ABB PM860K01 3BSE018100R1 AC 800M Processor Unit Kit
Configured for control application execution in ABB System 800xA platforms, the ABB PM860K01 3BSE018100R1 (PM860 Processor Unit Kit) provides direct physical/electrical execution across local I/O modules and industrial communication links. The hardware set integrates an MPC860 processor running at 48 MHz with 8 MB of RAM, providing 5 MB of dedicated application memory. Execution logic coordinates data exchange across dual 10Base-T Ethernet ports, two RS-232C serial ports, a CompactFlash expansion interface, and CEX-Bus backplane connections.
Suffix Breakdown & Model Matrix
| Included Component / Kit Model | Part Number / Designation | Structural Role & Physical Interface |
|---|---|---|
| PM860 Processor Unit | PM860 | Core CPU board containing 48 MHz MPC860 processor, 8 MB RAM, 2 MB Flash PROM, real-time clock, and CompactFlash slot |
| TP830 Baseplate Assembly | Included in PM860K01 Kit | Termination and mounting backplane providing dual RJ45 Ethernet ports (CN1, CN2) and dual RJ45 serial ports (COM3, COM4) |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PM860K01 (Base Model: PM860) |
| Brand | ABB |
| Origin | Sweden |
| Weight | 0.9 kg (2 lbs) |
| Dimensions | 127 x 152 x 203 mm |
| Operating Temp | +5 to +55 deg C |
| Power Consumption | Approx. 5 W (180 mA typical, 300 mA maximum at 24 VDC) |
| Permitted Supply Range | 19.2-30 VDC nominal |
| Microprocessor | MPC860 (48 MHz) |
| System Memory | 8 MB RAM (Approx. 5 MB for application data) |
| Flash PROM | 2 MB |
| Network Protocols | MMS and IAC via IEEE 802.3 Ethernet |
| Serial Interfaces | COM3 (RS-232C, 75-19,200 baud, modem control); COM4 (RS-232C, 9,600 baud, isolated service tool) |
| CEX-Bus Capacity | Up to 12 communication interfaces (2.4 A maximum supply current) |
| ModuleBus Capacity | 1 electrical cluster (up to 12 S800 I/O units) or up to 7 optical clusters |
| Enclosure Protection | IP20 |
Backplane Bus Communication Velocity & Firmware Flash Compatibility
The internal system architecture utilizes dedicated backplane routing to maintain deterministic bus scan cycles between the CPU memory map and downstream expansion racks. Electrically isolated CEX-Bus driver lines deliver up to 2.4 A to attached communication interface cards while maintaining stable backplane bus communication velocity across complex network topologies. System firmware stored in the onboard 2 MB non-volatile Flash PROM maintains firmware flash compatibility with AC 800M system software versions, preventing version mismatch errors during application downloads and cold restart routines.
Frequently Asked Questions
Q: What are the electrical distinctions between serial ports COM3 and COM4 on the PM860 baseplate?
A: COM3 is an RS-232C port supporting modem control signals and variable baud rates from 75 to 19,200 baud. COM4 is an optically isolated RS-232C port fixed at 9,600 baud, designed specifically for dedicated local configuration tool connection.
Q: How is application data retained during main 24 VDC power interruptions?
A: Volatile RAM contents and real-time clock operations are sustained using an onboard lithium battery backup system. Retain values can also be written to an inserted CompactFlash memory card prior to planned system shutdown.
Field Installation Guidelines
Mount the baseplate vertically onto a standard 35 mm DIN rail inside a protective cabinet to facilitate natural convection cooling across the internal heat dissipation slots. Maintain a minimum vertical separation distance of 50 mm above and below the processor housing for unhindered airflow. Secure the system 24 VDC power wiring to the terminal block, ensuring the power supply operating window remains strictly within 19.2 and 30 VDC. Route communication and serial cables through separate wiring channels away from high-voltage AC lines, grounding all cable shields to the central enclosure earth ground bar.
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| Warranty | 12 Months |
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