Manual

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 page 156 .
Optos
Mux
Mux
Backplane
ASIC
Serial
EEPROM