Description
ABB PM856K01 Product Documentation
1. Product OverviewThe
ABB PM856K01 is a high-performance PLC controller designed for industrial automation systems, part of ABB’s advanced AC500 series. This compact yet powerful module offers robust control capabilities, seamless integration with industrial networks, and support for complex applications. With its
32-bit processor and
512KB memory, the
PM856K01 ensures efficient data handling and real-time responsiveness, making it ideal for demanding industrial environments.
2. Technical Specifications
Parameter |
Details |
Model |
PM856K01 |
Brand |
ABB |
Voltage |
24V DC |
Memory |
512KB (Program) + 1MB (Data) |
Processor |
32-bit RISC |
I/O Capacity |
Expandable up to 1,024 points |
Communication Protocols |
Modbus RTU/ASCII, Profibus DP, Ethernet/IP |
Operating Temperature |
-25°C to +60°C |

ABB PM856K01
3. Key Advantages
- High Reliability: Built with industrial-grade components, the PM856K01 withstands harsh conditions, ensuring long-term stability.
- Flexible Expansion: Supports up to 16 expansion modules for tailored I/O configurations.
- Energy Efficiency: Optimized power consumption reduces operational costs.
- Easy Integration: Seamless compatibility with ABB’s AC500 series modules and third-party systems.
4. Applications
The PM856K01 is widely used in:
- Manufacturing: Assembly lines, robotics, and quality control systems.
- Energy: Power generation and distribution automation.
- Water/Wastewater: Pump control and treatment plant management.
Case Study: A leading automotive manufacturer reduced downtime by 20% using the PM856K01 in their production line, thanks to its real-time fault detection and rapid response capabilities.
5. Competitor Comparison
Compared to similar PLC controllers, the PM856K01 offers:
- Higher I/O scalability (up to 1,024 points vs. industry standard 512).
- Lower power consumption (1.5W vs. 2.5W for comparable models).
- Enhanced cybersecurity with built-in encryption features.

ABB PM856K01
6. Selection Recommendations
- Compatibility: Ensure the PM856K01 aligns with your existing automation architecture (e.g., Profibus DP or Ethernet/IP).
- Environment: Verify temperature and humidity ranges match your installation site.
- Budget: Factor in expansion costs for additional I/O modules if future scalability is required.
7. Installation & Maintenance Notes
- Safety: Follow ABB’s EMC guidelines to prevent interference.
- Cooling: Ensure adequate ventilation for optimal performance in high-temperature settings.
- Updates: Regularly install firmware updates to access new features and security patches.
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