5-9
IM 01F06A00-01E
5. PARAMETER SETUP
5.4 Parameter Description
(1) Item A : Display
These items are for the indication of flowrate and total.
[A10:FLOW RATE(%)] Flow rate
Flowrate is displayed by “%” to span value.
[A20:FLOW RATE] Flow rate (Engineering unit)
Flowrate is displayed by engineering unit.
[A30:TOTAL] Total value
Total value of flowrate is displayed
The following item should be done in case of
which Option code /MV is selected and
analog output is “Temperature”.
[A40:TEMP(%)] Temperature value
The measured temperature value is displayed by “%” to span
value of temperature.
The following item should be done in case of
which Option code /MV is selected.
[A41:TEMPERATURE] Temperature value
The measured temperature value is displayed by engineering
unit.
(2) Item B : Easy Setting
These items are for the Principal items to operate
digitalYEWFLO.
A value in “( )” is the data corresponding to indicator.
[B10:FLOW SPAN] Flowrate span
Set the required span with a numerical.
A span setting is available up to 1.5 times of the
maximum flow velocity. However, range of
measurable flow velocity is as described in Table
9.5.2.
[B15:DAMPING] Damping time constant
Set damping time constant values from 0s to 99sec.
[B20:CONTACT OUT] Contact output
Select contact output.
T050401.EPS
OFF (0)
SCALED PULSE
(1)
UNSCALED PULSE (2)
FREQUENCY
(3)
ALARM (4)
FLOW SW
(LOW:ON)
(5)
FLOW SW
(LOW:OFF)
(6)
Scaled pulse output: Refer to “B21”
Unscaled pulse output: Refer to “B21”
Frequency output: Refer to “B22”
Alarm output: The status goes from close
to open (OFF) during alarming.
Refer to 5.5 Error Code Lists.
Status output: Refer to “B23”
Status output: Refer to “B23”
Item Description
[B21:PULSE RATE] Pulse output rate
Set output rate in a selection of SCALED PULSE or
UNSCALED PULSE.
SCALED PULSE OUTPUT:
When SCALED PULSE is selected in B20, set flowrate per
one pulse output. Rate unit is linking to the flow unit.
UNSCALED PULSE OUTPUT:
When UNSCALED PULSE is selected in B20, it output
number of vortex (vortex frequency) as a pulse-number,
which is detected from vortex shedder bar. (1.0 must be set
for this.)
The formula for output pulse number is as follows.
Output pulse number per one second = vortex number per
one second / PULSE RATE set number. Refer to 6.1.5 Unit
of Pulse Output (Scaling).
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