Product Details
Description
The PM856AK01 3BSE018128R1 is a processor kit designed for deterministic control in industrial processes. With a 32-bit RISC processor and 16 MB of RAM, it handles thousands of I/O points and complex control algorithms. The kit includes the CPU module and baseplate for DIN rail mounting. It features dual Ethernet ports for redundant networking and a ModuleBus for high-speed synchronization with local S800 I/O clusters. Built for high availability, it supports redundant configurations to ensure zero downtime during hardware transitions. Its fanless design ensures long-term stability in demanding environments like manufacturing and power facilities.
Specifications
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Manufacturer: ABB
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Series: AC 800M
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Model Number: PM856AK01
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Order Number: 3BSE018128R1
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Product Type: Processor Unit Kit
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Microprocessor: 32-bit RISC
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Internal RAM: 16 MB
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Onboard Flash: 4 MB
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Dimensions: 186 mm x 119 mm x 135 mm
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Weight: 1.25 kg
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Interfaces: 2x RJ45 Ethernet, 2x RS-232, 1x ModuleBus
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Nominal Voltage: 24 V DC (19.2 to 30 V DC)
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Mounting: 35mm Standard DIN rail
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Protection Rating: IP20
Features
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Efficient Computational Core: Utilizes a powerful 32-bit processor to maintain consistent cycle times for intensive regulatory and sequence logic.
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Redundancy Support: Capable of being deployed in high-availability pairs to eliminate single points of failure within the control system.
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Mid-Tier Memory Overhead: Features 16 MB of RAM to accommodate substantial application programs and extensive variable mapping requirements.
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Network Reliability: Integrated dual Ethernet ports facilitate redundant communication paths for secure data exchange with HMI and engineering tools.
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Low-Latency I/O Synchronization: Dedicated ModuleBus link provides real-time updates from local S800 I/O hardware for precise signal processing.
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Passive Cooling Architecture: The fan-less hardware design minimizes maintenance and extends the service life of the unit in high-interference areas.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.