Arduino® OPTA RS485

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Description

Arduino Opta is a secure and easy-to-use micro PLC with Industrial IoT capabilities.

Developed in partnership with Finder – a leader in the production of industrial and building automation devices – Opta allows professionals to scale up automation projects while leveraging the Arduino ecosystem. Supporting both Arduino Sketch and standard PLC languages, including LD (Ladder Logic Diagram) and FBD (Function Block Diagram), this device was designed specifically for PLC engineers.

Its powerful STM32H747XI dual-core Cortex®-M7 + M4 processor allows users to perform real-time control, monitoring, and implement predictive maintenance applications.

Secure and durable by design, Opta supports OTA firmware updates and ensures data protection from hardware to the Cloud, thanks to the integrated secure element and compliance with the X.509 standard. Additionally, the device undergoes regular assessments to maintain and improve cybersecurity.

All this is complemented by the ease of deployment in production, characteristic of Arduino Pro, thanks to a vast range of available software libraries and Arduino Sketches.

Last but not least, multiple connectivity options allow for efficient system management through real-time dashboards integrated with Arduino Cloud or third-party services.

Opta is available in three variants, so you can choose the best option for your project:

• Opta RS485 features built-in Ethernet, USB-C programming ports, and a RS485 half-duplex connectivity interface.
• Need Wi-Fi/Bluetooth® Low Energy? Opta WiFi is the ideal option for you.
• Happy with just Ethernet and USB-C? Then Opta Lite is the perfect choice!

Program it with Arduino PLC IDE!

Arduino PLC IDE makes PLC programming simple and accessible. Choose any of the 5 programming languages defined by the IEC 61131-3 standard (Ladder Logic Diagram, Functional Block Diagram, Structured Text, Sequential Function Chart, or Instruction List) and quickly develop PLC applications or port existing ones to Arduino Opta.

Key Benefits:

✔ Fast and easy software development with access to ready-to-use Arduino sketches, tutorials, and libraries
✔ Support for standard IEC 61131-3 PLC languages
✔ Fieldbus integration via Modbus TCP (Ethernet) and Modbus RTU (serial RS485)
✔ Real-time remote monitoring through intuitive Arduino Cloud dashboards (or third-party services)
✔ Hardware-level security thanks to the onboard secure element and compliance with the X.509 standard
✔ Secure OTA firmware updates and Cloud device management
✔ Reliable high-power relay switching (4 x 2.3 kW)
✔ High reliability, backed by industrial certifications and Finder's expertise in switching technology
✔ Easy installation, with compatibility for DIN rail mounting

Opt for industrial automation

Integrate a robust and reliable micro PLC into your machines, devices, and production lines. Arduino Opta can be combined with other elements from the modular Arduino ecosystem, including smart sensor-packed modules, SOMs (*System on Module*), and gateways, for complete and customizable solutions.

Quality by design

Arduino Pro partnered with Finder, a leader in the field of electromechanical and electronic components with over 65 years of excellence and expertise, to create a product with high-quality manufacturing specifications, capable of withstanding the most demanding industrial environments.

Specifications

Pinout Diagram:

Datasheet:

Download Link 

Certifications:

• cULus listed
• ENEC
• CE