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CHAPTER 8 FUNCTION
8
8.9 Shift Function
(4) Setting example of when both the scaling function and shift function are used
Ex.
When the following settings are used for a channel with output range of 0 to 5V:
•"CH Scaling enable/disable setting": "0: Enable"
•"CH Scaling upper limit value": 9000
•"CH Scaling lower limit value": 3000
•CH Shifting set value (RWw6 to RWw9): -25
The digital value is as follows:
Analog output
voltage (V)
Digital value
Digital value + Shifting set
value
Value after scaling
0 3025 3000 0
1 4225 4200 2400
2 5425 5400 4800
3 6625 6600 7200
4 7825 7800 9600
5 9025 9000 12000
Add the shifting set value.
Scale conversion
Digital value
1) Digital value
(before adjustment)
2) Digital value + Shifting set value
(after adjustment)
3) Scale converted value
1) Digital value
(before adjustment)
5
0 12000
0
30253000 9000 9025
Analog output voltage (V) Add the shifting set value.
2) Digital value +
Shifting set value
(after adjustment)
3) Scale
converted
value