IS220PDIOH1B  GE 通用电气燃机模块

IS220PDIOH1B  GE 通用电气燃机模块

1.1PLC

（1）从开关量控制发展到顺序控制、运算处理，是从下往上的。

（2）逻辑控制、定时控制、计数控制、步进(顺序)控制、连续PID控制、数据控制-PLC具有数据处理能力、通信和联网等多功能。

（3）可用一台PC机为主站，多台同型PLC为从站。

（4）也可一台PLC为主站，多台同型PLC为从站，构成PLC网络。这比用PC机作主站方便之处是：有用户编程时，不必知道通信协议，只要按说明书格式写就行。

（5）PLC网络既可作为独立DCS/TDCS，也可作为DCS/TDCS的子系统。

（6）主要用于工业过程中的顺序控制，新型PLC也兼有闭环控制功能。

1.2DCS

（1）分散控制系统DCS与集散控制系统TDCS是集4C（Communication，Computer，Control、CRT）技术于一身的监控技术，是第四代过程控制系统。既有计算机控制系统控制算式先进、精度高、响应速度快的优点，又有仪表控制系统安全可靠、维护方便的要求。

（2）从上到下的树状拓扑大系统，其中通信（Communication）是关键。

（3）是树状拓扑和并行连续的链路结构，也有大量电缆从中继站并行到现场仪器仪表。

（4）模拟信号，A/D—D/A、带微处理器的混合。是由几台计算机和一些智能仪表智能部件组成，并逐渐地以数字信号来取代模拟信号。

（5）一台仪表一对线接到I/O，由控制站挂到局域网LAN。

（6）DCS是控制（工程师站）、操作（操作员站）、现场仪表（现场测控站）的3级结构。缺点是成本高，各公司产品不能互换，不能互操作，大DCS系统是各家不同的。

（7）用于大规模的连续过程控制，如石化、大型电厂机组的集中控制等。

1.3FCS

（1）FCS是第五代过程控制系统，它是21世纪自动化控制系统的方向。是3C技术（Communication，Computer，Control）的融合。基本任务是：本质（本征）安全、危险区域、易变过程、难于对付的非常环境。

（2）全数字化、智能、多功能取代模拟式单功能仪器、仪表、控制装置。

（3）用两根线联接分散的现场仪表、控制装置，取代每台仪表的两根线。“现场控制”取代“分散控制”；数据的传输采用“总线”方式。

（4）从控制室到现场设备的双向数字通信总线，是互联的、双向的、串行多节点、开放的数字通信系统取代单向的、单点、并行、封闭的模拟系统。

（5）用分散的虚拟控制站取代集中的控制站。

（6）把微机处理器转入现场自控设备，使设备具有数字计算和数字通信能力，信号传输精度高，远程传输。实现信号传输全数字化、控制功能分散、标准统一全开放。

（7）可上局域网，再可与internet相通。既是通信网络，又是控制网络。

（8）3类FCS的典型应用：1)连续的工艺过程自动控制如石油化工，其中“本安防爆”技术是绝对重要的；2）分立的工艺动作自动控制如汽车制造机器人、汽车；3）多点控制如楼宇自动化。

IS220PDIOH1B  GE 通用电气燃机模块

1.1 PLC

(1) From the switch quantity control to the development of sequence control, operational processing, from the bottom up.

(2) Logic control, timing control, counting control, step (sequence) control, continuous PID control, data control -PLC has data processing capabilities, communication and networking and other functions.

(3) A PC can be used as the main station, and multiple PLCS of the same type are the secondary station.

(4) A PLC can also be the main station, and multiple PLC of the same type can be the slave station to form a PLC network. This is more convenient than using a PC as the main station: when there is user programming, you do not have to know the communication protocol, as long as it is written in instruction format.

(5) The PLC network can be used as an independent DCS/TDCS or as a subsystem of DCS/TDCS.

(6) Mainly used for sequence control in industrial processes, the new PLC also has closed-loop control function.

1.2 DCS

(1) Distributed Control system DCS and distributed control system TDCS is a monitoring technology that integrates 4C (Communication, Computer, Control, CRT) technology, and is the fourth generation process control system. The computer control system has the advantages of advanced control calculation, high precision and fast response, and the instrument control system is safe, reliable and easy to maintain.

(2) Large topological tree systems from top to bottom, in which Communication is the key.

(3) is a tree topology and parallel continuous link structure, there are also a large number of cables parallel to the relay station to the field instrument.

(4) Analog signal, A/D - D/A, mixed with microprocessor. It is composed of several computers and some intelligent instruments, and gradually replaces analog signals with digital signals.

(5) An instrument is connected to a pair of lines I/O, and is hung to the LAN by the control station.

(6) DCS is a three-level structure of control (engineer station), operation (operator station), and field instrument (field measurement and control station). The disadvantage is that the cost is high, the company's products can not be interchangeable, can not interoperate, and the large DCS system is different.

(7) For large-scale continuous process control, such as petrochemical, centralized control of large power plant units.

1.3 FCS

(1) FCS is the fifth generation process control system, which is the direction of the automation control system in the 21st century. It is the integration of 3C technology (Communication, Computer, Control). The basic tasks are: essential (intrinsic) safety, hazardous areas, volatile processes, difficult emergency environments.

(2) Fully digital, intelligent, multi-functional replacement of analog single-function instruments, instruments, control devices.

(3) Use two wires to connect dispersed field instruments and control devices, replacing two wires for each instrument. "Field control" replaces "decentralized control"; Data transmission adopts the "bus" mode.

(4) The bidirectional digital communication bus from the control room to the field equipment is an interconnected, bidirectional, serial multi-node, open digital communication system to replace a one-way, single point, parallel, closed analog system.

(5) Replace centralized control stations with decentralized virtual control stations.

(6) The microcomputer processor into the field automatic control equipment, so that the equipment has digital computing and digital communication capabilities, high signal transmission accuracy, remote transmission. To achieve full digitalization of signal transmission, decentralized control functions, and unified and open standards.

(7) Can be on the LAN, and then can communicate with the internet. It is both a communication network and a control network.

(8) Typical applications of 3 types of FCS: 1) continuous process automatic control such as petrochemical industry, in which "intrinsic safety and explosion protection" technology is absolutely important; 2) discrete automatic control of process actions, such as automotive manufacturing robots and automobiles; 3) Multi-point control such as building automation.

IS220PDIOH1B  GE 通用电气燃机模块

TRICONEX 4328 Triconex DCS 网络通信模件

TRICONEX 4210 Triconex DCS ITCC控制器

TRICONEX 4201 Triconex DCS 控制器

TRICONEX 4200 Triconex DCS 控制器

TRICONEX 4119 Triconex DCS 增强型智能通讯卡件

TRICONEX 4118 Triconex DCS 卡件

TRICONEX 4107 Triconex DCS 卡件

TRICONEX 4101 Triconex DCS DCS备件模块

TRICONEX 3721 Triconex DCS 模拟量输入卡件

TRICONEX 3701 Triconex DCS 卡件

TRICONEX 3700 Triconex DCS 扫描器

TRICONEX 3664 Triconex DCS 输入输出模块

TRICONEX 3625 Triconex DCS PLC中央处理器

TRICONEX 3624 Triconex DCS DO模块

TRICONEX 3511 Triconex DCS 控制处理器