Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual
Page 155
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Publication 1756-UM009C-EN-P - December 2010
155
Non-isolated Analog Output Modules (1756-OF4 and 1756-OF8) Chapter 7
1756-OF8 Module Block Diagram
DC-DC
Converter
16-bit D/A
Converter
RIUP
Circuit
43510
16-bit D/A
Converter
Vref
Optos
Micro-
controller
FLASH
ROM
SRAM
System
+5V
Field Side
Backplane Side
DC-DC
Shutdown
Circuit
Channels 0 - 3
Channels 4 - 7
Details of the 1756-OF8 output
circuitry are on
Optos
Mux
Mux
Backplane
ASIC
Serial
EEPROM
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