![background image](http://html.mh-extra.com/html/toshiba/ad268/ad268_user-manual_427121024.webp)
22
Analog I/O Modules (AD268 / DA264 / TC218)
5. I/O Allocation and Programming
PART 1 AD268
1 to 5V / 4 to 20mA range:
Input voltage/current
A/D conversion data
1 to 5 V
4 to 20 mA
Hexadecimal
Integer
Resolution
Upper limit
+5.1196 V
+20.479 mA
H337F
13183
:
:
:
:
Full scale (positive)
+5 V
+20 mA
H3200
12800
:
:
:
:
+1.0003125 V
+4.00125 mA
H0001
1
Lower limit
1 V
4 mA
H0000
0
0.3125 mV / bit
1.25
µ
A / bit
4 to 20mA range:
D = 800
×
A - 3200
D: Digital data
A: Analog signal (mA)
1 to 5V range:
D = 3200
×
A - 3200
D: Digital data
A: Analog signal (V)
0
Analog input value
+5.1196V
20.479mA
Digital value
+10.2V
-10.2V
Upper limit
Lower limit
+5V
20mA
H3200
12800
H337F
13183
1V
4mA
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]