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Copy| Product Name | ABB PM863K02 3BSE088382R1 AC 800M High Integrity Redundant Processor Unit |
| Item NO. | 2931436 |
| Weight | 0.1 kg = 0.2205 lb = 3.5274 oz |
| Category | ABB |
| Brand | ABB |
| Creation Time | 2026-11-10 |
ABB System 800xA · AC 800M High Integrity
A redundant High Integrity controller kit for safety and process-control applications in System 800xA.
ABB PM863K02 3BSE088382R1 is an AC 800M High Integrity redundant processor unit for ABB System 800xA. The kit supplies two safety processor units that execute the same configured control application as a synchronized controller pair, allowing one unit to remain active while the partner maintains the redundant state.
Between the two processors, ABB PM863K02 3BSE088382R1 uses the supplied TK851 RCU-Link cable for redundancy communication. The TK850 CEX-bus cable connects the communication-expansion path, while field I/O remains organized through the controller installation so redundancy traffic, communication modules and process signals retain separate interfaces.
Safety configuration for ABB PM863K02 3BSE088382R1 is completed with Control Builder Safe and the applicable System 800xA engineering environment. Both processor identities, project versions and redundancy connections are checked together; validation includes synchronized operation and a controlled role-transfer test before the pair is accepted for service.
| Technical item | Specification |
|---|---|
| Brand | ABB |
| Model | PM863K02 |
| Ordering number | 3BSE088382R1 |
| Product name | AC 800M High Integrity redundant processor unit |
| Controller family | AC 800M / System 800xA |
| Integrity role | High Integrity controller; certified SIL3 |
| Processor speed | 96 MHz |
| Memory | 32 MB |
| Processor quantity | 2 PM863 safety processor units |
| Redundancy connection | TK851 RCU-Link cable |
| CEX-bus connection | TK850 CEX-bus expansion cable |
| Engineering software | Control Builder Safe 3 |
| System compatibility | System 800xA 6.1 and later |
| License | Not included |
| Brand country | Switzerland |
ABB PM863K02 3BSE088382R1 is installed as one coordinated redundant controller pair; the processor link, communication expansion and field-I/O paths are kept distinct so a fault can be traced to the correct part of the architecture.
The two processors run the configured application as a redundant pair. One unit controls the process while the partner receives the state information needed to assume the controller role without treating the processors as unrelated standalone CPUs.
The supplied TK851 cable carries redundancy communication directly between the processor units. Cable routing and connector seating are checked on both ends because an interrupted RCU-Link path prevents the pair from maintaining a valid redundant state.
The TK850 cable serves the CEX-bus expansion path, while process values arrive through the installed I/O architecture. Keeping these paths identified prevents communication-expansion work from being confused with controller-redundancy or field-I/O work.
The High Integrity execution of ABB PM863K02 3BSE088382R1 requires the complete controller pair, safety application and installed system to be handled as one validated configuration.
Record both processor identities, firmware and the approved safety project before replacement. A processor with the same enclosure is not sufficient unless the High Integrity execution and application record match the installed system.
Isolate controller power and affected field energy before changing a processor, RCU-Link or CEX connection. Label each redundant-side cable so the partner paths are not crossed during reassembly.
After downloading the approved application, confirm both processors reach the expected state, safety diagnostics are clear and synchronization is complete. Perform the authorized role-transfer and proof checks before returning the controller pair to service.
Verify the complete ABB PM863K02 3BSE088382R1 ordering record, both processor identities, System 800xA version, firmware and approved safety project. Matching only the PM863 family name does not confirm the redundant High Integrity kit.
For ABB PM863K02 3BSE088382R1, inspect the TK851 RCU-Link connection, partner configuration and synchronization diagnostics. Two powered processors do not form a valid pair until their redundancy link and project states agree.
Save the ABB PM863K02 3BSE088382R1 safety application, hardware configuration, firmware information, processor identities and current diagnostics so the rebuilt pair can be compared with the approved record.
Trace the TK850 CEX-bus cable and the addressed communication modules for ABB PM863K02 3BSE088382R1. Keep this check separate from RCU-Link troubleshooting because the two cables serve different paths.
A single processor may be handled only under the authorized maintenance procedure; ABB PM863K02 3BSE088382R1 is supplied and validated as a redundant High Integrity pair, so final acceptance requires both units synchronized.
ABB PM863K02 3BSE088382R1 is ready after the approved safety project is loaded, both processors synchronize, diagnostics are clear and the required safety and controlled role-transfer tests pass.
Moore Automation keeps High Integrity controller enquiries tied to the complete ABB model, order number, software context and requested quantity.
Processor-pair details, cable references and destination notes remain attached to the same record so redundant safety hardware is reviewed without separating its associated configuration.
Send the complete model and requested quantity.
Moore Automation Sales Team
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