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4.0 R EVIEWING
THE
F RONT B UTTONS
AND
D ISPLAY
8.8.8.8.8.8
PAR
KEY
PAR
?
?
DISPLAY MODE OPERATION
Access Programming Mode
No Function
Front Panel Reset
PROGRAMMING MODE OPERATION
Store selected parameter and index to next parameter
Increment selected digit of parameter value
Select digit position in parameter value
5.0 S CALING
THE
M ETER
In many industrial applications, a meter is required to totalize the output of an
operation or event. The pulses from a sensor are received by the PAXLC, and
then totalized on the display. In many cases the incoming pulses do not represent
the desired display readout. For those applications, a scale factor can be entered
into the meter, scaling the pulses to obtain the desired readout. The following
formula will help provide the scaling values to achieve the desired readout.
SF = DR
EPU
WHERE:
SF = Scale Factor
DR = Desired Readout* (Single unit of measure, i.e. foot, gallon, etc.)
EPU = Existing Pulses per Unit (Number of pulses per single unit of
measure, i.e. foot, gallons, etc.)
*For applications requiring a decimal point, select and program the
appropriate decimal point. When calculating the Scale Factor, use the whole
value of the number to be displayed, for example, 1.0 feet, the Desired
Readout in this case is 10. Do not use decimal points in the Scaling Formula.
For calculated SF values less than 9.99999
If the Scale Factor is a value less than 9.99999, it can be entered directly
into the meter as the Scale Factor and the Scale Multiplier can be left at 1.
For calculated SF values greater than 9.99999
If the Scale Factor is a value over 9.99999 (maximum value), the Scale
Multiplier must be used to reduce the calculated SF value until it is less then
9.99999. The Scale Multiplier multiplies the calculated Scale Factor value by
1, 0.1, and 0.01, thus reducing the calculated value accordingly. Select the
appropriate Scale Multiplier value that allows the Scale Factor to be a value
under 9.99999. Both the Scale Factor and Scale Multiplier can then be
entered into the meter.
6
Example 1:
This application involves counting cases from a production line. The sensor
provides a pulse for every can produced. The desired readout is in cases,
therefore the incoming pulses need to be converted to obtain the proper readout.
The following is used to calculate scale factor.
SF = DR
EPU
DR = 1 case
EPU = 12 cans/case
SF = 1
12
SF = 0.083333
Since the Calculated Scale Factor Value is less than 9.99999, it can be
entered directly into the meter. The Scale Multiplier can be left at 1.
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相关PDF资料
CUB7P120
COUNTER 8-DIGIT VOLTAGE RED
5652F1-5V
LED RED T1 QUAD RT ANG 5V PCB
FXO-HC526R-125
OSC 125 MHZ 2.5V HCMOS SMD
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LED T-1 28V .100" BI-PIN BASE
CUB7P110
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