Excellent PLC
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Product Introduction
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.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model / Ordering Code | PM860AK01 / 3BSE066495R1 |
| Processor | MPC860, 48 MHz |
| Memory (Flash / RAM) | Flash ≥2 MB; RAM 16 MB (approx. 10.35 MB free for application) |
| Execution Speed | 0.23 ms per 1000 boolean ops |
| Power Supply | 24 V DC (19.2–30 V), typ. 180 mA / max 300 mA (≈7.2 W) |
| Communication Ports | Ethernet ×2 (10 Mbit/s); RS‑232C COM3 (non‑isolated); RS‑232C COM4 (isolated) |
| I/O Bus Support | Up to 96 modules on Modulebus; up to 12 on CEX‑bus |
| Environmental | 5–95% RH non‑condensing; +5 °C to +55 °C operating; –40 °C to +70 °C storage |
| Dimensions | 160× 200 ×140 mm |
| Weight | 1.1 kg |
| Protection Class | IP20; EMC certified; UL, CE, DNV‑GL, ABS approvals |
| Mounting | DIN‑rail with slide‑lock mechanism; unique Ethernet MAC ID per baseplate |
Typical Applications
• 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
Key Advantages
• 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)
FAQ
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What CPU does it include?
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A 32‑bit MPC860 processor running at 48 MHz.
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How much free RAM is available?
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16 MB total, with approximately 10.35 MB left for application code.
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What is the logic execution speed?
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Executes 1000 boolean ops in ≈0.23 ms.
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What power supply does it require?
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24 V DC (19.2–30 V), typical 180 mA, up to 300 mA.
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Which serial ports are included?
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Two RS‑232C ports: COM3 (non‑isolated, RTS‑CTS support), COM4 (isolated).
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How many I/O modules can it support?
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Up to 96 Modulebus modules and 12 CEX‑bus modules.
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What is the operating temperature range?
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+5 °C to +55 °C operating; –40 °C to +70 °C storage.
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Is it EMC certified?
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Yes; includes CE and full EMC compliance.
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Does it support redundancy?
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This specific PM860AK01 unit does not support CPU redundancy.
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What accessories are included?
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Comes with TP830 baseplate, TB850 CEX‑bus terminator, TB807 Modulebus terminator, CompactFlash slot, memory‑backup battery; license not included.
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Recommended Models
Same series / Related models
| Model (Ordering Code) | Description |
|---|---|
| PM860AK02 (3BSE066496R1) | PM860A with CPU redundancy support |
| PM856AK01 (3BSE066490R1) | Lower performance 48 MHz / 8 MB RAM |
| PM861AK01 (3BSE018157R1) | Next-gen CPU for 800xA with enhanced I/O |
| PM858K01 (3BSE082895R1) | Mid-performance CPU in the AC 800M family |
| PM851AK01 (3BSE066485R1) | Entry-level CPU, fewer I/O, lower memory |
| PM860AK01 + Redundant PS | PM860AK01 with external redundant power supply unit catalog |
Popular ABB CPUs (same family)
| Model (Ordering Code) | Description |
|---|---|
| PM860AK02 (redundant CPU) | Dual-CPU version with fast switch-over |
| PM861AK02 (3BSE018160R1) | Dual PM861A CPU for high availability |
| PM858K02 (3BSE082896R1) | Dual PM858 CPU for improved performance |
| PM856AK02 (not typical) | Dual PM856A CPU module |
| PM860E00 (3BSE066497R1) | Economical PM860 variant with fewer options |
| PM851AK02 (3BSE066486R1) | Redundant PM851 CPU |
