1747-UIC Allen-Bradley SLC 500 Interface Converter

Allen-Bradley 1747-UIC Engineering Architecture

The 1747-UIC manufactured by Allen-Bradley / Rockwell Automation is a specialized USB to DH-485 interface converter engineered within the SLC 500 product family. Designed to bridge modern computers with legacy automation assets, this portable adapter translates USB protocols into DH-485 communication streams at a standard 19,200 bits/second baud rate while drawing operating power directly from the host USB port.

Technical Specifications & Operating Parameters

Target Equipment & Industrial Application Scenarios

• Legacy SLC 500 (5/01, 5/02, 5/03) processor programming and online troubleshooting.
• MicroLogix controller and PanelView operator terminal network configuration.
• Plant floor commissioning and maintenance diagnostic laptop hookups.
• Older DH-485 multidrop network bridging during modernization assessments.

Advanced Diagnostic & Isolation Capabilities

• Galvanic Isolation: Provides robust 500V DC isolation between computer USB grounds and industrial DH-485 circuits, protecting laptops from electrical ground loops.
• Dual DH-485 Ports: Features switch-selectable RJ-45 and RS-232 DB9 connection options to accommodate diverse legacy controller cabling configurations.
• Bus-Powered Simplicity: Eliminates external power supplies or bulky AC adapters, ensuring rapid plug-and-play connectivity on site.

Commercial Terms & Global Logistics

• Condition & Assurance: 100% factory original hardware backed by a comprehensive 12-month warranty.
• Order Fulfillment: Rapid processing and dispatch within 24 to 48 hours of order verification.
• Express Freight Carriers: Expedited worldwide delivery supported via FedEx, UPS, and DHL.

Global PLC Spare HUB's Insight

Connecting modern engineering laptops to legacy SLC 500 or PanelView hardware on the plant floor often presents severe communication hurdles and ground loop risks. Our engineering evaluation indicates that deploying the 1747-UIC converter solves these interface barriers securely. During an emergency service call at a legacy manufacturing plant, utilizing this USB-to-DH-485 adapter allowed our technicians to go online instantly with an older SLC 5/03 processor without encountering driver dropouts or risking laptop USB port damage from high electrical common-mode voltages.

Engineering Selection & Purchasing Guidelines

• Verify Controller Compatibility: Confirm your legacy target device utilizes the DH-485 communication protocol (such as SLC 5/01 through 5/03 or early PanelViews).
• Cable Preparation: Ensure you have the appropriate RJ-45 (1747-C13) or RS-232 connecting cables corresponding to your converter port selection.
• Driver Setup Advice: Verify RSLinx driver configurations match the 19.2 Kbps DH-485 network speed before attempting online processor connection.

Frequently Asked Questions (FAQ)

Q1: What is the primary function of the 1747-UIC interface converter?

A1: It bridges modern USB-equipped computers to legacy Allen-Bradley controllers and operator interfaces running on the DH-485 communication network.

Q2: Does the converter require an external power supply or wall transformer?

A2: No, the unit is entirely bus-powered through the connected computer's USB port, consuming less than 100 mA of operating current.

Q3: How does the converter protect programming laptops from industrial electrical surges?

A3: It incorporates built-in 500V DC galvanic isolation between the USB power circuit and the DH-485 common reference, effectively preventing ground loop damage.

Q4: What physical connection ports are available on the DH-485 side of the module?

A4: It provides two switch-selectable ports: an RJ-45 modular jack and an RS-232 DB9 serial connector.

Q5: What shipping carriers and delivery timelines apply to urgent replacement orders?

A5: We dispatch all in-stock converters within 24 to 48 hours utilizing priority international carriers including FedEx, UPS, and DHL to minimize downtime.

Tags