NORVI X-UARTIO

The NORVI X-UARTIO is a versatile communication expansion module for the NORVI X modular controller platform.

It provides multiple serial communication interfaces including RS485, RS232, and UART, enabling flexible connectivity to industrial devices, sensors, meters, and peripherals.
The module uses shared MCU I/O lines with intelligent switching, allowing multiple physical ports to be supported while minimizing processor pin usage. Interface selection is fully controlled via firmware.

Product Features

• 2 × RS485 communication ports
• 2 × RS232 communication ports
• 4 × UART ports (multiplexed)
• Industrial-grade RS485 and RS232 transceivers
• Flexible I/O routing via GPIO- and CS-controlled switching
• UART pins usable as GPIO when not configured for UART
• Designed for NORVI X expansion architecture

System Architecture

• RS485: Half-duplex differential communication
• RS232: Full-duplex serial communication
• UART (TTL level): Direct MCU UART / GPIO connectivity