Detect and control switching signals with OPC DA

Configuring Web-IO for access via OPC DA

For access via OPC DA to take place, the Web-IO must already have an IP address.

• To change the configuration of the Web-IO you first need to obtain the necessary access rights by entering the administrator password.

  

• First check whether all the IP parameters are correctly configured. Especially when the FTP server is addressed using a host name it is important that both the gateway and the DNS server are entered. To do this, in the menu tree select Basic settings >> Network and there Basic network settings.

  
  
  

• All the configuration changes must be confirmed using the Apply button.

• To configure FTP access to to the menu tree and select Communication channels >> FTP.

  
  
  

• Enter the access data for the FTP server.

• In the menu tree click on Actions and then on the Add button.

  

• Assign a meaningful name for your action and select the trigger for writing using FTP.

• As the action select FTP Message and configure FTP file name and FTP text (if needed also for the Clear message. In the FTP text move the cursor to the end of the line by pressing the Enter key. Now each entry in the file will be in its own line. The <t> tag is replaced with date and time when writing to the file.

Once these steps are completed, any changes in the connected switching states are collected in one or more files chronologically.