With RS485 communication, how many devices can a bus connect at most and how many doors can be managed?
Hello, thank you for using our products. Adopt the RS485 communication, in the same system can theoretically the largest number of networking for 255 units, the number of a single 485 converter connected devices associated with 485 converter chip, a 485 converter can connect normal 32 devices. Wiring is better to use shielding wire, and could not connect together and high voltage.
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