PM862K01 3BSE076940R1 ABB Programmable logic controller (PLC) CPU module

PM862K01 3BSE076940R1 ABB Programmable logic controller (PLC) CPU module

Product Overview

ABB PM862K01 (Model: 3BSE076940R1) is a high-performance CPU module for ABB AC 800M series programmable logic controllers (PLCS), specifically designed for medium and large-scale industrial automation and process control applications. As the core processing unit of the AC 800M system, PM862K01 offers powerful computing capabilities, large-capacity memory and rich communication interfaces, supporting complex control logic, high-speed I/O processing and seamless integration with DCS/SCADA systems.

This module is widely applied in critical industrial scenarios such as power, oil and gas, chemical engineering, water treatment, papermaking, and metallurgy, where extremely high requirements are placed on system stability, security, and scalability.

Core features

High-performance processor: 32-bit RISC architecture, execution speed up to 0.045 µs per instruction
Large-capacity memory
User program storage: 4 MB
Data storage: 4 MB
Support battery backup RAM (optional)
Built-in communication interface
2 × Ethernet (10/100 Mbps) : Supports Modbus TCP, OPC UA, and AC 800M dedicated protocols
1 × RS-232/RS-485: For local debugging or serial device connection
Support redundant configuration (requires PM862K01R) : Achieve CPU hot standby to enhance system availability
High I/O capacity: Supports up to 16,000 I/O points (via S800/S900 I/O stations)
LED status indication: Clearly display the statuses such as RUN, STOP, I/O BUS, ETH1/ETH2, ERROR, etc
Compliant with functional safety standards: Can be integrated into SIL2-level safety systems (in conjunction with safety I/O modules)
DIN rail mounting: Standard size, compatible with AC 800M control rack

Typical application scenarios
Full-process automated control of large-scale water plants or sewage treatment plants
Sequential and interlock control of auxiliary systems in power plants (such as fans and pump sets)
Continuous process and batch control in the petrochemical industry
Coordinated control of multiple transmission devices in metallurgical production lines
As the core controller of the ABB 800xA process control system, it realizes the integration of control, monitoring and data management

Compatibility Description

I/O system: S800, S900 series remote I/O
Communication networks: Profibus DP, Modbus, Ethernet/IP (via gateway), IEC 61850 (authorization required)
Programming software: ABB Control Builder M (based on IEC 61131-3 standard: LD, FBD, ST, SFC)
Operating system: AC 800M firmware (can be upgraded online via Control Builder M)
Redundancy support: It needs to be combined with PM862K01R (3BSE076941R1) to achieve hot standby redundancy

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