The Allen-Bradley 1747-UIC is a USB-to-DH-485 interface converter designed to bridge modern computers with legacy Allen-Bradley PLC networks that use the DH-485 communications protocol. It enables programming, configuration, monitoring, and troubleshooting of SLC-500, MicroLogix, and other DH-485-based devices by converting a USB port on a PC into a DH-485 network connection. The device supports both RJ-45 and RS-232 physical interfaces to connect to different DH-485 compatible equipment, making it an essential tool for industrial automation engineers working with older PLC systems. Technical Details Specification Details Product Name Allen-Bradley 1747-UIC Module Type USB-to-DH-485 Interface Converter Compatible Systems SLC-500, MicroLogix, some CompactLogix & PanelView devices USB Interface USB (to computer) DH-485 Port(s) Supports DH-485 network connection Connectors USB, RJ-45, RS-232 (DB9) selectable for DH-485 Functionality Converts USB signals to DH-485 for PLC communication Use Cases PLC programming, configuration, diagnostics Power Source Powered via USB port (no external power) Driver Requirements Requires USB drivers for proper PC recognition Protocol Support DH-485 network protocol Typical Software RSLinx/RSLogix (configurable with DF1 drivers) LED Indicators Status indication for communications Operating Temperature 0 °C to 60 °C (typical industrial converter range) Mounting Portable cable-style interface Cabling USB to DH-485 (adapter-type converter)
