PM866K01 3BSE050198R1 ABB System 800xA AC 800M Processor Unit 133 MHz, 64 MB RAM

PM866K01 3BSE050198R1 Processor Unit Kit

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Additional Information

Medium Description:	Processor Unit Kit
Product Type:	Central_Unit
Technical Information:	PM866K01 Processor Unit Kit Exchang Note! The replaced part PM866+TP830 with RMA to be returned according to T&C otherwise an extra charge will be required.
Dimensions:	19x12x13.8cm
Weight:	0.8kg

Specific Application

Fail-Safe Valve Actuation: Driving and monitoring critical 24 Vdc resistive or inductive solenoid valves up to 24 W in emergency shutdown systems.
Inductive Load Suppression: Managing heavy-duty inductive loops safely by utilizing a built-in dedicated suppression diode on every individual output channel.
Real-Time Loop Integrity Monitoring: Continuously auditing external field wiring configurations for instantaneous open-circuit (lead breakage) and short-circuit faults.

Ordering Information

Item / Kit Name	Article No.	Package Components Included
PM866K01 Processor Unit	3BSE050198R1	1 pc PM866 CPU Module1 pc TP830 Baseplate (width = 115mm)1 pc TB850 CEX-bus terminator1 pc TB807 ModuleBus terminator1 pc TB852 RCU-Link terminator1 pc Battery for memory backup (4943013-6)

System Compatibility

Automation Platform: Fully integrated into ABB System 800xA 6.0 and configured via the 800xA Control Builder M engineering tool.
Network Backbone: Connects to the Control Network using a recommended 100 Mbit/s to 1 Gbit/s Ethernet architecture (IEEE 802.3).
Module & Communications: Compatible with the TP830 baseplate, standard CEX-bus communication interfaces, ModuleBus termination hardware, and various fieldbus modules (e.g., CI853, CI854B, CI860).
Alternative Model
PM866K02 (3BSE050199R1): Redundant Processor Units Kit.
PM891K01 (3BSE053241R1): Next-tier high-performance Processor Unit.
Differences with Alternative Models
PM866K01 vs. PM866K02: The PM866K01 is a single processor unit kit containing one CPU module and its baseline termination accessories . In contrast, the PM866K02 is a pre-packaged redundant controller kit that bundles two complete PM866K01 units together with specialized interconnection hardware, including a CEX-bus expansion cable (TK850) and an RCU-Link cable (TK851).
PM866K01 vs. PM891K01: The PM866K01 runs at a 133 MHz clock frequency with 64 MB RAM (providing 51.402 MB available for applications) and processes 1,000 boolean operations in 0.09 ms. The PM891K01 delivers much higher performance, running at 450 MHz with 256 MB RAM (providing 199.233 MB available for applications) and executing 1,000 boolean operations in just 0.043 ms. Mechanically, the PM891 unit has a wider, distinct physical footprint (W 174 mm vs. W 119 mm).

Installation & Troubleshooting FAQ

Q1: What special tool or cable is highly recommended when initially configuring the PM866K01 unit?

The Tool Cable TK212A (Article no. 3BSC630197R1) is highly useful when working with AC 800M controllers. It features an RJ45 male connector on one end and a D-sub 9 female connector on the other. It should be ordered along with your first purchase of the processor unit to facilitate programming, diagnostics, and direct engineering tool communication via the RS-232C ports .

Q2: What happens if the final hardware assembly on a CEX-bus chain lacks a terminator module?

Every operational CEX-bus configuration requires proper electrical termination to prevent data corruption and signal reflection. A TB850 CEX-Bus Terminator (or a TB852 RCU Link Terminator depending on the redundancy setup) must always be installed physically on the very last hardware unit connected to the CEX bus line to ensure reliable communication.

Q3: My PM866K01 controller is losing its application program data after a complete power cycle. How do I fix this?

This issue indicates a missing, depleted, or failed memory backup battery. The PM866K01 kit relies on an included hardware battery (Part number 4943013-6) attached to the module base to keep the volatile RAM alive during power outages . Ensure the battery is physically plugged in correctly, check its charge status via the engineering software diagnostics, and replace it with a fresh lithium battery if it fails to maintain voltage.

Contact information

Please don’t hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction.

Sales Manager:Stella

Email:sales6@apterpower.com

Whatsapp:+86 18159889985

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