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Remote access

VPN, Edge, IoT… Different Types Explained!

There are many connectivity devices on the market to connect industrial devices and networks to PLCs. Connect the controller to the internet, set up a machine network, gain remote access or exchange data. Typical terminology such as PLC edge gateway, industrial VPN router, switch or IoT gateway PLC is used. But what are the differences, what are the functions, when do you need which device and in which applications is it used?

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