Ashcroft GC35 - Pressure Sensor Manual de usuario Pagina 12

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I
ndication Scaling
I
n (Display setting), when (indication scaling) is selected, arbitrary scaling value, based on the
applied pressure, can be displayed on the unit. This feature can scale the display value based on
t
he minimum and maximum pressures within the rated pressure range, and will not affect the ana-
l
og or switch output.
Decimal Point Placement
0 No decimal point
0
.0 One digit after decimal point
0.00 Two digits after decimal point
0.000 Three digits after decimal point
Analog Output Scaling (This menu is not available for 2 comparators option)
This function sets analog output for pressures corresponding to zero point (4mA dc) and span
point (20mA DC) in percentage figures (When pressure range is set to 0.0~100.0%F.S.)
Analog output under zero point pressure
After
a-L is displayed for one second, current analog output under zero point (4mAdc) value in
percentage figure (When pressure range is set to 0.0~100.0%F.S.) is displayed. Use key or
key to set pressure value in percentage figure.
Analog output under span point pressure
After
a-X is displayed for one second, current analog output under span point (20mAdc)
value in percentage figure (When pressure range is set to 0.0~100.0%F.S.) is displayed.
Use key or key to set pressure value in percentage figure.
Example 1)
Example 1) Pressure range 0.00~1450 psi (0.0~100.0%F.S.) corresponding to analog output of
4~20mA dc is scaled to pressure range 0.00~1,423 psi (0.0~98.1%F.S.) corresponding to analog
output 4~20mA dc.
Initial value (No change
in this example)
Pressure value for analog output zero point:
0.0
0.0 (%F.S.)
Pressure value for analog output span point:
100.0 ————————
98.1 (%F.S.)
Example 2) Example 3)

PRESSURE RANGE (%F.S.)
ANALOG OUPUT (mA dc)
-100 -50 0 50 100 150
20
16
12
8
4
PRESSURE RANGE (%F.S.)
ANALOG OUPUT (mA dc)
-100 -50 0 50 100 150
20
16
12
8
4
PRESSURE RANGE (%F.S.)
ANALOG OUPUT (mA dc)
-100 -50 0 50 100 150
20
16
12
8
4
Key to select
Key to select
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