PM858K02 Redundant AC 800M Controller Package | ABB

PM858K02 Redundant AC 800M Controller Package

The PM858K02 from ABB provides a complete redundant controller solution for high-availability automation systems. This comprehensive package includes all components needed for immediate redundant CPU deployment. It ensures continuous operation with fast switchover capability for critical control applications.

Package Contents

• Two PM858 CPU units for redundant operation
• Two TP830 baseplates with unique Ethernet addresses
• Two TB807 ModuleBus terminators for bus termination
• One TK850 CEX-bus expansion cable for module connectivity
• One TK851 RCU-Link cable for redundant CPU communication
• Two memory backup batteries (4943013-6) for data protection

Controller Architecture and Features

• Dual PM858 processors with MPC866 microprocessors at 33 MHz
• Each unit contains 16 MB RAM with 7.147 MB for applications
• Integrated real-time clocks with lithium backup batteries
• CompactFlash interfaces for firmware storage on both units
• Simple slide and lock mechanism for DIN rail mounting

Technical Specifications

• Manufacturer: ABB
• Model Number: PM858K02 (Article 3BSE082896R1)
• Processor Type: Dual MPC866 at 33 MHz each
• Memory Capacity: 16 MB RAM per processor, 4 MB Flash PROM
• Performance: 0.36 ms for 1000 boolean operations per CPU
• Switchover Time: Maximum 10 ms for seamless redundancy
• Minimum Cycle Time: 1 ms for application programs

Redundancy and High Availability

• Full CPU redundancy for continuous operation
• CEX-Bus redundancy for communication modules
• S800 I/O redundancy support for field devices
• Fast switchover under 10 ms for uninterrupted control
• Redundant power supply status monitoring
• Automatic failover without process interruption

Communication Interfaces

• Two RJ45 Ethernet ports per controller (CN1, CN2)
• Two RS-232C serial ports per unit (COM3, COM4)
• Supports MMS and IAC protocols over redundant networks
• 10 Mbit/s Ethernet speed with RJ-45 connectors
• Unique hardware Ethernet addresses on each baseplate

System Capacity and Performance

• Supports up to 32 applications per controller
• Handles 64 programs and 128 diagrams per application
• Manages 32 tasks with 32 different cycle times
• Modulebus supports maximum 84 I/O modules in redundant mode
• CEX-Bus supports up to 12 communication modules
• Event queue capacity of 3000 events per OPC client

Installation and Mounting

• Simple DIN rail attachment using slide and lock mechanism
• IP20 protection without additional enclosures required
• Unique Ethernet addresses on baseplates for hardware identity
• Easy detachment procedures for maintenance and replacement
• Complete kit for immediate redundant system deployment

Compatibility and System Requirements

• Requires System 800xA version 6.0.2 or later
• Compatible with Compact Control Builder 6.0.0-1 and onwards
• Configured with 800xA Control Builder engineering tool
• Supports sectioned CEX-Bus using BC810/BC820 modules
• Works with standard industrial communication protocols

Power Management

• Input Voltage: 24 V DC with 19.2-30 V operating range
• Power Consumption: 210 mA typical, 360 mA maximum per CPU
• Power Dissipation: 5.1 W per unit (8.6 W maximum)
• CEX Bus Supply: Maximum 2.4 A total current
• Modulebus Supply: 24V: 1.0A max, 5V: 1.5A max

Environmental Specifications

• Operating Temperature: +5 to +55 °C (+41 to +131 °F)
• Storage Temperature: -40 to +70 °C (-40 to +158 °F)
• Relative Humidity: 5 to 95% non-condensing
• Maximum Altitude: 2000 meters according to IEC/EN 61131-2
• Pollution Degree: Degree 2 per IEC/EN 61131-2
• Protection Rating: IP20 according to EN60529
• Noise Emission: Less than 55 dB for quiet operation

Certifications and Compliance

• CE marked for European market compliance
• ISA Secure certified for cybersecurity protection
• UL 61010-1 and UL 61010-2-201 for electrical safety
• cULus Class 1, Zone 2 for hazardous locations
• Marine certificate: DNV-GL for maritime applications
• EMC: EN 61000-6-4, EN 61000-6-2
• RoHS compliance: EN 50581:2012

Physical Specifications

• Controller Dimensions: 119×186×135 mm per unit
• Package Weight: 2700 g (5.95 pounds) total
• Single Unit Weight: 1200 g (2.6 pounds) for PM858K01
• Protection Class: IP20 for industrial environments

Frequently Asked Questions

• What is included in the PM858K02 package? Two PM858 CPUs, baseplates, cables, terminators, and backup batteries.
• What is the switchover time in redundant mode? Maximum 10 milliseconds for seamless operation.
• What systems is this compatible with? System 800xA 6.0.2 and Compact Control Builder 6.0.0-1.
• How many I/O modules can it support? Maximum 84 I/O modules in redundant configuration.
• Does it include memory backup? Yes, includes two lithium backup batteries for data protection.
• What is the processor performance? 0.36 ms for 1000 boolean operations per CPU.

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