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Showing results for tags 'server'.
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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 -
Hi. I have a V570 that collects temperature readings and stores those on SD card. PLC itself is connected to local network and so is RaspberryPi that is supposed to work as a web server, that on request grabs that datatable from plc, makes it into nice graph and shows it to client. The thing is that currently when my RP tries to run the test code(below), it says that it is unable to connect to PLC with that unitID. In my PLC settings I have set unitID to 0. When I run same code on my PC, it works like it is supposed to. Thanks in advance. using System; using Unitronics.ComDriver; namespace
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Does anyone have a simple working example of the TCP RAW Send or TCP/IP Send? Im basically trying to simulate an HTTP Request to a web server and send over some variables. Ex: 70.166.55.128/?id=5&Name=Petey
