Raspberry pi rs485 RS-485 DB9 Interface & RS-485 Screw Interface. The sensor has four cables RXD, TXD, VDD and GND and it is powered by 7V and outputs 5V serial voltage logic. RS-485, also known as EIA-485, is defined as a differential multi-point bus system; it is perfect to transmit data with high speed at ranges up to 12m. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards. Designed for industrial applications, our RS485 HAT allows you to connect and communicate with multiple devices at once. Jan 11, 2024 · Raspberry Pi. Modbus is a communication protocol that was developed in 1979 primarily for use with programmable logic controllers (PLCs). I am to communicate to a device which have serial port using modbus RTU(rs-485). 1). Raspberry Pi Engineer & Forum Moderator Posts: 17896 Joined: Wed Dec 04, 2013 11:27 am Location: Cambridge, ZZ9 Plural Z Alpha.
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