Overview
Configured for redundant CPU execution and controller coordination in ABB System 800xA and AC 800M platforms, the ABB PM864AK02 (PM864AK02 Redundant Processor Unit) provides direct processor synchronization and control data handling.
Suffix Breakdown & Model Matrix
The PM864AK02 is identified as a redundant processor unit kit. The supplied documentation does not define separate suffix functions beyond the complete ordering designation.
| Parameter | Specification |
|---|---|
| Model | PM864AK02 |
| Brand | ABB |
| Product ID | 3BSE018164R1 |
| Product Type | Central Unit |
| Origin | Sweden |
| Weight | 2.9 kg |
| Dimensions | 135 mm depth x 186 mm height x 119 mm width |
| Processor Configuration | Redundant Processor Unit Kit |
| System Platform | ABB System 800xA / AC 800M |
| Redundancy Function | Dual CPU redundant configuration |
| Exchange Number | EXC3BSE018161R1 |
| Included CPU Units | 2 x PM864A CPU |
| Baseplate | 2 x TP830, width 115 mm |
| Expansion Cable | TK850 CEX-bus expansion cable |
| ModuleBus Termination | 2 x TB807 ModuleBus terminators |
| Redundancy Link | TK851 RCU-Link cable |
| Memory Backup | Battery backup included, 1 battery per CPU |
| Battery Type | Lithium portable battery |
| Battery Quantity | 2 |
ABB Industrial Controller Redundancy and Bus Synchronization
The PM864AK02 uses a dual processor arrangement to execute controller tasks with synchronized operation between CPU units. Moreover, the kit includes RCU-Link cabling and CEX-bus expansion components for processor communication and hardware coordination.
The processor unit supports ABB controller architectures that require redundant CPU execution. In addition, the included TP830 baseplates and TB807 ModuleBus terminators provide the physical connection structure required for the redundant assembly.
The module follows ABB industrial control hardware design principles, including backplane bus communication management, I/O density scaling capability, and firmware flash compatibility within supported AC 800M controller environments.
Frequently Asked Questions
Q: Does the PM864AK02 include both processor units for redundant operation?
A: Yes. The kit includes two PM864A CPU units together with the required redundant connection components.
Q: What hardware components are included with the PM864AK02 kit?
A: The package includes PM864A CPUs, TP830 baseplates, TK850 CEX-bus expansion cable, TB807 ModuleBus terminators, TK851 RCU-Link cable, and memory backup batteries.
Q: Can the PM864AK02 operate as a standalone single processor unit?
A: The PM864AK02 is specified as a redundant processor unit kit and is configured for dual CPU operation within compatible ABB controller systems.
Field Installation Guidelines
Install the PM864AK02 on the specified ABB controller baseplate assembly and verify mechanical alignment before applying power.
Connect the TK851 RCU-Link cable between redundant processor assemblies according to ABB installation documentation. Furthermore, install the TK850 CEX-bus expansion cable and TB807 ModuleBus terminators with correct connector orientation.
Maintain proper cabinet grounding and separate processor communication wiring from high-voltage power cables. Keep lithium battery connections protected during installation and replacement procedures.
Verify firmware compatibility between processor units and the target AC 800M controller configuration before commissioning the redundant controller system.
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