Apogee AC-422: Modbus to USB Converter

The AC-422 enables easy programming of any Modbus sensor by simply connecting the sensor to a computer’s USB port.

Configuration of the sensor can be done using any terminal program or Apogee Instruments DSI software.

One side of the AC-422 features a USB connection for plugging into a computer. The other side of the AC-422 has +12 V out, GND, and Modbus data channels for connection to any standard Modbus sensor (for proper operation, please connect the ground wire first).

• Easily configure and take sample measurements from any Modbus sensor directly with a computer and GUI
• No data logger needed
• Growing library of sensors with commands explained
• Sensor power provided via USB

Applications:

• Modbus sensor configuration or programming
• Modbus sensor troubleshooting
• Field use
• Research applications
• Classroom labs