20
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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