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22
Block Diagrams
Section 3-1
3-1
Block Diagrams
The following block diagrams are for Units available in Wired Remote I/O
Systems.
C500 Master and Slave
PC
interface
Bus
controller
Trans-
mission
interface
CPU
Common
RAM
C120,
C500,
C1000H,
or
C2000H
CPU Unit
System
ROM
I/O
interface
DC-DC
converter
Indica-
tors
Switches
Master
PC I/O
interface
Trans-
mission
interface
CPU
System
ROM
I/O
interface
DC-DC
converter
DIP
switch
Slave
Work
RAM
Relay
output
2-conductor
cable
Switches
RUN output
Indicators
RS-485
interface
RS-485
interface
Backplane