ABB PM865K01 Processor Unit

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ABB PM865K01 (3BSE031151R1) Processor Unit – Product Overview

Product Description

The ABB PM865K01 (3BSE031151R1) is a high-performance CPU module designed for industrial automation and control systems, particularly within ABB’s 800xA and AC800M control platforms. It serves as a central processing unit for complex automation tasks, offering real-time control, data processing, and communication management in demanding industrial environments.

Detailed Technical Specifications

Key Features & Advantages

1. High-Performance Processing

   • 96 MHz processor with 32 MB Flash and 128 MB SDRAM for fast data handling.

   • Supports real-time control with cycle times as low as 250μs for 8-axis motion control.

2. Robust Industrial Design

   • Wide operating temperature range (-40°C to +85°C) for harsh environments.

   • IP20 protection (requires enclosure for dust/liquid resistance).

3. Flexible Communication

   • Dual Ethernet ports (CN1, CN2) for high-speed network connectivity.

   • Two serial ports (COM3: RS-232, COM4: isolated RS-485) for legacy device integration.

4. Redundancy & High Availability

   • Supports CPU redundancy for fail-safe operation.

   • CEX bus redundancy ensures continuous communication in case of failure.

5. Easy Installation & Maintenance

   • DIN rail mounting with slide-and-lock mechanism.

   • LED indicators for quick diagnostics.

Applications

• Power Systems: Generator excitation control, grid automation.

• Industrial Automation: Production lines, CNC machines, robotics.

• Process Control: Oil & gas, chemical plants, water treatment.

• Building Automation: HVAC, energy management systems.

Important Notes & Precautions

1. Installation

   • Must be installed in a control cabinet (IP20 protection).

   • Ensure proper electrical isolation for RS-485 (COM4).

2. Redundancy Setup

   • Requires redundant power supply & communication modules for full failover support.

3. Software Compatibility

   • Use ABB-certified tools (Control Builder M for DCS configurations).

4. Safety Compliance

   • Follow SIL3 guidelines for safety-critical applications.

Technical Specifications

• Processor: 96 MHz

• Memory: 32 MB Flash, 128 MB SDRAM

• Interfaces: 2× Ethernet (RJ45), 2× Serial (RS-232/RS-485)

• Power Supply: 24V DC (±20%)

• Operating Temp.: -40°C to +85°C

• Certifications: SIL3, CE, UL

The structure and details of the product：

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