This transmitter module realizes the mutual conversion between TTL signal and RS485 signal, but we must know that 485 is a half-duplex communication, which can achieve two-way communication, but not in both directions at the same time, it must be carried out alternately; that is to say, each section of the communication channel can be the sender or the receiver, but at the same time, information. There can only be one transmission direction.
It realizes the automatic flow control of RS485 signal and the automatic switching of receiving and receiving directions. It is as simple to use this module as you operate the serial port.
Baud rate: 110-256000 BPS.
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