Siemens SITRANS F M Intermag 2, Руководство по эксплуатации

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Operation
5-13
SITRANS FM Intermag 2 Flow Transmitter
Operating Manual - A5E00102775-03
Menu
code
Device function,
Parameters Description Factory setting
(display only) Setting options
3.1.5 Direction
3.1.5.1 Flow Direction Main flow direction related
to direction arrow on
measuring tube
(= forwards, positive flow
values) +Direction +Direction,
-Direction
3.1.5.2 Meas.Direction Output of suppression of
reverse flow
Affects all outputs,
totalizers and display. forw.+rev. forward only,
forw.+rev.
3.1.5.3 Hysteresis Hysteresis of detection of
flow direction in % of full
scale value 0.2 % 0 to 20 %
3.1.6 Low flow cut Threshold for low flow cut
in % of full scale value
1, 2
or absolute value in flow
unit
3
1 % 0 to 20 %
3.1.7 Noise filter
3.1.7.1 Fltr.Time Con. Time constant τ for
measured value
attenuation; after a jump in
the measuring variable,
the output measured value
reaches about 99% of the
new setpoint after 5*
τ
Does not affect totalizers.
3.00 s 0.0 to 200.0 s
3.1.7.2 Line Synchron. Synchronization of the
measuring cycle for
frequency of the power
supply to suppress mains
frequency noise Auto mode On, Off,
Auto mode
3.1.7.3 Noise Suppress
Suppress Time
Suppress Limit
Values outside a tolerance
range are evaluated for
the duration of the
blanking time with high
attenuation.
Time of effect of increased
attenuation
(0 s = blanking off)
Tolerance range =
floating a
tolerance value
0 s
0 %
0 to 100 s
0 to 100 %