现场总线profbus.ppt

PROFIBUS-FOUNDATION Summaryfor Process Automation Fieldbus Choice Conclusionfor Process Automation Foundation Fieldbus 标准 H1 用于过程自动化仪表 HSE 用于高速通信设备 Profibus PA DP 标准 PA 用于过程自动化仪表 DP 用于高速通信设备 LonWorks - 工厂电气设备 LV MCC (INSUM 2 gateway to DP-MODBUS) MV,HV MCC 现场总线策略 支持... 您选择的现场总线协议 统一的编程体系 广泛自由的产品选择 系统全局数据一致性 资产优化管理 完善的网络结构 标准 ProfiBus 设备组态 GSD 文件 摸板技术 PROFIBUS 在线设备诊测 查询扫描新设备 (2) 多种设备配套组态工具软件… (3) 大量信息传输… 解决方案: FDT/DTM 对照 基于总线技术带来的优势 * FF 时间分布 确定的通信 用户层 (功能块) 控制功能分布到现场设备 用于互操作的 DD 与 行规文件 高速数据通信总线为 HSE 区别 Slow Speed H1 High Speed HSE Link Device Slow Speed H1 Foundation Fieldbus PROFIBUS 简单、快速通信机制 通信冗余支持(高速 DP) 用于互操作的 GSD 与行规文件 FISCO 认证标准用于 IS 标准设计 高速数据总线支持RS485 或 F/O技术 区别 Slow Speed H1 High Speed DP Coupler MCC Melody Ethernet Generic Diagram PROFIBUS FIELDBUS PROFIBUS PA :- Same Physical layer as FF so similar installation (different IS guidelines) Similar number of devices available with PROFIBUS just having the edge (Sept 99) Time stamping in development Simple protocol with profiles for Interoperability. FISCO PROFIBUS DP :- RS485 high speed network for intelligent devices (PLC’s HMI…) Requires coupler to PA Many successful installations FOUNDATION H1 :- Same Physical layer as PA so similar installation (different IS guidelines) Similar number of devices available with PROFIBUS just having the edge (Sept 99) Time stamping of alarms at source Complex protocol with several Interoperability strategies FF-HSE:- HSE network for intelligent devices (PLC’s HMI…) Will require link device to FF-H1 Use popular and low cost Ethernet technology FF Slow Speed (H1) Devices PROFIBUSPA Slow Speed (H1) Devices PROFIBUSDP High Speed  Devices FF HSE Devices PROFIBUS CAN OFFER A COMPLETE SOLUTION TODAY Power on Bus Multi Drop Diagnostic data Interoperability Distributed data access Supervisorycontrol Redundant network Rapid data refresh Bulk I/O HMI Asset Optimization Mar 2000 FF will have a complete solution when HSE devices become av