HC800 是 ABB 的高端过程控制器（DCS CPU），属于 AC 800M / Symphony Plus SD 系列，
用于电力、化工、冶金等大型流程工业，强调高可靠、冗余、大 I/O 容量。
一、定位与系列
全称：ABB HC800 高性能过程控制器
归属：AC 800M DCS / Symphony Plus SD 系列
用途：工厂级核心控制，处理复杂回路、批量、联锁与通信，非普通 PLC
二、核心硬件参数
处理器：256MHz 32 位 ColdFire（PowerPC 架构）
内存：512MB ~ 4GB（可配置）
最大 I/O：≥5000 点，250ms 内闭环
功能块：30,000 个，支持8 个任务段，周期 1ms
冗余：专用冗余总线，切换 < 100ms，支持热备
尺寸：211×244×79mm；重量：0.88kg
环境：-20°C ~ +60°C（工作），-40°C ~ +85°C（存储）
三、通信与 I/O
网口：双千兆以太网（冗余）
总线：Profibus DP（主站）、Modbus TCP、IEC 60870-5-104等
I/O 系统：同时支持SD 系列 I/O、Harmony Rack I/O、S800 I/O
四、软件与编程
编程：符合IEC 61131-3（梯形图、功能块、结构文本等）
工程工具：Control Builder M（CBM），在线组态 / 下载 / 诊断
固件：可在线升级，支持 NVRAM/RAM 扩展
五、典型应用行业
电力：火电、水电、核电（锅炉、汽机、辅机控制）
化工 / 石化：反应釜、精馏、聚合、安全联锁（SIS）
冶金：高炉、连铸、轧线、加热炉
水处理：大型污水 / 净水厂、泵站集群
六、与普通 PLC 的区别
HC800（DCS 控制器）：面向连续过程、大 I/O、高冗余、高稳定性，适合 24/7 运行
普通 PLC：侧重逻辑 / 顺序、中小型 I/O、运动控制，成本更低
七、型号常见写法
HC800（基础型）
HC800-PEC（带特定固件 / 功能）
HC800 is ABB's high-end process controller (DCS CPU), belonging to the AC 800M/Symphony Plus SD series,
Used in large-scale process industries such as power, chemical, metallurgical, etc., emphasizing high reliability, redundancy, and large I/O capacity.
1、 Positioning and Series
Full name: ABB HC800 High Performance Process Controller
Belonging to: AC 800M DCS/Symphony Plus SD Series
Purpose: Factory level core control, handling complex circuits, batches, interlocks, and communications, non ordinary PLC
2、 Core hardware parameters
Processor: 256MHz 32-bit ColdFire (PowerPC architecture)
Memory: 512MB~4GB (configurable)
Maximum I/O: ≥ 5000 points, closed-loop within 250ms
Function blocks: 30000, supporting 8 task segments with a cycle of 1ms
Redundancy: Dedicated redundant bus, switching<100ms, supports hot standby
Size: 211 × 244 × 79mm; Weight: 0.88kg
Environment: -20 ° C~+60 ° C (working), -40 ° C~+85 ° C (storage)
3、 Communication and I/O
Network port: Dual Gigabit Ethernet (redundant)
Bus: Profibus DP (master station), Modbus TCP, IEC 60870-5-104, etc
I/O system: Supports SD series I/O, Harmony Rack I/O, S800 I/O simultaneously
4、 Software and Programming
Programming: Complies with IEC 61131-3 (ladder diagrams, functional blocks, structural text, etc.)
Engineering tool: Control Builder M (CBM), online configuration/download/diagnosis
Firmware: upgradable online, supports NVRAM/RAM expansion
5、 Typical application industries
Electricity: thermal power, hydropower, nuclear power (boiler, turbine, auxiliary control)
Chemical/Petrochemical: Reactor, Distillation, Aggregation, Safety Interlocking (SIS)
Metallurgy: blast furnace, continuous casting, rolling line, heating furnace
Water treatment: large-scale sewage/water treatment plants, pump station clusters
6、 Difference from ordinary PLC
HC800 (DCS Controller): Suitable for continuous processes, large I/O, high redundancy, and high stability, suitable for 24/7 operation
Ordinary PLC: focuses on logic/sequence, small and medium-sized I/O, motion control, with lower cost
7、 Common writing methods for model numbers
HC800 (Basic Type)
HC800-PEC (with specific firmware/features)
