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ABB PM866AK02 3BSE081637R1 Redundant Processor Unit Kit

ABB PM866AK02 3BSE081637R1 Redundant Processor Unit Kit

Item NO.: 3BSE081637R1
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ABB PM866AK02 3BSE081637R1 Redundant Processor Unit Kit
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Warranty: 1 year warranty


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Detail

  • Product NameABB PM866AK02 3BSE081637R1 Redundant Processor Unit Kit
  • Item NO.3BSE081637R1
  • Weight2.7000 kg = 5.9525 lb = 95.2397 oz
  • CategoryDCS> ABB
  • TagABB, PM866AK02, AC 800M
  • BrandABB
  • Creation Time2026-08-10
  • ABB PM866AK02 (3BSE081637R1) is a redundant AC 800M processor unit kit with two PM866A CPUs, 133 MHz processing, 64 MB memory and built-in redundant Ethernet ports.
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ABB PM866AK02 Redundant Processor Unit Kit

ABB PM866AK02, article number 3BSE081637R1, is a redundant processor unit kit for the ABB AC 800M controller family. The controller supports redundancy for the CPU, CEX-Bus, communication interfaces and S800 I/O, providing higher availability for industrial control applications.


Product Identification
Brand ABB
Model PM866AK02
Article number 3BSE081637R1
Product family AC 800M Controllers
Product type Redundant processor unit kit
Redundancy Yes
High Integrity No


Processor, Performance and Memory
Processor type MPC866
Clock frequency 133 MHz
Performance 0.09 ms per 1,000 Boolean operations
Memory 64 MB
RAM available for application 51.389 MB
Flash memory for storage Yes
Firmware storage 4 MB Flash PROM
Redundant switchover time Maximum 10 ms


Power and Communication
Power supply 24 V DC (19.2–30 V DC)
Current consumption 210 mA typical / 360 mA maximum
Power dissipation 5.1 W typical / 8.6 W maximum
Ethernet channels 2
Ethernet interface IEEE 802.3, 10 Mbit/s, RJ-45
Control Network protocols MMS and IAC
RS-232C interfaces 2
Clock synchronization 1 ms between AC 800M controllers using CNCP


Controller Capacity
Applications per controller 32
Programs per application 64
Diagrams per application 128
Tasks per controller 32
Different cycle times 32
Cycle time Down to 1 ms
CEX-Bus communication modules 12
ModuleBus I/O capacity Maximum 96 modules for a single PM866 or 84 modules for a redundant PM866 configuration


Mechanical and Environmental Data
Width 119 mm (4.7 in.)
Height 186 mm (7.3 in.)
Depth 135 mm (5.3 in.)
Weight including base, K02 2.7 kg (5.95 lb)
Protection class IP20
Mounting DIN-rail mounting with slide-and-lock mechanism
RoHS compliance EU RoHS, UAE RoHS and China RoHS
WEEE compliance Directive 2012/19/EU


Package Contents
  • 2 × PM866A CPU
  • 2 × TP830 baseplate, width 115 mm
  • 2 × TB807 ModuleBus terminator
  • 1 × TK850 CEX-Bus expansion cable
  • 1 × TK851 RCU-Link cable
  • 2 × memory backup battery (4943013-6), one for each CPU
  • No license included


Features and Benefits
  • Reliability and straightforward fault diagnosis
  • Modular design for step-by-step expansion
  • IP20 protection without requiring an additional enclosure
  • Configuration with ABB 800xA Control Builder
  • Full EMC certification
  • Sectioned CEX-Bus using BC810 or BC820 pairs
  • Standards-based connectivity, including Ethernet and PROFIBUS DP
  • Built-in redundant Ethernet communication ports


Official ABB Sources

Product information is compiled exclusively from ABB official materials:

  • ABB PM866AK02 official product page
  • ABB PM866AK02 official data sheet
  • ABB System 800xA 6.2 Product Catalog

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