How many PLCs (Programmable Logic Controllers) can I have on my network?

Depending on the network type, different capabilities are offered.

TCP/IP networks have the number of devices limited by the number of IP addresses available on each network; however, routers can be used to span multiple networks allowing an unlimited number of devices.

On RS485 networks, the different protocols supported offer device capabilities between 127 and 250 devices on each individual sub network.


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