Overview
The ABB PM861K01 is a central processing unit (CPU) module for the AC 800M controller platform within ABB’s System 800xA DCS.
It functions as the computational core, executing control logic, coordinating I/O modules, and managing communication with higher-level systems.
This module is widely used in process industries, power generation, and utilities, where high reliability and deterministic real-time performance are essential.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Base / Processor Module |
| Model Number | PM861K01 |
| Operating Temperature | –25 °C to +55 °C |
Key Features
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High reliability: MTBF over 200,000 hours for continuous operation.
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Real-time processing: Cycle time ≤ 1 ms for deterministic control.
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Hot-swap capability: Modules can be replaced without shutting down the system.
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Energy efficient: Low power consumption (≤ 25 W typical).
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Advanced processing: Supports complex algorithms (PID, motion planning).
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Modular design: Easy expansion with I/O modules.
Typical Applications
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Process industries: Chemical, oil & gas, and pharmaceutical plants.
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Power generation & utilities: Turbine, boiler, and substation control.
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Manufacturing automation: Production line monitoring and control.
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Infrastructure systems: Water treatment and transportation automation.
FAQ
Q1: What is the primary function of the ABB PM861K01?
A1: It acts as the CPU/base module for AC 800M controllers, executing control logic and managing communication.
Q2: How reliable is it?
A2: It has an MTBF of over 200,000 hours, ensuring long service life.
Q3: Can it be replaced without downtime?
A3: Yes, it supports hot-swap functionality.
Q4: What kind of processing speed does it offer?
A4: It delivers ≤ 1 ms cycle time for real-time tasks.
Q5: Where is it typically used?
A5: In System 800xA DCS applications across process industries, utilities, and manufacturing.
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| Warranty | 12 Months |
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| A: All our new and original products come with a standard one-year warranty. |
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