Omron SYSMAC CJ1W-EIP21, Operation Manuals

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4-5
4 Determining IP Addresses
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
4-2 Setting
th
e IP Ad
dress
of the EtherNet/IP Unit
4
4-2-2 Setting IP Addresses
Use the Sysmac Studio to set the IP address of the EtherNet/IP Unit.
1
Select the setting method for IP addresses.
Set the IP address of the EtherNet/IP Unit in the Special Unit Setup that is registered in the Unit
Configuration of the Sysmac Studio.
Refer to 5-2 TCP/IP Settings Display for details.
2
Connect the Sysmac Studio to the NJ-series CPU Unit via a USB connection or the Ethernet
network.
3
Connect the Sysmac Studio online to the NJ-series CPU Unit. Refer to 4-2-3 Online Connection
for the procedure to connect online.
4
Use one of the following methods to download the IP addresses that were set on the Sysmac
Studio to the NJ-series CPU Unit.
• Go online with the Controller, and then select Synchronization from the Controller Menu.
The data on the computer and the data in the physical Controller are compared automatically.
• Click the Transfer to Controller Button.
Note Use the Synchronization Menu of the Sysmac Studio to upload and download data.
5
Restart the EtherNet/IP Unit.
Click the Restart Button in the Edit Special Unit Setup Dialog Box.
6
When the EtherNet/IP Unit restarts, check the status of the 7-segment display on the Ether-
Net/IP Unit.
If the 7-segment display goes out, goes through the test sequence, and then displays the IP
address, the EtherNet/IP Unit has recognized the new TCP/IP settings (the IP address in this
case).
7
IP address is reflected in the EtherNet/IP Unit as follows:
Setting a User-specified IP Address
After the IP address settings are downloaded, the set IP address is automatically saved in the
EtherNet/IP Unit.
Obtaining the IP Address from the BOOTP Server Each Time the Power Is Turned ON
After the data is downloaded, the IP address that was obtained from the BOOTP server is auto-
matically saved in the EtherNet/IP Unit. Each time the power supply is turned ON, the IP
address from the BOOTP server is automatically saved in the EtherNet/IP Unit.
4-2-2 Setting IP Addresses
Used to obtain the IP address from the BOOTP
server once and then not change it.
Used to obtain the IP address from the BOOTP
server each time the power is turned ON.
Used to set a user-specified IP address.