Omron DeviceNet CV Series Operation Manual page 21

Overview of DeviceNet
Free Remote I/O
Allocation
OMRON Master Unit
Node
00
Handle Slaves with
Different Response
Speeds
Easily Expand or Change
Lines with Various
Connection Methods
4
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A Configurator (sold separately) can be used to enable flexible allocation of I/
O, i.e., in any area and in any order. This allows I/O allocations that suit the
application to simplify programming and enable effective usage of PLC mem-
ory areas.
Output Area
Input Area
Node 01
Node 04
Node 03 Node 02
Node 00
Node
Node Node
01
02 03
A Configurator (sold separately) can be used to set the communications cycle
time, enabling usage of Slaves with slow response times.
OMRON Master Unit
Remote I/O communications at a set interval
Use a multi-drop trunk line, T-branch multi-drop lines, or daisy-chain drop
lines. All three connection methods can be combined to flexibly construct a
network that meets the needs of the application.
Multi-drop trunk line
Node
04
Set the communications cycle time.
T-branch multi-drop line
Drop line
Section 1-1
OMRON
Configurator
OMRON
Configurator
Trunk line
Daisy-chain
drop line