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Connecting to the Network via a CS/CJ-series PLC
A-1
Connecting to the DeviceNet Network
The Network Configurator can be connected online to the DeviceNet network via a serial communications
port on a CS/CJ-series CPU Unit or via a CS/CJ-series Ethernet Unit, as shown in the following figure. This
section describes the procedure.
Refer to 2-3 Connecting to the Network (page 32) to the network via the USB port on the NE1A-SCPU01 and
a DeviceNet Interface Card installed in the computer.
1.
Connect the COM port on the computer to a serial communications port on the CS/CJ-series CPU Unit
(i.e., the peripheral port or the RS-232C port) or a Serial Communications Board/Unit (i.e., a RS-232C
port or a RS-422A/485 port) using a peripheral bus (ToolBus) or Host Link connection.
To connect to the DeviceNet network, the PLC must have a CS/CJ-series DeviceNet Unit (i.e., the
CS1W-DRM21(-V1) or CJ1W-DRM21).
The DeviceNet can be connected to crossing multiple network layers (3 layers max.) using serial com-
munications, as shown in the following figure.
2.
Connect the Ethernet port of the computer to a CS/CJ-series Ethernet Unit.
To connect to the DeviceNet network, the PLC must have a CS/CJ-series DeviceNet Unit (i.e., the
CS1W-DRM21(-V1) or CJ1W-DRM21).
A-1 Connecting to the DeviceNet Network
Serial Connection (ToolBus or Host Link)
CS/CJ-series
DeviceNet Unit
DeviceNet network
COM-Port
Controller Link Unit
Serial Connection
(ToolBus or Host Link)
Controller Link network
Across network layers
Network Configurator
Ethernet port
Ethernet network
Network Configurator
COM-Port
Serial communications port (peripheral port or
RS-232C port) of the CS/CJ-series CPU Unit or
serial communications port (RS-232C port) of a
Serial Communications Board/Unit
Network Configurator
Controller Link Unit
CS/CJ-series DeviceNet Unit
DeviceNet network
CS/CJ-series
CS/CJ-series
Ethernet Unit
DeviceNet Unit
DeviceNet network
CPU Unit
135
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