The limit of RS485 networking way how many can it control in a same system?
2017-10-26 11:36
Details of the problem:
If you choose RS485 networking way to manage the access control devices, how many can it control in a same system?
Expert answer:
Hello, thanks for using our products. The maximum connecting network numbers of RS485 network management mode are 255. The longest wiring distance is 1200 meters. When wiring, pay attention to use the best wire rod, can not arrange the wire together with strong current.
