Omron SYSMAC C Series User Manual page 66

System expansion and peripherals
= nan TA
E a
hM
(83G2A5-RM001-
A-10
Rack No. 0
System example 3
In this system, the remote i/O master unit is connected to a C500 so that
this PC can transmit and receive data to/from the C20 at a remote
location.
SYSBUS (optical-fiber cable) SYSBUS (optical-fiber cable)
C500 remote I/O pester unit
= i;
c20 VO link C20 CPU C20 expansion
C20 1/0 link
unit VO unit unit
(8G2C7-LK011) {3G207-
(channels 28 and 29) LKO11)
(channels 30
and 31)
Protective cap
Explanation
In this example, channels 0 to 27 have been automatically assigned to the
C500, which has a remote I/O master unit installed.
This nearest C20 is "C20 (A)" in the figure.