The Allen Bradley 1203 USB driver allows Windows to recognize the Allen-Bradley 1203-USB converter and supports communication between a computer and compatible industrial drives. Although sometimes listed in printer categories, this device is a drive communication adapter, not a printer. Before downloading, confirm that the driver package supports your version of Windows 11, 10, 8, or 7.

Key Features

• USB device recognition: Helps Windows identify the connected converter so compatible software can access it.
• Drive communication support: Provides the USB connection needed for supported Allen-Bradley drive configuration and diagnostic tools.
• Parameter access: Works alongside compatible software to support reading and adjusting drive parameters when the connected equipment permits it.
• Reliable setup foundation: Installing the appropriate driver helps resolve recognition problems caused by missing or incompatible driver software.

How to Install

1. Check your system and hardware. Confirm that your adapter is the Allen-Bradley 1203-USB, then check your Windows version and whether your system is 32-bit or 64-bit. Verify compatibility in the driver package documentation rather than assuming one download covers every Windows release.
2. Download and prepare the driver. Choose the package intended for your adapter and operating system. Extract compressed files to an accessible folder and review any included installation instructions.
3. Install the software. Run the supplied installer with administrator privileges if required. If the package contains only driver files, use Device Manager to update the adapter’s driver and browse to the extracted folder.
4. Connect and verify the converter. Follow the package instructions for when to attach the USB cable. Check Device Manager to confirm that Windows recognizes the adapter without a warning symbol; restart the computer if prompted.
5. Test communication safely. Open compatible Allen-Bradley configuration software and select the appropriate adapter or communication port. Connect to supported equipment using the correct cable, following site safety procedures before viewing or changing drive settings.

If the converter is not detected, try another USB port, inspect the cable, and confirm that the installed driver matches your Windows version. A recognized adapter does not guarantee communication with every drive—compatible hardware, cabling, and configuration software are also required.

Common Issues and Fixes

• Install fails or “Unknown Device” in Device Manager: Install the Allen-Bradley 1203-USB driver package before connecting the cable; run installer as administrator, reboot, then plug into a USB 2.0 port directly (not a hub). If Windows shows a yellow warning, update the USB serial driver from Device Manager.
• Device not detected / no COM port: Confirm the 1203-USB appears under Ports (COM & LPT). If not, try another cable/port and check power on the drive. In RSLinx or Connected Components Workbench, select the correct COM port and DF1/USB driver; close other software using that COM port.
• Version/COM-port conflicts: Remove old 1203-USB or USB-serial driver entries and unused COM ports in Device Manager, then reinstall the current driver. Match RSLinx/CCW driver version to the installed package and avoid assigning the same COM port to two adapters.