Products Description
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Product Description – ABB PM861K01 3BSE018105R1
The ABB PM861K01 is a central processor unit kit designed for the System 800xA AC 800M controller platform. It enables high-performance process control with advanced redundancy support and integration capabilities. This modular kit includes the PM861 processor, TP830 baseplate, and critical terminators necessary for robust communication and I/O connectivity.
This processor unit kit is ideal for single or redundant configurations and can be seamlessly integrated with a wide range of communication protocols and I/O systems, including S800 I/O via the ModuleBus. Designed for demanding industrial automation applications, it ensures superior reliability, flexibility, and scalability.
Package Contents
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PM861 – Processor Unit (CPU)
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TP830 – Baseplate (width = 115 mm)
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TB850 – CEX-bus terminator
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TB807 – ModuleBus terminator
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TB852 – RCU-Link terminator
Technical Specifications
| Parameter | Details |
|---|---|
| Product Code | 3BSE018105R1 |
| Processor Type | PM861 CPU |
| Baseplate Included | TP830 (115 mm width) |
| Communication Bus Support | CEX-Bus, Electrical/Optical ModuleBus |
| Memory | Internal Flash + RAM with compact flash slot |
| Built-in Interfaces | 2 × Ethernet, 2 × Serial RS-232 (COM3/COM4) |
| I/O Connectivity | S800 I/O, PROFIBUS DP, Foundation Fieldbus |
| Power Supply Voltage | 24 V DC nominal |
| Mounting | DIN-rail (TS35/7.5) |
| Redundancy | Supported (with RCU Link) |
| Dimensions (W×H×D) | 203 × 157 × 135 mm |
| Weight | 1.14 kg |
| Operating Temp. Range | 0 °C to +55 °C |
| Protection Class | IP20 |
| Certifications | CE, UL, TÜV (SIL2/3 compatible via PM865) |
Key Features
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Integrated dual Ethernet ports for network redundancy
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Direct connection to S800 I/O via ModuleBus
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High-performance CPU with deterministic response
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Support for redundant configurations with bumpless switchover
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Built-in Compact Flash interface for application and firmware storage
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DIN-rail mounting with quick-locking mechanism
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Comprehensive diagnostic LEDs for status monitoring
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Complies with global EMC and safety standards
Advantages
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Reliability: Designed for mission-critical applications with support for redundancy and hot-swappable components.
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Flexibility: Modular design with wide support for various ABB and third-party communication protocols.
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Scalability: Expandable I/O capability via Electrical and Optical ModuleBus for large applications.
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Low Maintenance: Integrated diagnostics and compact flash support reduce field maintenance.
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Standard Compliance: Compliant with EMC Directive 2004/108/EC and Low Voltage Directive 2006/95/EC.
Applications
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Distributed Control Systems (DCS) in process automation
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Power generation and distribution automation
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Oil and gas platform control systems
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Water and wastewater treatment automation
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Pulp and paper manufacturing
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Cement and mining process control
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Pharmaceutical and chemical process industries
Recent Documentation Titles
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AC 800M Controller Hardware Manual – System Version 5.1
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System 800xA Release Notes for Control and I/O – Version 5.1.1
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Redundancy Configuration in AC 800M – Engineering Guide
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Mounting and Wiring Guidelines for AC 800M Hardware
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S800 I/O Modules and ModuleBus Integration Manual
Related Models from the Same Series
| Model | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| PM851K01 | Entry-level processor kit | 203 × 157 × 135 | 1.12 kg |
| PM856K01 | Mid-tier CPU for smaller applications | 203 × 157 × 135 | 1.13 kg |
| PM864AK01 | Extended memory version | 203 × 157 × 135 | 1.14 kg |
| PM865K01 | Redundancy-capable high memory CPU | 203 × 157 × 135 | 1.15 kg |
| PM866K01 | Enhanced control with more interfaces | 203 × 157 × 135 | 1.15 kg |
| PM891K01 | Highest performance, FF HSE ready | 203 × 157 × 135 | 1.17 kg |
Popular ABB Models
| Model | Function | Dimensions (mm) | Weight |
|---|---|---|---|
| CI854AK01 | PROFIBUS DP Interface Module | 127 × 109 × 104 | 0.48 kg |
| CI860K01 | FOUNDATION Fieldbus HSE Interface | 127 × 109 × 104 | 0.45 kg |
| SD831 | Power Supply Unit (30W, 24V) | 135 × 115 × 132 | 0.65 kg |
| TB820V2 | ModuleBus Cluster Modem | 150 × 110 × 95 | 0.50 kg |
| CI867K01 | Modbus TCP Communication Interface | 127 × 109 × 104 | 0.48 kg |
| SM811K01 | Safety Monitoring Module (SIL3) | 127 × 109 × 104 | 0.50 kg |
FAQ
Frequently Asked Questions (FAQ)
Q1: What is the purpose of the TB850, TB807, and TB852 terminators in the PM861K01 kit?
A1: These terminators are used for proper electrical termination of the CEX-Bus, ModuleBus, and RCU-Link to ensure signal integrity and reliable communication.
Q2: Can the PM861K01 operate in a redundant CPU configuration?
A2: Yes, it fully supports redundancy via the RCU-Link. Two PM861 units can operate in a primary-backup mode with automatic switchover.
Q3: Is the PM861K01 suitable for safety-critical applications?
A3: The PM861 itself is not SIL-certified. For safety-critical (SIL2/SIL3) applications, use PM865 or PM865/SM810 combination.
Q4: Can the included TP830 baseplate be used for other CPU types?
A4: Yes, TP830 is compatible with other PM8xx series CPUs, including PM860, PM864, and PM865.
Q5: How do I connect S800 I/O modules to the PM861K01?
A5: Connect S800 I/O modules directly to the Electrical ModuleBus on the TP830 baseplate using a ModuleBus cable with TB820 modems if needed.
Q6: What types of communication modules are supported on the CEX-Bus?
A6: The CEX-Bus supports modules such as CI854 (PROFIBUS), CI860 (FF HSE), CI867 (Modbus TCP), and others.
Q7: What is the function of the INIT push button on the PM861?
A7: The INIT button is used to reset the processor or initiate firmware download and recovery operations.
Q8: How is memory backed up in the PM861K01 system?
A8: The system includes internal memory backup supported by an external battery via the TP830 baseplate to maintain RAM and RTC data during power loss.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
