PM858K02 ABB AC 800M Series CPU Processor Module
Manufacturer: ABB
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Part Number: PM858K02 3BSE082896R1
Condition：New with Original Package
Product Type: CPU Processors
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB PM858K02 CPU Processor Module
The ABB PM858K02 3BSE082896R1, also cataloged as the PM858K02 CPU Module, operates as a dedicated hardware component for executing real-time control logic and data processing tasks within ABB System 800xA network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM858K02 (3BSE082896R1) |
| Brand | ABB |
| Origin | N/A |
| Weight | 2.7 kg |
| Dimensions | 186 mm x 119 mm x 135 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | 12 W |
| Processor Type | MPC866 (33 MHz) |
| Memory | 16 MB |
Industrial Control & Processing Architecture
The PM858K02 module manages system-wide operations through optimized backplane bus communication velocity, ensuring deterministic execution of control loops. The processor supports firmware flash compatibility via its integrated CompactFlash interface, allowing for version-specific updates within the AC 800M ecosystem. To ensure stable operation, the unit implements rigorous I/O density scaling management and maintains synchronization across redundant controller pairs via dedicated RCU-Link cables. Each base plate provides a unique hardware identity through a designated Ethernet address, which is cross-referenced by the CPU during initialization to maintain valid network segmentation and communication mapping.
Frequently Asked Questions
Q: What are the primary requirements for CPU redundancy in this module?
A: The PM858K02 requires a dual-controller configuration linked by an RCU-Link cable (TK851). This setup enables the redundant unit to mirror the primary CPU state and allows for automatic switchover of the CEX-Bus and I/O communication interfaces upon hardware failure.
Q: Is the COM3 port capable of direct configuration tool communication?
A: No, the COM3 port is designated as an RS-232C interface with modem control signals. Configuration tools must be connected via the isolated COM4 port to ensure signal integrity and prevent ground loop interference.
Field Installation Guidelines
- Base Plate Installation: Attach the TP830 base plate to the DIN rail using the provided slide and lock mechanism. Verify the mechanical seating of the module before applying power to prevent backplane contact degradation.
- Network Connectivity: Connect the Control Network via the dual RJ45 ports (CN1, CN2). Utilize shielded cabling and ensure the Ethernet address label on the base plate is accessible for network topology verification.
- ModuleBus Termination: Install the TB807 ModuleBus terminator at the end of each I/O chain to prevent signal reflections and maintain communication bus stability.
- Data Integrity: Ensure the lithium batteries (4943013-6) are installed in the memory backup slots. A low-voltage state on these batteries will trigger an alert, and failure to replace them may result in the loss of volatile configuration data during power cycles.