23
Block Diagrams
Section 3-1
C200H Master and Slave
RS-485
interface
Trans-
mission
interface
DC-DC
converter
C200H
Backplane
CPU
Data
memory
Power
section
Slave
System
memory
Work
memory
I/O
interface
Indicators
RS-485
interface
Trans-
mission
interface
DC-DC
converter
C200H,
C200HX,
C200HG,
C200HE,
or
C200HS
CPU Unit
CPU
Master
System
memory
Work
memory
I/O
interface
Indicators
Switches
C200H PC
interface
Indicators
Switches
C200H PC
interface
2-
conductor
cable
RUN output
Power supply
X