Q-USB-485

USB to Modbus RS485
  • Features
    • 5 kV Isolation
    • Removable connections
    • LED Indication
    • Baud rate up to 500 KB/sec
    • USB to Modbus RS485




Isolated USB to Modbus RS485

USB to Modbus RS485

The Q-USB-485 from Qeed USA is a high-quality, Isolated USB to Modbus RTU RS485 Serial Converter designed to provide robust and reliable communication between your PC and Modbus devices. This device features 5000 Volt isolation, ensuring that your system is fully protected from electrical surges and ground loops, which is essential for maintaining signal integrity in industrial environments.

Simply plug the Q-USB-485 into any available USB port on your PC, install the provided driver from our download page, and instantly establish a stable connection to any Modbus RTU device. Whether you're connecting to Qeed's Modbus RS485 Current Converters, Power Analyzers, or any other Modbus RTU Input-Output modules, the Q-USB-485 offers seamless communication for a wide variety of industrial applications.

The Q-USB-485 uses a reliable FTDI USB chipset, which is known for its high-performance and long-term reliability. This ensures stable and continuous data transmission between your PC and Modbus devices. With its 5 kV isolation, the Q-USB-485 minimizes the risk of electrical interference, protecting both the converter and your PC from high-voltage spikes, making it ideal for use in harsh industrial environments.

In addition, the Q-USB-485 allows for easy and secure connections to Modbus devices on RS485, eliminating the need for complex setups and ensuring safe and efficient communication with your industrial control systems. Whether you're collecting data, monitoring power consumption, or managing process controls, the Q-USB-485 offers an easy-to-use, safe, and reliable solution for Modbus RTU communications.

Q-USB-485 Specifications

Baud Rate Up to 500kB/sec
Isolation 5000 V
Output Modbus RTU RS485
Maximum common mode voltage -60 V +60 V
LED Indication TX/RX Power
Temperature Rating Operative 5°F +149°F - 15°C +65°C Storage Temperature - 40°F +185°F - 40°C +85°C.
Humidity (non condensing) 0-90%
Housing Clear Plastic
Dimensions 2.5" x 0.75" x 0.5" 65 x 20 x 12 mm
Weight 1 oz 30 g

Q-USB-485 Wiring Connections

Power Supply
USB Port
Modbus Negative B- Pin B
Modbus Positive A+ Pin A and A
Modbus Ground Pin GND
Q-USB-485 wiring diagram
QEED USA..
Qeed products are sold and maintained by
Datexel LLC in the USA.
Contact Information
☏ 561 779 5660

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