17 Ethernet Option Board
17-10
CP1E CPU Unit Software User’s Manual(W480)
To make the settings of the Ethernet Option Board, firstly, it is necessary to set the serial communica-
tions settings of the CPU Unit. It can be set by the following two methods.
1. Set by the USB port of the CPU Unit
2. Set by the Ethernet port of the Ethernet Option Board
For details on the method of connecting the CX-Programmer to the Ethernet option port, refer to 17-6
Connection Method with the CX-Programmer.
Connect the CX-Programmer to the CPU Unit, and then change the PLC Settings as follows.
Serial Option Port Tab Page
Precautions for Correct UsePrecautions for Correct Use
When the Ethernet Option Board is applied on the CP1E CPU Unit, it is necessary to set the
baud rate to 115,200 and the mode to Host Link.
At the following settings, ERR LED of the Ethernet Option Board will be flashing.
Check and change the settings. (It is possible to change settings either by USB or by Ethernet.)
• Baud rate: 9,600
• Unit number: 0
However, except the settings mentioned above, ERR LED will be lit if the communications is impos-
sible between the CPU Unit and the Ethernet Option Board. Check and change the settings.
If setting the mode to Host Link and the baud rate to any value except 9,600 or 115,200, the
CP1E CPU Unit cannot be connected with Ethernet. Change the PLC Settings by USB.
Serial Communications Settings of the Option Board
Parameter Setting
Communications Settings Select the Custom option, set the baud rate to 115200 and the format to 7,2,E.
Mode Select Host Link (default) or Host Link.
Unit Number Select 0.
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