Redundant Processor Unit ABB PM867K02 AC 800M
Manufacturer: ABB
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Part Number: PM867K02
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 PM867K02 Redundant Processor Unit
The ABB PM867K02, also cataloged as the PM867 Processor Unit, operates as a dedicated hardware component for high-integrity logic execution within AC 800M control system platforms.
Suffix Breakdown & Model Matrix
| Model | Description |
|---|---|
| PM867 | Base Processor Module |
| PM867K02 | Redundant Processor Kit (2x PM867, 2x TP830, Interconnect Cables) |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM867K02 |
| Brand | ABB |
| Origin | Sweden |
| Weight | 2.7 kg |
| Dimensions | 119 mm (W) x 186 mm (H) x 135 mm (D) |
| Operating Temp | Per IEC 61131-2 standards |
| Power Consumption | 5.1 W (typical) / 8.6 W (max) |
| Processor | MPC866, 133 MHz |
| Safety Integrity | SIL 3 (IEC 61508 / TUV certified) |
| Supply Voltage | 24 V DC (19.2-30 V DC) |
Industrial Control and Firmware Compatibility
The ABB PM867K02 utilizes the MPC866 microprocessor architecture to maintain deterministic performance in safety-critical applications. Firmware flash compatibility is restricted to 800xA 6.0.2 and later system versions, requiring specific configuration via the Control Builder environment. The controller facilitates deterministic network operations through dual 10Base-T Ethernet ports, ensuring high-speed communication via MMS and IAC protocols. Backplane bus communication velocity is managed through integrated CEX-Bus and ModuleBus interfaces, supporting high-density I/O configurations while maintaining strict loop cycle timing. Boolean operations are executed at a rate of 0.09 ms per 1000 operations, providing the processing throughput required for fault-tolerant safety shutdown sequences.
Frequently Asked Questions (FAQ)
Q: What is the maximum switchover time during redundant CPU operation?
A: In a redundant configuration, the PM867 performs a seamless switchover with a total transition time of less than 10 ms.
Q: Is the SM812 safety module required for SIL 3 operation?
A: Yes, high-integrity functionality is enabled strictly by the addition of an SM812 module and the associated SIL-certified software.
Q: What is the purpose of the INIT push button on the front panel?
A: The INIT button is utilized to reset the CPU to a known state or to initiate firmware reload procedures from the CompactFlash interface.
Field Installation Guidelines
Mount the TP830 baseplates securely to the DIN rail before installing the CPU modules. Connect the TK850 CEX-bus extension cable and TK851 RCU-Link cable between the redundant units to facilitate synchronization. Install the TB807 ModuleBus terminators at the end of the I/O bus to prevent signal reflections. Apply 24 V DC power within the 19.2-30 V DC range, ensuring the chassis ground is tied to the common system earth point for EMC compliance. Use shielded twisted-pair cabling for all serial (COM3/COM4) connections to mitigate electromagnetic interference. Maintain a minimum clearance of 135 mm in depth to accommodate cabling and ensure adequate thermal airflow.