ABB PM861AK01 3BSE018157R1 Processor Unit
- Brand: ABB
- Part Number: PM861AK01
- Product ID: 3BSE018157R1
- Product: Processor Unit (AC 800M Controller CPU Module)
- Series: AC 800M Controller
- Origin: Sweden
- Dimensions: 119 mm x 189 mm x 135 mm
- Weight: Approx. 1.15 – 1.2 kg
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Description
The ABB PM861AK01 3BSE018157R1 Processor Unit is a high-performance central processing module designed for the ABB AC 800M distributed control system (DCS). It acts as the core CPU module responsible for executing control logic, processing real-time data, and managing communication across industrial automation networks.
This processor unit is engineered for high reliability and continuous operation, making it ideal for mission-critical environments such as oil & gas, power generation, and process industries. It supports redundant configurations, ensuring uninterrupted system performance even in case of hardware failure.
The module integrates seamlessly with ABB’s 800xA architecture and provides advanced control capabilities, enabling efficient plant automation, monitoring, and diagnostics.
Key Features of ABB PM861AK01 3BSE018157R1 Processor Unit
- High-performance industrial CPU for complex control tasks
- Designed for ABB AC 800M distributed control systems
- Supports redundant (hot standby) configurations
- Integrated Ethernet communication interfaces
- Modular design for easy installation and maintenance
- Real-time processing for critical industrial operations
- High reliability for harsh industrial environments
- Seamless integration with ABB 800xA DCS platform
Technical Specifications of ABB PM861AK01 3BSE018157R1 Processor Unit
| Parameter | Specification |
|---|---|
| Processor Type | Motorola MPC860 industrial microprocessor |
| CPU Clock Speed | 48 MHz |
| Program Memory | 16 MB |
| Memory Backup | Battery-backed RAM |
| Power Supply Voltage | 24 V DC |
| Operating Voltage Range | 19.2 – 30 V DC |
| Power Consumption | Typical: 6 W / Maximum: 10.3 W |
| Ethernet Ports | 2 × RJ45 Ethernet ports |
| Communication Interfaces | Ethernet, Serial, CEX-Bus, ModuleBus |
| Redundancy Support | Yes (Hot Standby CPU Redundancy) |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | 5% – 95% (Non-condensing) |
| Isolation Voltage | 500 V AC |
| Mounting Type | DIN Rail (via baseplate) |
| Cooling Method | Natural Convection (Fanless) |
| System Compatibility | ABB AC 800M Controller, ABB 800xA DCS |
| Diagnostic Features | Watchdog Timer, Error Detection, System Diagnostics |
Compliance & Environmental Information
| Parameter | Specification |
|---|---|
| RoHS Information | Not RoHS Compliant |
| WEEE Category | 5 – Small Equipment (No External Dimension More Than 50 cm) |
| Number of Batteries | 1 |
| Battery Chemical Composition | Lithium |
| Battery Type | Portable |
| Battery Weight | 9 g |
| SCIP Number | 4908a38c-270f-4b45-8a26-a01ebd728773 |
| SCIP Origin | Sweden |
Package Includes
- PM861A CPU
- TP830 Baseplate
- TB850 CEX-Bus Terminator
- TB807 ModuleBus Terminator
- TB852 RCU-Link Terminator
- Memory backup battery
Origin, Dimensions & Weight
- Origin: Sweden
- Dimensions: 119 mm x 189 mm x 135 mm
- Weight: Approx. 1.15 – 1.2 kg
Applications
The ABB PM861AK01 Processor Unit is widely used in industrial automation systems, including:
- Oil & Gas (refineries, offshore platforms)
- Power Generation & Utilities
- Petrochemical and Chemical Plants
- Water & Wastewater Treatment
- Metallurgy and Steel Plants
- Pulp & Paper Industry
It is primarily deployed in Distributed Control Systems (DCS) to perform:
- Process control and automation
- Data acquisition and monitoring
- Alarm management and diagnostics
- Communication with field devices and supervisory systems
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