Smart Electronics TTL Turn RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module
Smart Electronics TTL Turn RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module
Product parameters:
Operating voltage: compatible with 3.3V and 5.0V
Support baud rate: 110-256000bps
Operating temperature: -40 Celsius to +85 Celsius
Communication signal: compatible with 3.3V and 5.0V
* This module can realize the mutual conversion between TTL signal and RS485 signal, but 485 is half-duplex communication.
This communication mode can realize two-way communication, but it can not be carried out in two directions at the same time.
That is, each end of the communication channel may be the transmitting side or the receiving side, but at the same time,
the information may have only one transmission direction.
* This module realizes the mutual conversion between TTL signal and RS485 signal, no need to "receive - send" control, use
this module as you operate the serial port as simple, compatible with 3.3V and 5.0V power supply, compatible with 3.3V and
5.0V signal; Imported chip, the performance is very stable, to industrial design standards; anti-interference ability, while more
effective 485 mine design, in the industrial field and field harsh environment, the transmission distance of up to 1000 meters
Of the 850 meters of 2 * 1.5 cable to do the test, it is recommended to use within 800 meters, more than 800 meters, please add repeaters).
Product Features:* Fully consider the 485 bus lightning protection design and anti-jamming design, long-distance transmission in the field,
the module's "earth" side access to the earth, can play a very good anti-jamming and lightning effect, 485 Bus more secure;
indoor short distance transmission can not access the earth.
* The use of standard 2.54 pitch design, to facilitate your secondary development.* With 120 ohm matching resistor, shorted R0 to enable matching resistor, long-distance transmission of the proposed
short-circuit.
* Support multi-machine communication, allowing access to up to 128 devices on the bus.
* Support hot-swappable, there will not be other 485 chip hot plug signal plug dead phenomenon.
* Large area of copper, to prevent signal interference.
* Half-hole process design, thickness 0.8mm, can be easily used as a mother board, but also welding terminal use.
* With RXD, TXD signal indicator.
* Operating voltage: compatible with 3.3V and 5.0V
* Support baud rate: 110-256000bps
* Operating temperature: -40 Celsius to +85 Celsius
* Communication signal: compatible with 3.3V and 5.0V
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