First industrial programmable I/O module with Raspberry Pi micro

First industrial programmable I/O module with Raspberry Pi micro

New Products |
By Nick Flaherty

Sfera Labs in Italy has introduced the first industrial product based around the low cost Raspberry Pi RP2040 microcontroller

The Iono RP is a compact programmable I/O module that combines the ease of use of the Raspberry Pi with a wide choice of digital and analog input and output interfaces. The rugged module is fully CE, FCC, and IC compliant for both industrial and residential environments.

The module has a wide range 12-24V power supply input with surge and reverse polarity protection, and 1.1A resettable fuse. It supports industry-standard 0-10V/4-20mA analog inputs, a 0-10V analog output, digital input/output lines, and an RS-485 serial interface. There are three DIN rail case sizes, allowing for installation in electrical cabinets and integrated into automation control systems using an Omega rail.

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The module is based on the RP2040, which has a two ARM Cortex-M0+ microcontroller cores clockd at up to 133MHz with 264kB internal RAM and a flexible input/output internal architecture with several standard interfaces. The RP2040 allows developers to use the Raspberry Pi development tools and documentation. Control software development can be implemented in MicroPython and C/C++, with drag-and-drop programming using mass storage over USB and the on-chip boot loader. The Iono RP internal 16MB Flash memory can accommodate complex application logic and a dedicated EERAM chip also allows the storing of persistent information without wearing out the flash memory.

The firmware libraries developed specifically for the Iono RP are all open source and may be freely accessed via Github – thereby helping to accelerate project completion. To support OEM requirements, Sfera Labs can provide custom casing and logo printing services.

Optional features for the Iono RP include a real-time clock with battery back-up and a secure element chip for encryption and safe storage of digital certificates. An earthquake sensor can also be factory installed as an option, which may be used, for example, to disconnect electrical loads or perform other safety-related automation tasks when an earthquake is detected.

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