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Analog I/O Modules (AD268 / DA264 / TC218)
5. I/O Allocation and Programming
PART 1 AD268
0 to 10V range:
A/D conversion data
Input voltage
Hexadecimal Integer
Resolution
Upper limit +10.2 V H7F80 32640
:: :
Full scale (positive) +10 V H7D00 32000
:: :
+0.3125 mV H0001 1
0 0 V H0000 0
0.3125 mV / bit
D = 3200 × A
D: Digital data
A: Analog signal (V)
0
H3FFF
16383
Analog input
+5.1196V
Digital value
+10.2V
H7D00
32000
-10.2V
+10
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