ABB PM856AK01 AC 800M Processor Unit

Description

Technical Specifications

• Product Type: AC 800M Controller Processor Unit
• Compatible Systems: ABB System 800xA, AC 800M Platform
• Processor: 32-bit RISC high-performance industrial CPU
• Clock Speed: 24 MHz
• Processing Performance: 0.46 ms per 1000 Boolean instructions
• Memory:
  • RAM: 16 MB total, with 10.337 MB available for user applications
  • Flash Memory: Onboard non-volatile flash memory for program and data storage
  • Memory Backup: Battery-backed RAM ensures data retention during power loss
  • External Storage: CompactFlash interface for program backup and expansion
• Power Supply: 24 VDC nominal input
• Power Consumption: Low-power design for efficient operation
• Physical Dimensions (W × H × D):
  • Module: 119 mm × 186 mm × 135 mm
  • Baseplate (TP830): 115 mm width
• Weight: 1.1 kg (including base unit)
• Mounting: Standard DIN-rail mounting (EN 50022)
• Operating Temperature: -20°C to +60°C
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5–95% non-condensingABB
• Vibration Resistance:
  • 10–50 Hz: 0.0375 mm amplitude
  • 50–150 Hz: 0.5 g acceleration
  • 5–500 Hz: 0.2 g accelerationABB
• Protection Rating: IP20 (EN 60529, IEC 529)ABB
• Environmental Compliance: G3 corrosion protection (ISA 71.04)ABB
• Communication Interfaces:
  • Ethernet: 2× RJ45 ports (10 Mbps), Control Network (MMS/IAC protocols)ABB
  • Serial: 2× RJ45 serial ports (COM3: RS-232C; COM4: isolated for configuration)
  • Fieldbus: Supports integration via modules (Profibus DP, Modbus, etc.)
• Certifications: CE, UL, cUL, ATEX (Ex nA IIC T4), DNV-GL, ABS, LR, CCCABB

Key Features

• High-Performance Real-Time Processing:
  • Powerful 32-bit RISC processor with 24 MHz clock for fast execution of complex control logic.
  • Supports multi-tasking operations, running multiple control applications simultaneously.
  • Minimum application cycle time down to 1 ms, ensuring high-precision real-time control.
  • Supports up to 32 concurrent user applications.
• Reliable Memory & Data Management:
  • Large 16 MB RAM with battery backup secures critical process data against power failures.
  • Non-volatile flash memory stores firmware and user programs securely.
  • CompactFlash card slot enables easy program transfer, backup, and firmware upgrades.
• Comprehensive Communication Suite:
  • Dual built-in Ethernet ports for seamless connection to the System 800xA control networkABB.
  • Dedicated serial ports for engineering tools and peripheral devices.
  • Supports standard industrial protocols (Modbus TCP, OPC, Profibus DP) for versatile integration.
• Robust Industrial Design:
  • Rugged construction withstands extreme temperatures, vibration, and corrosive environments (G3 rating)ABB.
  • Comprehensive EMC protection ensures stable operation in electrically noisy environmentsABB.
  • Hot-swappable design allows for maintenance and replacement without system shutdown.
  • Built-in LED indicators and self-diagnostics for real-time module health monitoring.
• User-Friendly Engineering & Flexibility:
  • Fully compatible with ABB Control Builder M and Automation Builder software.
  • Supports all IEC 61131-3 programming languages (LD, FBD, ST, IL, SFC).
  • Modular design supports easy expansion with a wide range of I/O and communication modules.
  • Backward compatible with legacy ABB systems, simplifying platform upgrades.

Application Scenarios

• Power Generation:
  • Boiler and turbine control systems in thermal, gas, and combined-cycle power plants.
  • Grid interconnection, load distribution, and auxiliary power system automation.
• Oil & Gas Industry:
  • Process automation for refineries, offshore platforms, and pipeline transportation.
  • Control of distillation columns, cracking units, and storage terminal operations.
• Chemical & Pharmaceutical:
  • Precision control of chemical reactors, polymerization, and batch processing systems.
  • Automation of cleanroom manufacturing and pharmaceutical production lines.
• Water & Wastewater:
  • SCADA and process control for water purification, sewage treatment, and pumping stations.
  • Automatic control of chemical dosing, filtration, and distribution networks.
• Metals & Mining:
  • Control systems for steel rolling mills, smelting furnaces, and continuous casting.
  • Ore crushing, grinding, and material handling process automation.
• Cement & Glass:
  • Rotary kiln control, raw material grinding, and clinker production automation.
  • Glass melting, forming, and quality control process management.
• Manufacturing & General Industry:
  • Automated production lines, assembly machinery, and robotic workstations.
  • Control of pumps, fans, compressors, and material handling systems.