Use module block and input circuit diagrams – Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual
Page 104
104
Publication 1756-UM009C-EN-P - December 2010
Chapter 5 Sourcing Current Loop Input Module (1756-IF6CIS) and Isolated Analog Voltage/Current Input Module (1756-IF6I)
Use Module Block and
Input Circuit Diagrams
This section shows the 1756-IF6CIS and 1756-IF6I modules’ block diagrams
and input circuit diagrams.
1756-IF6CIS and 1756-IF6I Module Block Diagram
DC-DC
Converter
A/D Converter
RIUP
Circuit
43500
DC-DC
Converter
Vref
Optos
Micro-
Controller
Backplane
ASIC
Serial
EEPROM
FLASH
ROM
SRAM
System
+5V
Field Side
Backplane Side
DC-DC
Shutdown
Circuit
Vref
A/D Converter
Optos
+/- 15V
+ 5V
+/- 15V
+ 5V
Details of the 1756-IF6CIS
and 1756-IF6I modules’
input circuitry are given
on
DC-DC
Converter
Vref
A/D Converter
Optos
+/- 15V
+ 5V
3 of 6 Channels
= Channel Isolation
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