Intelligent Technologies (IT.) D77A I/O Module Products
12 For more information visit: www.EatonElectrical.com MN05002001E
Figure 6: Analog Input Curves
a) 0-5V Range Setting
b) 1-5V Range Setting
c) 0-10V Range Setting
d) 0-20mA Range Setting
e) 4-20mA Range Setting

14 Bit Resolution Equations

Vdc = Voltage input value
mA = Current input value
N = Decimal value
0-5 Vdc, 1-5 Vdc
•Vdc = (1/6241.2) x N
0-10 Vdc
•Vdc = (1/3120.6) x N
4-20 mA, 0-20 mA
•mA = (1/1560.2) x N
5.25V5V
0V
0
32766
31206
21mA20mA0mA
0
5.25V5V
0V
0
32766
31206
32766
31206
10.5V10V
0V
0
1V
0.5V
6242
3120
21mA20mA0mA
0
32766
31206
32766
31206
4mA
6242
4992

(A)

(D) (E)

(B) (C)

D77A-031
3.2mA