Allen Bradley 1771-A3B DH+ Communication Interface Module
Engineered for robust industrial communication, the Allen Bradley 1771-A3B DH+ Interface Module delivers high-speed data transfer and seamless integration in demanding automation systems. This premium control module ensures reliable connectivity between programmable controllers and host computers in complex industrial environments.
Key Features
- Data Highway Plus (DH+) Protocol: Enables high-speed communication at 57.6 kbps for efficient controller networking
- Industrial-Grade Durability: Operating temperature range -20°C to +60°C for reliable performance in harsh environments
- Compact Design: Space-saving 1771 form factor for easy integration into existing control cabinets
- Direct Backplane Interface: Simplifies connection to PLC-5 and SLC 5/04 controllers via standard 1771 backplane
- LED Status Indicators: Provides instant visual diagnostics for troubleshooting efficiency
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | Allen Bradley 1771-A3B |
| Communication Protocol | Data Highway Plus (DH+) |
| Operating Voltage | +5V DC (via backplane) |
| Power Consumption | Max 25W |
| Environmental Rating | -20°C to +60°C operating temperature |
| Certifications | CE, UL, CSA |
Application Fields
The 1771-A3B module is specifically designed for critical industrial automation applications including:
- PLC-5 controller networking in manufacturing facilities
- High-speed data exchange for process control systems
- Factory automation upgrades requiring DH+ protocol compatibility
- Industrial communication backbone implementation
- Legacy control system modernization projects
As a premier distributor of industrial automation components, we offer comprehensive support for Allen Bradley products and other leading brands including ABB, GE Fanuc, Bently Nevada, Triconex, Foxboro, and Woodward. Our inventory features critical control modules, safety systems, and process monitoring equipment to ensure optimal system performance across diverse industrial applications.
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