Block Diagram - Protech Systems SI-W309 User Manual

8 channels digital input and 8 channels digital output i/o module
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2.5 Block Diagram

9~50V
DC / DC
GND
Converter
Data
RS-485
Isolation
SI-W309 SERIES USER MANUAL
+5V
EEPROM
MCU
Chapter 2 Getting Started
Page: 2-8
DO_PWR
DO_7
DO_0
DO_GND
DO_PWR
DI_7
DI_0

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