办公以太网和工业以太网的区别汇总

Aspects of Industrial Ethernet
• 工业以太网和商用以太网区别所在：
• • • •
Environment环境 Operation 运行 Maintenance 维护 Management 管理
一些统计数字
Investing in operational safety pays
Seriplex CAN CCLink
Field Level
Interbus Loop Interbus Profibus DP Profibus FMS ASI
Corporate Level
Management Level
DeviceNet SDS
WorldFIP / FIP
LonWorks HART
Miscellaneous 3%
Hardware 17% Software 7%
Support 73%
Source: Gartner Group
结构化布线
结构化布线的好处
• 简化设计 • 产品可选择余地大 • 兼容性好 • 增加可靠性 • 易于维护
结构化布线标准
ISO/IEC 11801
EN50173
Around two thirds of all failures are caused by faults in network components
3%
Application
7%
Application programs
Presentation Session Transport
12 % 8%
10 %
IEC/SP50 H2
Process Measurement and Control Level
Communication Trend in Industrial Environments
ControlNet
ETHERNET
IEC/SP50 H1 Profibus PA
工业通讯为什么选择以太网?
• 以太网是开放的标准. • 以太网使网络的垂直集成成为可能. • 对比现场总线，以太网提供了更大的通讯带宽以满
Industrial VS Office Ethernet
Contents
• 以太网历史 • 一些统计数字 • 结构化布线 • 交换机的物理特性 • 拓扑结构和冗余 • 带宽 • 组播因素 • VLANs 虚拟局域网 • 优先级区别服务 • 故障设备的替换 • 网络管理 • 结论
Definition
ANSI/TIA/EIA 568-B
术语
• CD = Campus Distributor • BD = Building Distributor • FD = Floor Distributor • MD = Machine Distributor (new: Intermediate Distributor (ID)) • TO = Telecommunication Outlet • CP = Consolidation Point
Network operating system
Network
25 %
Data Link
35 %
Network components
Physical
Source: Datacom, Network Management Special
Total Cost of Ownership of a Network over 5 years
TO
TO TO
Layer 4
TO
TO
TO
TO
Physical Cabling Structure
Office:
Primary Secondary Tertiary
TO
CP
CD
FO (1500m) E9...10/125 G50(62,5)/125
wk.baidu.com
BD
FO (500m) E9...10/125 G50(62,5)/125
Cabling Structure Office Industry
Layer 1
CD
Production hall Primary cabling
Office building
BD
Layer 2
BD Secondary cabling
BD FD
CP
FD
(Layer 3)
MD Tertiary cabling MD MD
FD
TP (90m+2*5m) FO G50(62,5)/125
Users Range TP
Machine
Industry (3 or 4 layers):
TO
CD
BD
FD
MD
FO (1500m) E9...10/125 G50(62,5)/125
E9..10/125 or G50(62,5)/125 E9..10/125 or G50(62,5)/125
足多应用集成的需求 • 主要的以现场总线为工业通信技术的制造商转而投 奔各自基于标准以太网的工业:
• • • • • •
DeltaV （Emerson） Modbus/TCP （Modbus） EtherNet/IP （ControlNet DeviceNet） ProfiNet （Profibus) FF HSE （Foundation Fieldbus） PowerLink (CAN Open）
• “只有一个以太网”
• 什么是工业以太网?
• 将以太网技术用于工业领域 • 将以太网和TCP/IP作为工业通讯技术和协议
History
• • • • • • • • • • • • • •
1973 – First Ethernet – Xerox PARC 2.94Mb/s 1975 – First US patent – Xerox 1980 – Ethernet v1 – Digital, Intel, Xerox 10Mb/s 1982 – Ethernet v2 – Digital, Intel, Xerox 1985 – IEEE 802.3 1989 – ISO Standard 88023 1990 – 10BaseT (twisted pair) 1994 – 10BaseF (fibre) 1995 – 100BaseT/F 100Mb/s 1997 – Full Duplex 1998 – 1000Mb/s 2005 – Power Over Ethernet 2006 – 10 Gb/s …… – 40 / 100 Gb/s