Description:

The Allen-Bradley 1747-AIC Isolated Link Coupler Module is used in SLC 500 and MicroLogix automation systems for serial communication isolation and network connection between controllers and peripheral devices. Commonly installed in control panels, manufacturing systems, and automated production lines. Maintenance teams and system integrators use this part for communication upgrades, system troubleshooting, and replacement of faulty interface modules.

Applications:

The Allen-Bradley 1747-AIC module is widely used in industrial environments requiring reliable isolated serial communication between PLCs, HMIs, programming terminals, and network devices. It is commonly integrated into SLC 500 and MicroLogix systems in manufacturing lines, material handling systems, packaging equipment, and process plants where stable data communication and electrical isolation are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 1747-AIC
• Brand: Allen-Bradley
• Product Type: Isolated Link Coupler Module
• Series: SLC 500
• Function: DH-485 communication isolator / interface coupler
• Communication Protocol: DH-485
• Ports: 3 communication ports (RJ-45 / mini-DIN / terminal depending on version)
• Isolation: Optical isolation between ports
• Power Supply: External 24V DC or via connected device
• Mounting Type: DIN rail or panel mount
• Operating Temperature: 0°C to +60°C
• Protection Rating: IP20
• Compatibility: SLC 500, MicroLogix, PanelView
• Compliance Standards: CE, UL, CSA

Common Replacements:

• Allen-Bradley 1761-NET-AIC Interface Converter
• Allen-Bradley 1747-KE DH-485 Module
• Siemens RS485 Isolated Interface Module