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This ultrasonic communication sensor operates on 5 V DC, supports UART (TTL 3.3 V) and optional RS485/Modbus-RTU, with a 1–2000 cm communication range, 360° angle, ≥99% accuracy, and ≤510 ms delay. It features reverse polarity protection, ESD protection, and configurable baud rates up to 115200 bit/s. IP68-rated (5 m water pressure, 168 h), it is ideal for underwater communication, remote control, and industrial automation.
Note:
A: This ultrasonic communication sensor operates on 4.75–5.25 V DC, with a typical voltage of 5 V DC. It supports reverse polarity protection, and the input ripple should stay ≤50 mVpp while input noise should stay ≤100 mVpp. Standby current is <20 mA, maximum operating current is <120 mA, and peak current can reach ≤500 mA. Power-on time is ≤200 ms, so allow at least 0.2 s before expecting valid communication.
A: This ultrasonic communication sensor supports UART Controlled and RS485 output types. Its UART interface is TTL 3.3 V, default baud rate 115200, with 8 data bits, no parity, 1 stop bit. It also supports Modbus-RTU, default sensor address 0x01 (configurable), read function code 0x03, write function code 0x06, and CRC-16/MODBUS. Baud rate is configurable via register 0x0201, and feedback can be enabled via register 0x023F.
A: This ultrasonic communication sensor offers a maximum communication distance of 1–2000 cm with a communication angle of 360° and communication accuracy ≥99%. The remote control delay is ≤510 ms, and the repeat communication cycle is ≥900 ms. The communication test was performed in a 20×12 m pool, 1.3 m depth, calm water, no flow or obstacles, flat bottom, so real-world performance may vary with reflections and turbulence.
