Tag: Modbus

Price: $52.99
(as of Dec 13,2024 20:08:12 UTC – Details)

Features
Configurable device address (1~255), multi devices can be cascaded on RS485 bus
Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
Onboard dedicated relay driver chip, with built-in freewheeling diode protection, the driving ability is stronger and more stable
Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
High quality relay, contact rating: ≤10A 250VAC/30VDC
Rail-mounted ABS case, easy to install, safe to use
3 LEDs for indicating the MCU status and signal transceiving status

Specifications
Operating voltage: 5V
Communication interface: RS485
baudrate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
Default communication format : 9600, N, 8, 1
Relay channels: 16
Contact form : 1NO 1NC
Communication protocol : Standard Modbus RTU protocol
RS485 address : 1~255
LED indicators :
STA: MCU indicator, keep flashing when the MCU normally working
TXD: TX indicator, lights up when sending data
RXD: RX indicator, lights up when receiving data

How-to-use document/User Manual ://bit.ly/3QdyYo9

Package Content
Modbus RTU Relay 16CH x1
US plug 5V 2A Power supply (with EU head adapter) x1
Package Dimensions ‏ : ‎ 5 x 3 x 2 inches; 3.2 ounces
Date First Available ‏ : ‎ October 25, 2023
Manufacturer ‏ : ‎ Waveshare
ASIN ‏ : ‎ B0CLSB6RBD

RS485 Communication: Configurable device address (1~255), multi devices can be cascaded on RS485 bus. In case of many devices are cascaded, or the communication distance is quite long, it is necessary to use RS485 repeaters.
Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.
Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic.
Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. Onboard dedicated relay driver chip, with built-in freewheeling diode protection, the driving ability is stronger and more stable.

Introducing the Modbus RTU 16-Ch Relay Module with RS485 Interface – the ultimate solution for industrial automation and control systems! This high-quality relay module boasts multiple isolation protection circuits, ensuring reliable and safe operation even in the most demanding environments.

Designed for industrial-grade applications, this relay module features a sturdy rail-mount case that can withstand harsh conditions. With support for a wide range of operating systems, including Win7/8/8.1/10/11, Linux, Android, and more, this module offers unparalleled flexibility and compatibility.

Whether you’re looking to upgrade your existing automation system or are starting from scratch, the Modbus RTU 16-Ch Relay Module with RS485 Interface is the perfect choice. Don’t compromise on quality or performance – invest in a reliable solution that will meet your needs for years to come. Upgrade your automation system today with this top-of-the-line relay module!
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