Emerson IFT9701 用户手册
Model IFT9701 Transmitter Instruction Manual
51
Configuration with ProLink II Software
continued
Co
nfig
nfig
uratio
n wit
h
Co
mm
mm
u
n
ic
ato
r
T
ro
u
b
lesho
ot
ing
ing
Con
fig
ur
atio
atio
n
w
ith
Pr
oL
in
ith
Pr
oL
in
k
II
Flo
w
meter Star
tup
To configure the pulse output:
1. From the ProLink menu, click on Configuration.
2. Click on the Frequency tab. The Frequency panel appears, as shown in Figure 7-3.
Figure 7-4
Configuration window – Frequency panel
3. The pulse output produces a frequency proportional to the flow rate. Pulse output scaling
requires entry of frequency and flow rate values. To scale the pulse output:
a.
In the text box labeled Freq Factor, enter a value for the frequency in pulses per second
(Hertz) that corresponds to the maximum flow rate.
(Hertz) that corresponds to the maximum flow rate.
b.
In the text box labeled Rate Factor, enter the maximum value of the flow rate. The entered
value corresponds to the frequency that was entered in the Freq Factor text box.
value corresponds to the frequency that was entered in the Freq Factor text box.
7.3
Calibration procedures
Calibration procedures include zeroing and flow calibration.
7.3.1
Auto zero
Flowmeter zeroing establishes flowmeter response to zero flow and sets a baseline for flow
measurement.
measurement.