ABB PM860AK01 3BSE066495R1 CPU Controller Unit

Product Introduction

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The ABB PM860AK01 (3BSE066495R1) is a high-performance CPU module for the AC 800M / 800xA distributed control system. It integrates a 48 MHz MPC860 microprocessor, real-time clock, memory, CompactFlash interface, LED indicators, and an INIT push-button into a compact DIN-rail mountable unit. The CPU communicates via dual Ethernet (CN1, CN2) and dual serial ports (COM3 non‑isolated RS‑232C, COM4 isolated RS‑232C), supporting reliable fieldbus connectivity such as Ethernet, PROFIBUS-DP, and OPC. The rugged IP20 unit offers modular expandability, simple fault diagnosis, and full EMC compliance, making it suitable for demanding industrial environments.

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Technical Parameters

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Typical Applications

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• Central control in process automation systems (oil & gas, chemicals, power) using ABB 800xA / AC 800M architecture
• Remote hybrid control across distributed skid-mounted units
• Replacement units during system upgrades or field retrofits
• Critical industrial environments requiring deterministic cycle times, fault diagnostics, and EMC robustness

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Key Advantages

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• Modular architecture — Easy to expand in field with flexible I/O capacity 
• Robust connectivity — Dual Ethernet and RS‑232C ports enhance network resilience
• Fault diagnostics — LED indicators and INIT push-button facilitate rapid troubleshooting
• DIN‑rail design — Slide‑lock simplifies installation and maintenance
• Real-time performance — 0.23 ms logic cycle supports fast control loops
• Compliance & safety — Meets major industrial standards (CE, UL, DNV‑GL, IP20, EMC)

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FAQ

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1. What CPU does it include?

   • A 32‑bit MPC860 processor running at 48 MHz.

2. How much free RAM is available?

   • 16 MB total, with approximately 10.35 MB left for application code.

3. What is the logic execution speed?

   • Executes 1000 boolean ops in ≈0.23 ms.

4. What power supply does it require?

   • 24 V DC (19.2–30 V), typical 180 mA, up to 300 mA.

5. Which serial ports are included?

   • Two RS‑232C ports: COM3 (non‑isolated, RTS‑CTS support), COM4 (isolated).

6. How many I/O modules can it support?

   • Up to 96 Modulebus modules and 12 CEX‑bus modules.

7. What is the operating temperature range?

   • +5 °C to +55 °C operating; –40 °C to +70 °C storage.

8. Is it EMC certified?

   • Yes; includes CE and full EMC compliance.

9. Does it support redundancy?

   • This specific PM860AK01 unit does not support CPU redundancy.

10. What accessories are included?

    • Comes with TP830 baseplate, TB850 CEX‑bus terminator, TB807 Modulebus terminator, CompactFlash slot, memory‑backup battery; license not included.

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