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ABB PM867K02 3BSE081638R1｜Redundant Processor ｜
The CPU board integrates the core processing and system management components, including:
Microprocessor with onboard RAM memory
Real-time clock
LED status indicators
INIT push button
CompactFlash interface for firmware and storage
The TP830 baseplate of the PM867 controller provides the following communication interfaces:
Two RJ45 Ethernet ports (CN1, CN2): For Control Network connectivity
Two RJ45 serial ports (COM3, COM4):
COM3: RS-232C with full modem-control signals
COM4: Electrically isolated port dedicated for configuration tools
The controller supports full CPU redundancy, including redundancy of the CPU module, CEX-Bus, communication interfaces, and S800 I/O, ensuring high system availability in demanding industrial applications.
High-Integrity (Safety) Functionality
High-integrity capabilities are enabled by installing an SM812 safety module and using SIL-certified software.
With this configuration, the AC 800M High Integrity controller provides:
IEC 61508-compliant safety functionality
TÜV-certified SIL 2 / SIL 3 performance levels
Combined safety and business-critical process control within a single controller—without compromising safety integrity
Compatibility:
High-Integrity mode is supported only on 800xA version 6.0.2 and later (see ABB Product Update for details).
Package Contents
The PM867 High-Integrity / Redundant package includes:
2 × PM867 CPU modules
2 × TP830 Baseplates (115 mm width)
2 × TB807 ModuleBus terminators
1 × TK850 CEX-bus expansion cable
1 × TK851 RCU-Link cable
2 × Lithium batteries for memory backup (Part No. 4943013-6; one per CPU)
Features and Benefits
ISA Secure certified
SIL 3 support when used with PM865/SM811 or PM867/SM812 combinations
Supports S800 I/O High Integrity (PM865, PM866A, PM867, PM891)
Fully configurable using 800xA Control Builder
Comprehensive EMC certification ensures robust operation in industrial environments
TÜV-certified for SIL 2 and SIL 3 applications
Built-in redundant Ethernet communication ports improve network reliability
ABB PM867K02 3BSE081638R1｜Redundant Processor ｜
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By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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