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| Model Number : | PM866AK02 |
| Brand Name : | ABB |
ABB AC 800M Controller Hardware
A complete ABB redundant PM866A processor package with two CPUs, two TP830 baseplates, the RCU/CEX links and one memory-backup battery per processor.
ABB PM866AK02, article 3BSE081637R1, is the redundant PM866A processor package for AC 800M. The kit contains two processor assemblies, two TP830 baseplates, the specified terminators and redundancy cables, plus two backup batteries for the CPU pair.
| Model / article number | PM866AK02 / 3BSE081637R1 |
|---|---|
| Package configuration | Redundant processor kit |
| Processor type / clock | MPC866 / 133 MHz |
| Performance, 1,000 Boolean operations | 0.09 ms |
| Memory per processor | 64 MB |
| Redundant switch-over | Maximum 10 ms |
| Power supply | 24 VDC; permitted range 19.2–30 VDC |
| Processor units | 2 × PM866A CPUs |
|---|---|
| Baseplates | 2 × TP830, width 115 mm |
| ModuleBus terminators | 2 × TB807 |
| CEX-Bus expansion cable | 1 × TK850 |
| CPU redundancy link | 1 × TK851 RCU-Link cable |
| Memory-backup batteries | 2 × 4943013-6, one per CPU |
| License | Not included |
Install TK851 between the two RCU-Link connectors and verify both processor status indications.
Connect both CPUs to the same CEX-Bus through TK850 or the approved BC810/BC820 arrangement.
Connect redundant CPUs to S800 I/O through optical ModuleBus and two TB840 units; do not use the electrical ModuleBus.
Used when procurement needs the defined dual-processor package, not just a visually similar CPU pair.
Check TK851 continuity, both baseplate supplies, firmware equality, project configuration and controller diagnostics.
Inspect TK850 or BC810/BC820, segment power and communication-interface LEDs; either processor must be able to control the expansion units.
| Internal battery backup time | At least 158 hours |
|---|---|
| Ethernet channels | 2 × RJ45 Control Network ports |
| Serial interfaces | COM3 RS-232C, 75–19,200 baud; isolated COM4 service port, 9,600 baud |
| ModuleBus capacity | Up to 96 I/O modules in single-CPU configuration; 84 in redundant configuration |
| Dimensions per processor (W × H × D) | 119 × 186 × 135 mm |
| Operating temperature | 0 to +55 °C (+32 to +131 °F) |
Commercial supply support, separate from ABB technical documentation.
A responsive team for planned maintenance and urgent spare requirements.
Part number and visible condition reviewed.
Available testing stated on the quotation.
Protective packing and prompt issue review.
Terms confirmed before the order is placed.
These part numbers are independent purchasing references only. They are not replacements for the product on this page. Compatibility and stock must be confirmed separately for each item.
Two CPUs, two TP830 baseplates, two TB807 terminators, one TK850 cable, one TK851 cable and two memory-backup batteries; no license is included.
Use the supplied TK851 RCU-Link cable. Both processors also connect to the same CEX-Bus.
No. Redundant CPUs connect S800 I/O through optical ModuleBus and two TB840 units.
ABB specifies a maximum of 10 ms, with process outputs frozen during the transfer.
Match firmware and application data, verify both baseplate supplies and bus links, confirm primary/backup health, then follow the site-approved test procedure.
Provide the part number, quantity, destination, required date, machine/system model, firmware release, installed CEX/I/O arrangement and labels for both CPUs.
For a faster technical and commercial check, send the installed-part details before the requested ship date.
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