FF总线与ProfiBus总线比较

Master 主机
Arbitrator 仲裁
主机控制数据交换（中央控制机理） One cyclic master controls data exchange (Central Control Philosophy) 从站通过GSD进行描述 Slaves are described by GSD (Device Data Base - DDB)
FOUNDATION Fieldbus
T T
IEC 61158-2
T
Segment coupler contains intrinsically safe power supply and terminator
段耦合器带有本安供电及终端 Simplified intrinsic safety concept according FISCO model 依据FISCO模型简化的本安概念
Fieldbus
• Bus with spurs
Bus with spurs
Fieldbus
• Bus with Junctions Box
Junction BoxLeabharlann Baidu
Tree
Fieldbus
• Point to Point
Fieldbus I/O
Junction Box
Point-to-Point
Tree
Bus with spurs
市场比较Typical Strenghts
PROFIBUS-PA
FOUNDATION Fieldbus
欧洲控制系统
European control systems 主要区域 Main regions: Europe 70%, Asian 20%, America 10% 本安应用Intrinsic safety applications (FISCO)
总线系统Fieldbus
Process Near Component) 总线耦合器buscoupler Ex [i]
控制柜cabinet
Ex [i] 接线架marshalling rack 接线盒junction box 连接件 connection elements PS
典型总线结构Typical Fieldbus Architecture
现场设备管理Field Device Management
PROFIBUS-PA
FOUNDATION Fieldbus
# address DIP switch
serial no. TAG no.
仪表通过不同的地址进行管理 Instrument management with address 地址设定可通过硬件和软件两件方式 Address setting with hardware or software
Intrinsic safety and power supply with separate concept
本质安全与供电隔离 Conventional intrinsic safety concept according FISCO model 依据Fisco模型的传统本安概念
FF总线的防爆方案
India
SEA
Safe area
FF H1 segment
网端
FF 配电器*
标准 中继器*
FISCO本安 中继器r*
Entity本安 中继器* 1 2
Div 1 / Zone 0/1
Safe Area or
网端 网端
Div 2 / Zone 2
*: 需配置标准 24V 电源 ，未标注
每一路都有短 路保护和隔离 输出。无需外 配网端。
现场总线Fieldbus
技术相关（Technology）
数值变送技术Value transmission technology
• 4-20mA, HART, Fieldbus
analog
4...20 mA
analog + digital (hybrid)
digital
现场设备设计Field Device Design
现场设备直接进行数据交换
Direct data exchange between field devices possible (Distributed Control Philosophy) 从站通过普通文件格式描述(DD file)
Slaves are described by Common File Format (CFF)
美洲控制系统
American control systems
主要区域 Main regions: America 70%, Asian 20%, Europe 10%
需控制设备的现场Field based control Wide selection of standardized function blocks
Direct system integration or linking devices 直接系统集成或连接装置 High Speed Ethernet (100 Mbit/s) 高速以太网
循环数据传输 Cyclic (scheduled) Data Transmission
PROFIBUS-PA GSD (DDB) FOUNDATION Fieldbus DD
Online system extension is in principle possible, but not all system suppliers support this function
技术比较Technical comparison
PROFIBUS-PA
PID Template
FOUNDATION Fieldbus
Identical base device PA or FF electronics 设备基于PA或FF电子模块
总线系统优势Advantage of a bus system
• 通过数字通讯可获取更多信息 More information thanks to digital communication 传统方式conventional 数字digital
仪表通过标记号和序列号进行管理 Instrument management with TAG-number and serial number
现场设备管理Field Device Management
PROFIBUS-PA FOUNDATION Fieldbus
PLC PROFIBUS-DP RS485
PID Template
PV2 PV1 CV SP
PV2 PV1 CV SP
PV2 #1 #2 #1 #2 FB PID PV1
CV
#3
PNK
FF
#4
#3 #3 PV2 #2 PV1 #1 FB PID CV
本安解决方案Intrinsic Safe Solutions
PROFIBUS-PA
power supply power supply barrier segment coupler IEC 61158-2 PROFIBUS-DP RS485
PC
PLC High Speed Ethernet Linking Device Linking Device
PC
coupler/ Link
PROFIBUS-PA IEC 61158-2
FF
FF
FF IEC 61158-2
系统扩展原则上是可能的，但并不是所有的 系统供应商都支持此功能
在线和离线任何时候都可以而且系统不会被中断 Everytime offline and online possible. Process don´t need to be interrupted.
Experience in PROFIBUS-DP since 1991
市场比较Typical Strenghts
Europe India Japan
石油及化工 Oil & Chemicals 纸浆及造纸 pulp & paper 食品 food
SEA Canada USA
Food食品 Chemicals (Exi)化学 water / wastewater水/污水 Brasil Argentina RSA
PROFIBUS-PA
FOUNDATION Fieldbus
Controller PROFIBUS-DP RS485
PC
Controller High Speed Ethernet Linking Device Linking Device
PC
Coupler/ Link
PROFIBUS-PA IEC 61158-2
调试工具Service Tool
PROFIBUS-PA FOUNDATION Fieldbus
•Proficard/Profiboard(Softing) •Commuwin II(Endress+Hauser) •Coupler(Pepperl+Fuchs)
•PCMCIA Card(NI) •NI ConfiguratorI(NI) •Power Supply(NI)
FF
FF
FF IEC 61158-2
Systemintegration with couplers/links to PROFIBUS-DP (up to 12 Mbit/s) 系统通过耦合器/链接器集成至Profibus-DP Parallel use of DP- and PA field devices DP-和PA现场设备平行使用
15,3 mA
1st value 2nd value 单位unit 状态status 诊断diagnose
= 70,32 = 23,02 = mbar = ok = 温度过高 Temerature too high
总线系统优势Advantage of a bus system
• 更精确的数值More accurate values
过程控制 Process Control
D CPU A A D
0-65535
D CPU A
D CPU A
10-38-10+38
CPU
总线系统优势Advantage of a bus system
• 减少接线Reduced wiring 传统模式conventional
Process Near Component I/O模块 module 接线架marshalling rack