User’s Manual
49
PART 2 DA264
5. I/O Allocation and Programming
1 to 5V / 4 to 20mA range:
D/A conversion data
Output voltage/current
Hexadecimal
Integer
1 to 5 V
4 to 20 mA
Resolution
Upper limit
H337F
13183
+5.1196 V
+20.479 mA
:
:
:
:
Full scale (positive)
H3200
12800
+5 V
+20 mA
:
:
:
:
H0001
1
+1.0003125 V
+4.00125 mA
0
H0000
0
1 V
4 mA
:
:
:
:
Lower limit
HF380
-3200
0 V
0 mA
0.3125 mV / bit
1.25
µ
A / bit
4 to 20mA range:
A = 1.25
×
D + 4000
D: Digital data
A: Analog signal (
µ
A)
1 to 5V range:
A = 0.3125
×
D + 1000
D: Digital data
A: Analog signal (mV)
H8000
-32768
0
H7FFF
32767
Analog output value
H3200
12800
Digital data
+5V
(+20mA)
+1V
(+4mA)
HF380
-3200
H337F
13183
+5.1196V
(+20.478mA)
Lower limit
Upper limit
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]