PM851K01 3BSE018168R1 ABB AC 800M CPU Kit
Manufacturer: ABB
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Part Number: PM851K01
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 PM851K01 AC 800M CPU Processor Kit
The ABB PM851K01 3BSE018168R1, also cataloged as the PM851K01 CPU Processor Kit, operates as a dedicated hardware component for real-time control and logic execution within AC 800M system architectures. The module processes binary and complex control tasks deterministically, executing 1000 boolean operations in 0.46 ms across localized process control loops.
Suffix Breakdown & Model Matrix
| Part Number | Base Kit Model | Included Subsystem Hardware Components |
|---|---|---|
| 3BSE018168R1 | PM851K01 | PM851 CPU, TP830 Baseplate (115 mm), TB850 CEX Bus Terminal, TB807 ModuleBus Terminator, Backup Battery, 4-Pin Power Plug |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM851K01 3BSE018168R1 |
| Brand | ABB |
| Origin | Sweden |
| Weight | Standard kit envelope |
| Dimensions | TP830 base width 115 mm |
| Operating Temp | Standard industrial cabinet range |
| Power Consumption | Nominal 24 VDC external supply via 4-pin plug |
| Clock Frequency | 24 MHz |
| Available RAM | Up to 12 MB (6.253 MB dedicated for application) |
| Communication Interfaces | 2 x Ethernet (CN1, CN2), 2 x Serial (COM3 RS-232C, COM4 isolated) |
Backplane Bus Communication & Deterministic Network Execution
The PM851K01 CPU kit manages CEX-Bus and ModuleBus interface data traffic to ensure low-latency communication with connected I/O clusters and expansion modules. High-speed backplane bus transmission velocity guarantees deterministic synchronization between the central processing engine and field interface units. Internal firmware flash compatibility facilitates smooth application code deployment and retains user logic in non-volatile memory during unpowered rack conditions. High-density I/O routing capabilities allow the unit to scale across complex 800xA network topologies without compromising cyclic execution intervals.
Frequently Asked Questions
Q: What physical interfaces handle system configuration and network connectivity on the PM851 module?
A: Ethernet port CN1 handles primary network communication, while CN2 provides auxiliary connections. Serial port COM3 supports RS-232C communications, and COM4 provides isolated connectivity for programming tools.
Q: How does the backup battery safeguard user application data during main power loss?
A: The included backup battery sustains volatile RAM contents, preserving active application execution code and system configuration registers during unpowered states.
Q: Can the PM851K01 module be hot-swapped onto an active TP830 base unit?
A: Module replacement must follow strict system safety procedures; while the baseplate allows slide-and-lock mechanical retention, removing the active CPU breaks execution and requires controlled controller switchover in redundant layouts.
Field Installation Guidelines
Mount the TP830 baseplate securely onto a standard DIN rail using the integral slide-and-lock mechanism. Ensure that the chassis is connected to the cabinet ground bus prior to seating active electronics. Install the TB850 CEX bus terminal and TB807 ModuleBus terminator on the designated baseplate ends to maintain proper bus line termination and signal reflections control.
Align the PM851 CPU module vertically with the guide slots on the TP830 baseplate and push firmly until the locking tabs snap into place. Connect the 4-pin power plug to a regulated 24 VDC power supply, ensuring correct polarization. Route Ethernet cables (CN1/CN2) and serial communication lines away from AC power wiring, maintaining at least 200 mm clearance to prevent electro-magnetic interference. Ground all cable shielding to the cabinet functional earth bus.