PUSR provides 5 different models of expansion units for users to choose from, please see the table for specific differences between different modules.
The USR-IO modular controller supports standard Modbus RTU for data acquisition and control, making integration into control systems extremely straightforward.
Industrial Grade Design EMC Protection: Level 3, IEC 61000 Wide Operating Temp: -25~+75 Hardware Watchdog: Supported
Flame retardant rating: V0, burning stops within 10 seconds on a vertical part allowing for drops of plastic that are not inflames.