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Technical specifications for
1747-AIC
Allen-Bradley 1747-AIC – SLC 500 Isolated Link Coupler
The Allen-Bradley 1747-AIC is an Isolated Link Coupler designed for DH-485 communication networks in SLC 500 automation systems. It provides electrical isolation, ensuring secure and stable data transfer across devices while preventing electrical noise interference.
1. General Information
- Manufacturer: Rockwell Automation
- Brand: Allen-Bradley
- Series: SLC 500
- Part Number/Catalog No.: 1747-AIC
- Module Type: Isolated Link Coupler
- Application: DH-485 Network Communication
- Installation Type: Panel Mounted
2. Technical Specifications
Electrical Characteristics
- External Power Supply: 24V DC
- Current Load (24V DC): 0.085 A (85 mA)
- Backplane Current Draw (5V DC): 470 mA
- Rated Current: 190 mA
- Thermal Dissipation: 2.49 Watts
- Isolation Voltage: 50V Continuous
Communication & Connectivity
- Communication Interface: Shielded Twisted-Pair (STP)
- Communication Terminals:
- DH-485
- Peripheral
- CPU
- DH-485 Communication Cable: Belden #3106 or #9842
Physical & Environmental Ratings
- Enclosure Type: Open
- Dimensions:
- Metric: 172 x 38 x 146 mm (H x W x D)
- Imperial: 5.72 x 1.37 x 5.15 inches
- Weight: 0.37 lbs (168 g)
- Operating Temperature: 0 to 60°C (32 to 140°F)
Indicators & Diagnostics
- LED Indicator: Power LED
3. Features & Benefits
✅ Enhanced Electrical Isolation – Protects communication devices from electrical noise and interference
✅ Reliable DH-485 Communication – Ensures stable data transfer in industrial networks
✅ Compact & Lightweight Design – Fits easily into control panels
✅ Low Power Consumption – Optimized for industrial automation environments
✅ LED Power Indicator – Quick status monitoring
4. Applications
The Allen-Bradley 1747-AIC Isolated Link Coupler is commonly used in:
SLC 500 Programmable Logic Controllers (PLCs) – For DH-485 network connections
Factory Automation Systems – Ensures stable industrial communication
Machine Control Panels – Reduces electrical noise and interference
Data Acquisition Systems – Provides reliable data exchange between controllers
5. Summary
The Allen-Bradley 1747-AIC Isolated Link Coupler is an essential DH-485 communication interface designed for SLC 500 automation systems. It ensures stable data transfer, electrical isolation, and protection against electrical noise, making it ideal for industrial networking and automation applications.
