5: F UNCTION AREA S ETTINGS5-10 WEB S ERVER CPU MODULE U SER ’S M ANUAL FC9Y-B1278Connection SettingsThis section describes the configurations for client/server connections of the Web server CPU module.ApplicationsThe Web server CPU module supports Ethernet communication functions with a maximum of 11 server connections anda maximum of three client connections. Using those connections, maintenance communication, user communication,and Modbus TCP communication can be used. Those communications can be configured in the Function Area Settingsdialog box.Description of functionsThe Web server CPU module has a maximum of three connections for the maintenance communication server asstandard. WindLDR on a PC can monitor, download, or upload the user program using the standard maintenancecommunication server.In addition to the standard maintenance communication server, the Web server CPU module has eight serverconnections that can be used for maintenance communication, user communication, or Modbus TCP communication.Even when the maintenance communication is configured for additional server connections, the user program cannot bedownloaded or uploaded through those server connections. When Modbus TCP is configured, the same port number canbe configured in multiple server connections so that multiple Modbus TCP clients can access the Web server CPU modulethrough the same port.To limit the access to the Web server CPU module, IP address flittering can be used. By specifying the IP address that canaccess the Web server CPU module, anonymous access can be limited.Programming WindLDR1. Select Configuration from the WindLDR menu bar, and then click Connection Settings.The Function Area settings dialog box appears.2. Configure maintenance communication server, server connections, or client connections.Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
