Rockwell Automation 1769-OF2 Compact I/O Analog Modules - Manual (Page 22)

Publication 1769-UM002B-EN-P - July 2005
1-8 Overview
Figure 1.6 1769-IF8 Block Diagram
CH0
CH1
CH2
CH3
Vin +
Iin +
V/I-
Com
Vin +
Iin +
V/I-
Com
Vin +
Iin +
V/I-
Com
Vin +
Iin +
V/I-
Com
CH4
CH5
CH6
CH7
Vin +
Iin +
V/I-
Com
Vin +
Iin +
V/I-
Com
Vin +
Iin +
V/I-
Com
Vin +
Iin +
V/I-
Com
Select
Select
Gain
AD
Converter
High
Impedance
High
Impedance
Gain
AD
Converter
Vref
CPU
Opto
Coupler
Opto
Coupler
Opto
Coupler
ASIC
CN2
(Out)
LED
CN1
(In)
DC/DC
converter
+15V
-15V
+5V
GND GND
+24V
EN0
A1
A0
EN1
EN1
31542-M