Modbus RTU relay module 4-channel with RS485 - Waveshare 30461

USR-DR134 is an industrial RS485 to Ethernet converter that allows the integration of RS485 devices into TCP/IP networks for remote monitoring and control. It supports server, client and UDP modes, and with its compact DIN rail housing and ability to operate in harsh environments, it is an ideal solution for automation and remote management.

USR-W630 is a converter that enables wireless data transmission between RS232/RS485 interfaces and WiFi network, ideal for integrating serial devices into wireless networks. It supports WiFi 802.11 b/g/n standards, various working modes (AP, STA, AP+STA) and TCP and UDP protocols, ensuring stable connection and high transmission security in industrial automation and remote monitoring.

USR-LG206-L-P is an RS232/RS485 to LoRa communication converter operating in the 398–525 MHz band, designed for applications requiring long-range transmission and resistance to electromagnetic interference. It offers transparent data transmission between serial devices without the need for communication protocols, making it suitable for smart metering, industrial automation, infrastructure monitoring, and precision agriculture systems. With its compact design, advanced protections, and flexible configuration, it ensures reliable data transmission in both industrial and outdoor environments.

USR-DR164 is a compact RS485 ↔ WiFi converter supporting 2.4 GHz and 5.8 GHz bands with Modbus Gateway functionality, enabling easy integration of industrial devices with IoT networks and SCADA/PLC systems. Thanks to its robust industrial design, wide voltage and operating temperature range, and flexible configuration, it is suitable for industrial automation, smart buildings, energy, and logistics applications.

Industrial RS485 to Ethernet converter designed for installation on a 35 mm DIN rail. The device enables integration of RS485-based systems with Ethernet networks, offering data transmission up to 1 Mbps, TCP and UDP communication, 1 kV galvanic isolation, and configuration through a built-in web interface. The compact 35 mm wide enclosure allows convenient installation in control cabinets and electrical distribution panels. MODIG MD12002

Miniature RS485 to USB converter designed for industrial applications, building automation systems, and control systems. The device is based on the CH9101R controller compliant with the USB 2.0 standard, offers data transmission speeds of up to 3 Mbps, and supports operation as a virtual COM port. Built-in surge protection, a 120 Ω termination resistor, and compact dimensions make the converter suitable for configuration, diagnostics, and communication with devices equipped with an RS485 interface. MODIG MD11002

RS232 TO RS485 (D) is a reliable signal converter with built-in digital isolation and interference protection, enabling the creation of efficient and secure communication networks in industrial systems, automation, and IoT applications. The use of a DIN rail mount and screw terminals facilitates easy installation and integration with existing infrastructure.

RS232 RS485 CAN Board is a complete solution for industrial applications with Raspberry Pi, enabling simultaneous operation of multiple communication interfaces with full isolation and protection. Designed for mounting in control cabinets and integration with existing HAT and PCIe systems, it is ideal for automation, monitoring, and control system projects based on Raspberry Pi.

USB TO 8CH RS485 is a reliable and secure tool for expanding industrial RS485 networks. Thanks to galvanic isolation, robust protections, and support for multiple operating systems, it is used in industrial automation, control systems, and monitoring. An ideal solution for demanding environments where stability and hardware protection are crucial.

Modbus RTU Relay (E) is a reliable relay module with an RS485 interface for use in industrial automation systems, remote control, HVAC, lighting, and energy management systems. It supports control of up to 8 relays rated at 30 A with full galvanic isolation and addressable function, enabling easy integration into complex serial communication installations.

RS485 TO ETH (C) is an industrial communication converter offering secure and flexible data transmission between RS485 devices and an Ethernet network. Thanks to galvanic isolation, a wide power supply voltage range, and support for industrial and cloud protocols, it is well-suited for advanced IoT applications, automation, intelligent monitoring, and integration with cloud platforms.

Modbus RTU Relay (C) is an advanced relay module with bistable relays, allowing output states to be retained even during power loss. Integrated galvanic isolation and surge protection, along with Modbus RTU communication, make it an ideal choice for industrial systems and building automation where reliability, safety, and energy efficiency are essential.

Modbus RTU Relay 4CH is a reliable industrial-grade relay module supporting RS485 communication with the Modbus RTU protocol. With the ability to handle high currents and a wide power supply voltage range, it is well-suited for lighting control systems, industrial automation, HVAC installations, and remote monitoring applications. Built-in protection circuits and DIN rail mounting enhance safety and facilitate integration into control cabinets.

8-CH RS485 TO ETH (B) is a reliable industrial RS485-to-Ethernet converter, offering eight isolated serial channels and two network ports for simultaneous data transmission and cascading communication. Designed for industrial applications, it integrates Modbus server functionality, MQTT gateway, and data conversion to JSON format. With support for multiple operating modes and configuration via web browser, it is ideal for automation systems, data acquisition, and infrastructure monitoring.

8-CH RS485 TO POE ETH (B) is an industrial RS485 to Ethernet converter with PoE support, offering eight isolated RS485 channels and dual Ethernet ports for communication. It enables integration in systems based on Modbus RTU, MQTT, and JSON, supporting data conversion and cloud publishing. With DIN rail mounting, a wide input voltage range, and extensive configuration options, the device is ideal for advanced industrial automation installations, data acquisition systems, and remote monitoring.

ESP32-S3-ETH-8DI-8RO is an industrial actuator module with eight relays and eight digital inputs, providing isolated RS485 communication, wireless Wi-Fi/Bluetooth connectivity, and wired Ethernet. It is ideal for applications in automation, monitoring systems, controlling 230 V devices, and collecting data from digital sensors.