Downloads
Downloadable resources and support contact information for the IRIV IO Controller.
Documentation
Datasheet
IRIV IO Controller Datasheet
- Version: Rev 1.0
- Date: July 2024
- Format: PDF
Download location: Available from the IRIV IO Controller product page.
3D Models
IRIV IO Controller 3D CAD Files
- Format: Multiple CAD formats
- Link: Google Drive - IRIV IO Controller 3D Models
The 3D models are useful for:
- Panel and enclosure design
- DIN rail mounting planning
- Integration with other equipment
- Mechanical clearance verification
Mechanical Drawings

Enclosure dimensions and DIN rail mounting specifications.
Firmware
Default Firmware
The IRIV IO Controller ships preprogrammed as a MODBUS RTU IO Expander with counter function.
CircuitPython Firmware
CircuitPython firmware for RP2350A:
- Available from official CircuitPython website
- Format: UF2 file
- Link: CircuitPython Downloads
Search for "Raspberry Pi RP2350" compatible builds.
MicroPython Firmware
MicroPython firmware for RP2350A:
- Available from official MicroPython website
- Format: UF2 file
- Link: MicroPython Downloads
Search for RP2350A-compatible releases.
Software Tools
Programming Tools
RP2350A Bootloader:
- Built into the RP2350A microcontroller
- No additional software required for firmware upload
- Appears as USB mass storage device
Serial Console Tools
For debugging and serial communication:
- Windows: PuTTY, TeraTerm
- macOS/Linux: screen, minicom
- Cross-platform: Arduino IDE Serial Monitor
Support and Contact
Technical Support
Cytron Technologies Sdn Bhd
Address:
No. 1, Lorong Industri Impian 1
Taman Industri Impian
14000 Bukit Mertajam
Penang, Malaysia
Phone: +604 - 548 0668 Fax: +604 - 548 0669
Email:
- Technical support: support@cytron.io
- Sales inquiries: sales@cytron.io
Website: www.cytron.io
Product Page
Official product page: IRIV IO Controller - IR4.0 Industrial I/O Controller
Warranty
Duration: 12 months
Warranty terms available from Cytron Technologies support.
Community Resources
Raspberry Pi Resources
RP2350A Documentation:
- Official Raspberry Pi RP2350A datasheet
- Raspberry Pi Pico SDK documentation
- Hardware design guidelines
Links:
Wiznet W5500 Resources
W5500 Ethernet Controller:
- Official W5500 datasheet
- Application notes
- Example code and libraries
Links:
CircuitPython Libraries
Community Libraries:
- CircuitPython library bundle
- Driver libraries for sensors and peripherals
- Example code
Links:
Source(s):
- IRIV IO Controller Datasheet, Rev 1.0, July 2024
- IRIV IO Controller product page (my.cytron.io)