ABB PM665(3BDS005799R1)is a high-performance central processing unit CPU module under ABB Symphony Plus system,which is the main core control card of DCS control system for large-scale process industries such as power stations,energy and chemical industry.It features high-speed operation,redundant operation,large-capacity program storage and multi-bus communication capabilities.

It is specially used in heavy industrial sites such as large generator sets,thermal power plants and water treatment plants,responsible for logic operation,data coordination,process control and equipment coordinated scheduling of the whole control system.

Main Functions

Core Main Control Operation:Undertakes high-precision computing tasks such as system control logic,sequence control program,interlock protection and closed-loop regulation.

Redundant Fault-Tolerant Operation:Supports seamless hot-switching of master and standby dual CPUs without disturbance,ensuring uninterrupted stable operation of the unit.

Multi-Bus Communication:Compatible with Symphony Plus dedicated bus,Ethernet and field bus,realizing high-speed data interaction with I/O modules,HMI and host system.

Mass Data Processing:Supports collection and operation of large-scale points,and manages analog and digital measurement signals of the whole unit.

Online Program Maintenance:Supports online program download,modification,upload and simulation debugging,realizing program optimization without shutdown.

Intelligent Fault Self-Diagnosis:Real-time self-check of hardware status,communication links and program operation status,realizing accurate alarm and fault location.

Clock Synchronization Management:Supports unified system time synchronization to ensure consistent control timing of the whole plant and meet the coordinated control requirements of large units.

Specification Parameters

Model:PM665,Part No.:3BDS005799R1

System:ABB Symphony Plus DCS Control System

Processor:Industrial high-performance main control processor

Program Memory:Large-capacity logic program operating memory

Power Supply:Backplane DC power supply

Operating Temperature:0℃~+60℃

Communication Speed:High-speed internal system bus transmission

Expansion:Support multiple series Symphony I/O sub-modules for point expansion

Installation:Standard Symphony cabinet rack mounting

Protection Class:IP20

Application:Thermal power,hydropower,biomass power generation,large chemical process control

Application Features

High Stability&Reliability:Power industry dedicated industrial design,anti-vibration and strong anti-electromagnetic interference,suitable for long-term continuous operation under harsh working conditions of power stations.

High Redundancy Safety Level:Automatic master-standby switching eliminates downtime caused by single-point faults,meeting high-level safety operation specifications of generator sets.

Powerful Computing Capacity:Short operation cycle and fast response speed,accurately completing coordinated control of steam turbines,boilers and auxiliary equipment.

Excellent System Compatibility:Fully compatible with all series of Symphony Plus hardware and supporting configuration software,realizing smooth upgrading of new and old systems.

Convenient Operation&Maintenance:Complete diagnostic information and intuitive status indicators simplify on-site inspection and troubleshooting.

Flexible Expandability:Various analog,digital and communication interface modules can be freely matched according to unit scale to adapt to units of different capacities.