ABB 3HAB5956-1 Extension Memory Board – Industrial-Grade PLC Performance Upgrade
The ABB 3HAB5956-1 Extension Memory Board delivers critical memory expansion for ABB PLC systems, enabling seamless handling of complex automation tasks through 256 KB capacity enhancement and industrial-grade reliability.

Key Features
- 256 KB Memory Expansion: Significantly increases PLC system capacity for complex program execution and data processing.
- Industrial RS-485 Interface: Ensures robust communication with control system components in harsh environments.
- Wide Operating Temperature: Maintains stability from -20°C to +60°C in extreme industrial conditions.
- Compact Design: Space-saving 89×105×34mm form factor enables easy integration into existing control cabinets.
- Plug-and-Play Installation: Direct compatibility with ABB PLC series simplifies system upgrades.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | ABB 3HAB5956-1 |
| Memory Capacity | +256 KB |
| Communication | RS-485 Interface |
| Operating Temp | -20°C to +60°C |
| Dimensions | 89 × 105 × 34 mm |
| Weight | 0.2 kg |
Application Fields
This memory expansion board serves critical roles in manufacturing automation, energy systems, and process control environments. Ideal for upgrading legacy ABB PLC systems in automotive production lines, power generation facilities, and chemical processing plants where enhanced memory capacity improves real-time control performance and data logging capabilities.
Our Product Range Includes
ABB, Allen Bradley, ICS Triplex, Prosoft, Reliance, FOXBORO, GE Fanuc, Triconex, Schneider, Bently Nevada, Emerson Epro, Honeywell, Woodward, Yokogawa






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