Omron SYSMAC CS1W-ETN21 Operation Manual page 275

Ethernet Unit Web Function Appendix G
1. Connect to the Ethernet Unit from the Web browser.
In this example, the URL is specified as http://192.168.250.1/0 using the Ethernet Unit's default IP address.
2. Select Settings from the menu on the left side of the window to display the Settings Menu.
3. Select 1. IP address and Protocols - System to display the Login Password field on the right of the window.
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