Allen-Bradley 1756-IR12 - Page 94

94 Rockwell Automation Publication 1756-UM540E-EN-P - December 2017
Chapter 5 1756-OF8I Isolated Analog Output Module
Figure 27 - 1756-OF8I Module Field-side Circuit with Current Output
Figure 28 - 1756-OF8I Module Field-side Circuit with Voltage Output
RTN-x
+V
OUT_x/V
D/A Converter
OUT_x/I
0.047 µF0.0022 µF
46 Ω
Current
Amplifier
Iout
-13V
Current
Output Device
0…1000 Ω
5V Vref
Power
Supply
RTN-x
+13V
OUT_x/V
D/A Converter
Gnd_x
5V Vref
OUT_x/I
4640 Ω
0.047 µF0.0022 µF
21 Ω
Voltage
Amplifier
Vout
Vsense
-13V
Voltage
Output Device
>1000 Ω