" (open loop) is
issued.
l
If the measured value is above
20.1 mA, the error value "SC" (short
cut) is issued.
NAMUR
borders
l
If the measured value is below 3.6 mA,
the error value "OL" (open loop) is
issued.
l
If the measured value is below 3.9 mA,
the error value "UF" (under flow) is
issued.
l
If the measured value is above
20.1 mA, the error value "OF"
(overflow) is issued.
l
If the measured value is above 21 mA,
the error value "SC" (short cut) is
issued.
NivuLog Easy - Rev. 05 as of 02.07.2012
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