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Overview Section 6-1
Note 1. The DeviceNet Unit must be registered in the local network routing table of
the CS/CJ-series PC when two or more Communications Units (including
the DeviceNet Unit) are mounted to a CS/CJ-series PC. The commands
will not be sent if the Unit is not registered in the routing tables.
2. For DeviceNet networks connected to a CS/CJ-series DeviceNet Unit,
message communications can be conducted between networks, including
other DeviceNet networks as well as Controller Link, SYSMAC LINK, and
Ethernet networks. Up to three levels of networks can be crossed. Routing
tables (containing local network tables and relay network tables) must be
registered in the CPU Units of each PC on the network.
Note FINS commands sent and received by the CS/CJ-series DeviceNet
Unit include commands addressed to the CS/CJ-series CPU Unit
and commands addressed to the CS/CJ-series DeviceNet Unit.
FINS message communications is possible between two PCs with CS1W-
DRM21 or CJ1W-DRM21 DeviceNet Units.
FINS messages cannot be sent or received for PCs with C200H-series
DeviceNet Master Units (C200HW-DRM21-V1) or CVM1/CV-series
DeviceNet Master Units (CVM1-DRM21-V1). Explicit messages, however, can
be received from these PCs.
The following table outlines which CPU Unit support for FINS message com-
munications.
Up to 3 network levels, including DeviceNet, can be crossed.
Controller Link Unit
Controller Link Unit
CS/CJ-series DeviceNet Unit
CS/CJ-series CPU Unit
Remote I/O communications
Controller Link
DeviceNet
CS/CJ-series DeviceNet Unit
DeviceNet
CS/CJ-series DeviceNet Unit
CPU Unit
sending
message
Mounted
DeviceNet
Unit/
DeviceNet
Master Unit
FINS message CPU Unit in receiving message
CS
Series
CJ Series CS
Series
C200HX/
HG/HE
CVM1/CV
Series
Instructions
to send/
receive data
Instructions
to execute
any FINS
command
CS1W-
DRM21
CJ1W-
DRM21
C200HW-
DRM21-
V1
C200HW-
DRM21-
V1
CVM1-
DRM21-
V1
CS Series CS1W-
DRM21
SEND/RECV CMND Can receive Cannot
receive
Cannot
receive
Cannot
receive
CJ Series CJ1W-
DRM21
CS Series C200HW-
DRM21-V1
Not supported IOWR Cannot receive Can
receive
Can
receive
Can
receive
C200HX/HG/
HE
C200HW-
DRM21-V1
Not supported IOWR Cannot receive Can
receive
Can
receive
Can
receive
CVM1/CV
Series
CVM1-
DRM21-V1
SEND/RECV CMND Cannot receive Can
receive
Can
receive
Can
receive