Example – Cooper Instruments & Systems DFI INFINITY Digital Force Indicator/Controller User Manual
Page 33

These calculated scale factors are the numbers that your meter would display if you connected a signal source.
You must complete the procedure for preparing your meter for scaling as described in Section 8.4.1. Failure to
complete this procedure will result in erroneous readings.
INPUT SIGNAL
LOW VALUE
HIGH VALUE
0-20 mA
000000
020000
4-20 mA
000000
020000
±50 mV
–50000
050000
±500 mV
–50000
050000
0-20 mV
000000
020000
0-30 mV
000000
030000
0-50 mV
000000
050000
0-100 mV
000000
100000
0-1 V
000000
100000
0-5 V
000000
050000
1-5 V
010000
050000
1-6 V
010000
060000
0-10 V
000000
100000
0-50 V
000000
050000
0-100 V
000000
100000
±5 V
–50000
050000
±50 V
–50000
050000
Figure 8-1. Factory Calculated Scale Factors
For the purpose of this procedure, we will use an input of 0-50 mVdc and scale the meter to display 0 to 2500.0.
The calculated scale factors can now be used to scale your meter to display in engineering units using Input Scale
and Offset (“IN.SC.OF”) as follows:
Record your “INPUT1” and READ 1" numbers, and your “INPUT2” and “READ 2” numbers, record them below and
proceed as follows:
Example
INPUT1 =
000000.
READ 1 =
000000.
INPUT2 =
050000.
READ 2 =
025000.
PRESS
THEN PRESS
(TO CHANGE
IF REQUIRED)
UNTIL
DISPLAY
SHOWS
COMMENTS
‘MENU’
“IN.SC.OF”
Press the ‘MENU’ button until the display shows “IN.SC.OF” Input
Scale and Offset.
‘MIN’
“INPUT1”
Press the ‘MIN’ button and the display will show “INPUT1”.
‘MIN’
“XXXXXX”
Press the ‘MIN’ button and the display will show some 6-digit
number.
‘MAX’
‘MIN’
“000000.”
Using the ‘MAX’ button to change the value of the flashing digit
and the ‘MIN’ button to scroll to the next digit to the right, enter
your “INPUT 1” number on the display.
‘MENU’
“READ 1”
Press the ‘MENU’ button and the display will show “READ 1”.
‘MIN’
“XXXXXX”
Press the ‘MIN’ button and the display will show some 6-digit
number.
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M1291/N/0403 11279ML-02 Rev. A