IndustrS900是用于过程控制站的分布式I/0,它们通过Prof ibusDP现场总线与其所属的控制器
通信,既可以安装在控制室,也可以安装在现场以尽量接近现场变送器和执行器,从而 节省电缆并
减少安装费用。
S800 1/0及s900 I/0 具有以下优点:
●灵活性:对安装数量没有限制,可小数量安装,也可大量安装,可以安装在室内,也可安装在室
外,可以安装在墙上,也可安装在机柜中。
●模块化:可一步一步扩展,不会因自身限制而影响系统扩展。
●经济性:节省硬件,电缆,从而节省安装及维护费用.
●可靠性:因其自诊断及冗余等特性,可平滑的实现自动切换。
S800/S900型1/0 采用模块化设计,DIN 标准导轨式安装,由于对空间以及环境要求不苛刻,
S800/S900型I/0尤其适用于安装在分散的场合,并且对处理信号几乎没有要求,从而现场仪表和设
备信号可以直接接线到S800/S900 I/0 站。
其它特性: .
●所有模件具备故障自诊断功能并具有LED故障显示
●丰富的I/0模件类型,模拟量I/0精度≤0.1I%
●支持电源冗余
●所有I/0均可设定安全值
●具有短路保护功能
●所有模件 均可带电插拔,并自动识别
●支持冗余 现场总线
●支持HART协议通讯(S900所有I/0模件及部分及部分S800I/O卡件)
●具备本质安全特性(S900所有I/0模件及部分S800模件,BBx ia II C)
●可直接安装在危险区1区(仅S900)
S800 I/0 及S900 I/0采用Profibus DP通信协议。
S800/S900型I/0具有多种模拟及数字输入输出模件,以及热电阻和热电偶模件。所有I/0 模件
均通过了多种恶劣环境及应用领城的测试,证实了它在极其恶劣场合应用下的寿命及可靠性。
5、IndustrialT 操作管理级
5.1概述
操作管理级主要包括操作站、工程师站、数据网关、管理计算机及相应软件,另外还包括打印
机、操作台等辅助设备。操作站的任务是生产监控,即综合监视来自过程控制级的所有信息,进行监
示、报警、趋势生成、记录、打印输出及人工千预操作(发送命令、修改参数等)。工程师站用于系
统软件组态和调试投运,它无需永久性接入系统,操作站也可兼作工程师站( 需按工程师权限登
录) .
操作站及工程师站硬件均为标准的PC机(通用型或工业加强型甚至是便携机),采用微软公司
Windows 2000 操作系统(中英文版均可) . 因此PC机的配置水平与PC市场主流配置及最新的技术发
展保持同步并可根据用户要求确定。显示器的尺寸可选(17”/19″ /21”),还可选择触屏功能
(19”)。数据及命令输入一般由标准键盘和Mouse(鼠标)实现,但操作站也可按用户要求选配IP65工
业薄膜键盘和符合人类工程学标准的光电轨迹球。另外还可配备针式打印机用于打印报表,彩色喷墨
打印机用于图形硬拷贝。操作台用于放置操作管理级设备(PC 主机置于操作台内,显示器等外设置于
操作台上) .
操作员站上的操作监控软件DigiVis及工程师站上的组态调试软件CBF (Control Build F)是操
作管理级必须的软件(均基于Windows 2000 操作系统)。另外可选的软件主要有权限锁定软件
(DigilLock)、批量控制软件WigiBatch)、运行在管理PC机上的生产数据浏览软件(Di giBrowse)及运
行在数据网关PC上的开放数据接口软件(Di giDDE,DigiOPC, DigiAPI).
5.2操作监控软件DigiVis
DigiVis的功能包括图形显示、数据监视、系统状态显示、趋势归档、记录、过程及系统报警、
报表、操作指导、下达控制指令、系统诊断等。DigiVis 具有中文版,更加便于国内用户使用。
DigiVis软件有如下特性:
o
系统信息的层次化分布使操作清楚迅速
o
变量的直接快速搜索
采用统- – 信息概念、清晰的信息显示和操作员提示
DigiVis图形显示种类包括自由图形显示(工艺流程等)及大量标准显示,下面将 分别介绍:
自由圜形显示
自由图形显示是按照裴置工艺和操作员的专门需要进行组态的,用以表示工艺过程状态的显示画
面,工艺流程画面是典型的自由图形显示。
在自由图形中,当前的过程数据或过程状态可以数字或模拟形式进行显示(如棒图、动态填充或
趋势窗口)。画面显示中的图形符号可根据过程状态进行置換、闪烁、变色以及位置变化,即进行动
操作管理级主要包括操作站、工程师站、数据网关、管理计算机及相应软件,另外还包括打印
机、操作台等辅助设备。操作站的任务是生产监控,即综合监视来自过程控制级的所有信息,进行监
示、报警、趋势生成、记录、打印输出及人工千预操作(发送命令、修改参数等)。工程师站用于系
统软件组态和调试投运,它无需永久性接入系统,操作站也可兼作工程师站(需按工程师权限登
录)。
操作站及工程师站硬件均为标准的PC机(通用型或工业加强型甚至是便携机),采用微软公司
Windows 2000操作系统(中英文版均可)。因此PC机的配置水平与PC市场主流配置及最新的技术发
展保持同步并可根据用户要求确定。显示器的尺寸可选(17”/19”/21″ ),还可选择触屏功能
(19″ ).数据及命令输入- -般由标准键盘和Mouse(鼠标)实现,但操作站也可按用户要求选配IP65工
业薄膜键盘和符合人类工程学标准的光电轨迹球。另外还可配备针式打印机用于打印报表,彩色喷墨
打印机用于图形硬拷贝。操作台用于放置操作管理级设备(PC 主机置于操作台内,显示器等外设置于
操作台上)。
操作员站上的操作监控软件DigiVis及工程师站上的组态调试软件CBF (Control Build F)是操
作管理级必须的软件(均基于Windows 2000 操作系统)。另外可选的软件主要有权限锁定软件
(DigiLock)、批量控制软件DigiBatch)、运行在管理PC机上的生产数据浏览软件(DigiBrowse)及运
行在数据网关PC上的开放数据接口软件(Di giDDE,DigiOPC, DigiAPI).
5.2操作监控软件DigiVis
DigiVis的功能包括图形显示、数据监视、系统状态显示、趋势归档、记录、过程及系统报警、
报表、操作指导、下达控制指令、系统诊断等。DigiVis 具有中文版,更加便于国内用户使用。
DigiVis软件有如下特性:
系统信息的层次化分布使操作清楚迅速
变量的直接快速搜索
o
采用统一信息概念、清晰的信息显示和操作员提示
DigiVis图形显示种类包括自由图形显示(工艺流程等)及大量标准显示,下面将 分别介绍:
自由圜形显示
自由图形显示是按照裴置工艺和操作员的专门需要进行组态的,用以表示工艺过程状态的显示画
面,工艺流程画面是典型的自由图形显示。
在自由图形中,当前的过程数据或过程状态可以数字或模拟形式进行显示(如棒图、动态填充或
趋势窗口) .画面显示中的图形符号可根据过程状态进行置换、闪烁、变色以及位置变化,即进行动
态显示。所选择的过程变量可通过流程画面中的面板或通过标准分组画面进行显示操作。
如果组态了画面调用热区或调用按钮,则可在自由画面中设置指定的画面调用体系,它确定彼此
之间的调用关系,便于用户监视操作。另外位于屏幕顶部稍偏下处的显示菜单提供了–个标准的画面
调用体系。随时可通过该菜单调用各种类型显示画面,在相应画面中可显示所需过程点的信息.
态显示。所选择的过程变量可通过流程画面中的面板或通过标准分组画面进行显示操作。
如果组态了画面调用热区或调用按钮,则可在自由画面中设置指定的画面调用体系,它确定彼此
之间的调用关系,便于用户监视操作。另外位于屏幕顶部稍偏下处的显示菜单提供了–个标准的画面
调用体系。随时可通过该菜单调用各种类型显示画面,在相应画面中可显示所需过程点的信息.
总貌显示
将整个
“is a world leading all-round comprehensive open control system launched by the automation headquarters of ABB group
It integrates the advantages of traditional DCS and PLC and supports a variety of international fieldbus standards. It has the complex analog loop regulation function of DCS
Friendly human-machine interface (HMI) and convenient engineering software, as well as high-speed logic and sequence control equivalent to high-grade PLC indicators
Braking performance. The system can connect not only conventional i/0, but also PROFIBUS, FF, can, MODBUS and other field bus devices. System tool
It has high flexibility and excellent scalability, whether it is the control of small-scale production devices or the large-scale integrated control of the whole plant, even
The industrial “system can cope with the field equipment maintenance management and cross plant production management control applications
As an important member of industrial “family, AC800F system fully embodies industrial” initiated and led by ABB in technology
Information technology) a new trend.
The system is divided into two levels: operation management level and process control level. At the operation management level, not only the traditional control system monitoring operation function is realized
Can (operate and display, print, trend display and alarm), and also complete system hardware diagnosis and data exchange between different systems
Yes. The process control level realizes various loop adjustments including complex control (various PID, ratio, Simith, etc.) and high-speed logic control
Control, sequence control and batch intermittent control functions.
The internal communication of the process control station (between the controller and various intelligent devices such as i/0 or field instruments) adopts the international standard field general
Line. The field controller supports various field buses such as PROFIBUS, which is the most widely used open field bus in the world
Line international standard, divided into FMS, DP and PA, DP communication rate can be as high as 12MB. Can (din/is011898 standard) bus
The biggest feature is its super robustness and data security. The system also supports MODBUS. The communication with intelligent field instruments is through
IART protocol or fieldbus (31.25kb profibuspa and FF Bus).
The system communication between the operation management level and the process control level is realized by the di ginets network (Industrial Ethernet /iee802.3 standard),
The user can select the communication transmission medium (ordinary cable or optical fiber) and network topology structure according to the actual situation of the application.
Popular PC and MS_ Wi ndows2000 has been widely used in various fields all over the world and has become the de facto standard computer platform
Set. The operating station 0s, engineer station es and data gateway GS of the industrial “system have adopted this platform, thus ensuring the
It is universal, open and easy to use, and brings great convenience for future technology upgrading and maintenance.
System engineering configuration is very convenient. The configuration language is based on ie0611313 industrial standard and provides function block diagram (FBD) and ladder diagram
(LD), instruction list (IL), sequential function diagram (SFC), structured text (st) and other graphical configuration modes. The system contains about 220 functions
The algorithm library of energy block, the basic library with more than 200 graphic symbols and the extended library with a large number of 3D symbols.
The system uses the same set of configuration tool software to complete the configuration and commissioning of process level, operation level and even fieldbus instruments, and uses the same
A global database.
The system scale has strong scalability. The single system supports 1 to 100 control stations and 100 operation stations at most. Each control
The station can support thousands of i/0 points at most, and the scale of the whole system can be expanded. The hardware of the system control station is all metal enclosure, which can withstand the most
Harsh industrial environment. The equipment can be installed in the cabinet or on the wall. The system complies with all current EMC standards and has CE standards
Annals.
Industrial “DCS system design purpose: the most economical engineering investment and the most powerful control function.
Industria1 “five features of DCS system:
1、 The comprehensive control system integrates DCS & PLC & field bus;
2、 RISC superscalar high-speed CPU with super performance;
3. High reliability, strict industrial application practice, and application performance of more than 1000 sets in China;
4、 Good openness, flexibility and expansibility;
5、 Easy engineering, friendly interface and simple maintenance;
2. Industria1 “system communication
Industrial ial “the system uses the international standard industrial bus. The field controller supports PROFIBUS, FF, MODBUS, can and other countries
International standard fieldbus, PROFIBUS is the most widely used open fieldbus international standard in the world, which is divided into FMS, DP and pa
Level III, DP communication rate can be up to 12MB. PROFIBUS is used to connect distributed i/0 stations, field bus instruments and other intelligent devices.
The communication among process station, operator station and engineer station is realized through the system bus diginets (Industrial Ethernet). user
Different transmission media (RJ45 twisted pair, thin cable, thick cable or optical fiber cable and mixed media) and network topology can be selected for the system bus
Due to the adoption of tcp/ip protocol, the system can also realize ultra long distance communication with the help of public telephone network (dial-up mode) or satellite.
PLC and other subsystems communicate with industrial “system through Modbus protocol interface. The system also supports iec870-5 over control coordination
Discussion.
The flash EPROM inside PS provides more than 220 function modules (control algor