Product Details
Description
The PM856 3BSE018104R1 processor kit is a reliable solution for stable control, featuring a 32-bit RISC processor and 16 MB of RAM. It handles complex control programs, algorithms, and logic. The kit includes the CPU module and baseplate for easy DIN rail integration. With dual Ethernet ports for networking and a dedicated ModuleBus for local S800 I/O synchronization, it ensures high availability and supports redundancy for continuous operation. Its fanless, rugged design ensures long-term reliability in challenging environments with electrical noise and temperature variations.
Specifications
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Manufacturer: ABB
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Series: AC 800M
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Model Number: PM856
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Order Number: 3BSE018104R1
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Product Type: Processor Unit Kit
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Microprocessor: 32-bit RISC
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Memory Capacity: 16 MB RAM
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Flash Memory: 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 - 30 V DC)
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Mounting: 35mm Standard DIN rail
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Protection Class: IP20
Features
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Advanced Computational Core: Utilizes a powerful 32-bit RISC processor to maintain fast cycle times for demanding regulatory control loops.
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Redundant System Support: Designed for high-availability setups, allowing for bumpless CPU failover to prevent process interruptions.
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Expanded Data Handling: The 16 MB RAM capacity allows for larger application programs and more extensive variable mapping compared to entry-level models.
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Deterministic I/O Access: Features a high-speed ModuleBus link for direct and low-latency communication with S800 I/O clusters.
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Flexible Communication: Supports a variety of industrial protocols including MMS, Modbus TCP, and serial-based communication for third-party device integration.
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Rugged Industrial Housing: Engineered for maintenance-free operation with a passive cooling system and high resistance to electromagnetic interference.
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
Why Programmable Logic Controllers Drop into Stop Mode: An Expert Analysis
Industrial automation systems rely heavily on Programmable Logic Controllers (PLCs) to maintain uninterrupted production. When a PLC unexpectedly shifts from Run to Stop mode, whole manufacturing lines stall.
As control systems evolve across modern factory automation, understanding the root causes of these interruptions helps engineers minimize costly downtime. This technical guide breaks down why PLCs trip into Stop mode and provides practical strategies to mitigate system faults.
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.