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PM856A

Key Features & Benefits
Superior Processing Power

800MHz dual-core processor

1GB RAM with error correction

16MB flash memory for application storage

Enhanced Reliability

99.999% availability in redundant configurations

Built-in watchdog timer

Hot-swappable design for maintenance

Comprehensive Connectivity

Dual Ethernet ports (10/100/1000 Mbps)

Serial communication ports (RS-232/RS-485)

USB 2.0 configuration port

Advanced Control Capabilities

1ms control cycle execution

Supports all IEC 61131-3 programming languages

Integrated motion control functionality

Technical Specifications
Parameter Specification
Processor 800MHz dual-core
Memory 1GB RAM, 16MB Flash
Communication 2x Ethernet, 2x Serial, 1x USB
Power Consumption 12W typical
Operating Temp -40°C to +70°C
Certifications UL, CE, ATEX, IEC 61508 SIL2
Typical Applications
✔ Oil & gas processing plants
✔ Power generation facilities
✔ Chemical production
✔ Pharmaceutical manufacturing
✔ Water treatment systems

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The ABB PM856A is a powerful process automation controller from ABB's AC 800M family, designed for mission-critical industrial applications. This advanced controller delivers exceptional reliability and performance for complex control tasks in demanding environments.