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Analog I/O Modules (AD268 / DA264 / TC218)
5. I/O Allocation and Programming
PART 2 DA264
0 to 5V / 0 to 20mA range:
D/A conversion data
Output voltage/current
Hexadecimal
Integer
0 to 5 V
0 to 20 mA
Resolution
Upper limit
H3FFF
16383
+5.1196 V
+20.479 mA
:
:
:
:
Full scale (positive)
H3E80
16000
+5 V
+20 mA
:
:
:
:
H0001
1
+0.3125 mV
+0.00125 mA
0
H0000
0
0 V
0 mA
0.3125 mV / bit
1.25
µ
A / bit
0 to 20mA range:
A = 1.25
×
D
D: Digital data
A: Analog signal (
µ
A)
0 to 5V range:
A = 0.3125
×
D
D: Digital data
A: Analog signal (mV)
Analog output value
0
H3FFF
16383
Upper limit
+5V
(+20mA)
H7FFF
32767
H8000
-32768
+5.1196V
(+20.478mA)
H3E80
16000
Digital data
Lower limit
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