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Showing results for tags 'web'.
OK, I am stuck, and to be honest I have no idea why I am stuck. All I want to do is request a web page from a web server. Specifically, I have created a PHP page that will return the string "OK" when called. I am using this page for the PLC to report that it has an error. Inside the PHP, I will use the parameters to identify the PLC and the error. This should be easy, Right? I have configured my port and my TCP/IP configuration to socket 3, port 504. I issue a TCP/IP connect to the server (IP is correct, port is 80), and it appears to connect. I then issue a TCP/IP Send to send the GET /u
I have been tasked with developing a centralized server that will communicate with many Samba PLCs around the world. Specifically, I need to ensure that the server can contact any PLC and 1) get a copy of the current values or 2) instruct the PLC to change a value. I want to ensure that the PLCs only communicate with the server, no other computers. The data itself is not considered secret, so the fact that VisiLogic does not appear to offer encryption is not a problem. But, it is critical that only the server be allowed to update PLC values. It is simply unacceptable that another person c
Hello, I am using the Enhanced Web Server on a V350. I have developed some pages but I would like to have a page showing some variables and get it updated every 1 second approximately. The 'meta' option described on the documentation will load the entire page. I would prefer lo refresh only the content of the variables, no other texts like labels, images,... How can I do this? Any example?
I know it's possible with the Advanced Web Server to download a file from the SD to the PC via web explorer. Now I have a finished application where the customer needs to download the CSV without use the SD Card Explorer. Copy and paste all the application to the .vlp with the embedded webserver is a task for titans but I don't know how to start to make a simple application to download a CSV. It will be about chunks... Anyone can help me? Project: A PLC with IP 192.168.1.201 and a CSV called test. Download from internet explorer: http://192.168.1.201/EXCEL/TEST.CSV