Part Number: 3BSE085687R1; Model: PM862-1; Product Name: ABB PM862-1 Central Processing Unit (CPU) Module; Product Series: ABB AC 800M Controller Series, Mid-Range Industrial Automation Controller Module
Brand: ABB (ABB Group, a global leader in power and automation technologies, providing high-reliability industrial control systems, modules, and solutions for process industries, manufacturing, and energy sectors worldwide.)
Product Status: Industrial-Grade Original Equipment (Factory Calibrated, 100% Functional, RoHS Compliant); Product Category: Rack-Mounted Industrial CPU Module, serving as the core processing unit for ABB AC 800M distributed control systems (DCS), specialized in medium-scale logic control, data acquisition, and system coordination tasks.
Core Application: Widely applied in food & beverage processing, pharmaceutical production, packaging machinery, water treatment plants, light chemical industries, and automotive assembly lines. Specifically suitable for medium-scale distributed control systems requiring stable processing performance, real-time data interaction, and seamless integration with ABB I/O modules, HMIs, and field devices.
Core Features: High-efficiency 32-bit RISC processor optimized for medium-scale control tasks; Integrated on-board memory for program storage and data logging; Support for mainstream industrial communication protocols and ABB proprietary protocols; Hot-swappable design enabling online maintenance without system shutdown; Optional redundancy configuration for enhanced operational availability; Comprehensive self-diagnostic and monitoring functions; Compliance with international industrial safety and EMC standards; Seamless integration with ABB Control Builder M software.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Processor & Memory Parameters
Processor: 32-bit RISC CPU (ABB-customized core), Operating Frequency: 300 MHz; Instruction Execution Speed: ≥ 0.8 MIPS (Million Instructions Per Second) for Boolean logic, ≥ 0.5 MIPS for floating-point operations;
Memory Configuration: RAM: 128 MB DDR SDRAM (Expandable via optional memory modules up to 256 MB), Flash Memory: 64 MB (For system firmware, application program storage, and data backup); Battery Backup: 3.6V Lithium Battery, Backup Time: ≥ 800 Hours (For RAM data retention when power is off);
Program Capacity: Maximum Application Program Size: 32 MB; Data Logging Capacity: Support for continuous data logging up to 50 MB (Configurable via software); Real-Time Clock: Built-in, Accuracy: ±2 minutes per month (At 25℃), Adjustable via software.
2.2 Communication & Interface Parameters
Backplane Interface: ABB AC 800M System Backplane, Data Transfer Rate: 500 Mbps, Supports daisy-chain connection with I/O modules and auxiliary modules;
External Communication Ports: 2×Ethernet Ports (10/100 Mbps Fast Ethernet, RJ45 Interface, Supporting TCP/IP, UDP, FTP, HTTP, SNMP, and ABB proprietary protocols such as AC 800M Inter-Control Communication);
Proprietary Interfaces: 1×Serial Port (RS-232, DB9 Interface, For configuration, debugging, and maintenance); Support for Expansion Interfaces: Compatible with ABB communication modules (such as PROFIBUS, PROFINET, Ethernet/IP modules) for fieldbus integration;
Supported Protocols: ABB Control Network Protocol, TCP/IP, Modbus TCP, PROFIBUS DP (via expansion module), PROFINET IO (via expansion module), Ethernet/IP (via expansion module), HART (via I/O modules).