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The Arduino Opta® RS485, featuring an RS-485 terminal block for Modbus RTU or proprietary communication, is a secure and user-friendly micro-PLC designed for powerful Industrial IoT capabilities. Developed in collaboration with Finder, a leading industrial automation device manufacturer, this device empowers professionals to effortlessly expand their automation projects within the well-known Arduino ecosystem. With robust computing capabilities, the Arduino Opta® RS485 supports real-time control, monitoring, and predictive maintenance applications. Its quick implementation is facilitated by various available software libraries, and the onboard secure element ensures secure over-the-air firmware updates and remote control through the Arduino Cloud or third-party services.
Easy Software Development
Swift development with ready-to-use Arduino sketches, tutorials, and libraries.
IEC 61131-3 PLC Language Support
Optional support for standard PLC languages.
Supports Modbus TCP (Ethernet) and Modbus RTU (serial RS485) for seamless integration.
Allows real-time remote monitoring via user-friendly Arduino Cloud dashboards or third-party services.
Ensures security with an onboard secure element and compliance with the X.509 Standard.
OTA Firmware Update
Secure over-the-air firmware updates and cloud-based device management.
High Power Relay Switching
Capable of switching high power (4 x 2.3 kW).
Backed by industrial certifications and Finder’s expertise in switching technology.
Designed for straightforward installation on DIN rails.