Tài liệu PROFIBUS Workshop ppt

Chapter 1 Date 11/04/99, page 1 EUROPEAN FIELDBUS STANDARD EN 50170 P R O C E S S M A N U F A C T U R I N G B U I L D I N G PROFIBUS Workshop Chapter 1 Date 11/04/99, page 2 PROFIBUS  Overview chapter 1  PROFIBUS EN 50170  PTO  Protocols FMS, DP, PA  reliability  wiring  DP-details chapter 2  GSD - file  functions  ASICs chapter 3  PIC and certification chapter 4 Chapter 1 Date 11/04/99, page 3 PROFIBUS  Why select a fieldbus system  independent of proprietary solution  vendor independent  cost savings  increase of productivity in terms of  faster  more flexible  easy expandable  customized Chapter 1 Date 11/04/99, page 4 PROFIBUS  What a fieldbus system needs to offer  deterministic (since parallel wiring will be replaced)  flexible  interoperable (multi-vendor use)  cost effective (installation, startup, service)  reliable and safe  easy to use  solution for all your automation needs  standardization Chapter 1 Date 11/04/99, page 5 EN 50170 Volume 2 Process Automation PROFIBUS-PA IEC 1158-2 - Powering over the bus - Intrinsic safety Factory Automation PROFIBUS-DP RS 485 / FO - Plug and play - Efficient and cost effective Fast General Purpose Automation PROFIBUS-FMS RS 485 / FO - Large variety of applications - Multi-master communication Universal Application Oriented Chapter 1 Date 11/04/99, page 6 EN 50170  The PROFIBUS Standard EN 50170 is complete, open, vendor- independent and validated  The PROFIBUS Technology is in accordance with existing parts of the IEC Fieldbus Standard IEC 1158  PROFIBUS is proven and has an installed base of > 3,000,000* devices that are in use all over the world  The stable PROFIBUS Standard protects the investments of users and vendors world-wide PROFIBUS EN 50170 *Status: Q3/1999 Chapter 1 Date 11/04/99, page 7 INTERNATIONAL  More than 900 members - 23 regional user associations China Japan Korea Singapore South Africa Austria Belgium Czech Republic Denmark Finland France Germany Ireland Italy Netherlands Norway Russia Sweden Switzerland United Kingdom Africa Africa America America Europe Europe Asia Asia PROFIBUS International PROFIBUS International Brazil USA *Status: Q3/1999 Australia New Zealand Australia Australia Chapter 1 Date 11/04/99, page 8 PRODUCT Variety  Today there are more than 1,900* products from more than 280* different vendors available or visit the Web - Site: http://www.profibus.com on CD available from every user group world-wide Get your free copy of the latest PROFIBUS product guide: *Status: Q3/1999 Chapter 1 Date 11/04/99, page 9 PRODUCT Variety Drives AC Drives DC Drives Decentralized I/O Binary I/O Analog I/O Regulators Timer Counter Ident-Systems Gateways AS-Interface Proprietary networks Tools Configuration Bus Monitor Engineering Host Interfaces VAX computers VME computers Network components Repeaters Fiber optics Cables Controllers PLC/NC/RC VME, PC Workstation Software Drivers DOS/Windows/NT/95 RT-OS/OS9/VRTX VxWorks/PSOS+ OS2, QNX UNIX/VMS Services Development Support Implementation Support Training MMI Operator Panels Text Displays Valves Pneumatic Valves Magnetic Valves Instruments Level Flow Pressure Temperature Chapter 1 Date 11/04/99, page 10 CNC PC/VME VME/PC PLC DCS Area Controller Ethernet/TCP/IP TCP/IP/Ethernet PROFIBUS-FMS PROFIBUS-DP PROFIBUS-PA Factory level Bus Cycle Time < 1000 ms Cell Level Bus Cycle Time < 100 ms Field Level Bus Cycle- Time < 10 ms [...]... PROFIBUS Bus Access Method combines Multi-Master and Master-Slave communications Active Stations, Master Devices PLC PC PROFIBUS Passive Stations(Slave Devices) are polled Chapter 1 Date 11/04/99, page 13 Bus Access the PROFIBUS Bus Access Protocol (Layer 2) is identical for all three PROFIBUS variations this enables transparent communication and easy combinations of FMS/DP/PA Network sections Because... 1158-2 PROFIBUS guidelines + profiles Chapter 1 Date 11/04/99, page 21 PA/DP In Common DP and PA are based on the same protocol definition - DP/V1 (extended DP) DP and PA can use the same master systems Message header and data length are identical Configuration tools are the same Data transmission can be between 1 and 244 bytes Chapter 1 Date 11/04/99, page 22 PA/DP In Common PLC or PC with PROFIBUS PROFIBUS-DP,... extended PROFIBUS- DP Protocol and IEC 1158-2 Transmission Interoperability and interchangeability due to the PROFIBUS- PA Profile Maintenance and diagnostic information from the instruments available low power management and therefore suitable for EExApplications with Intrinsic Safety Distance up to 1900m per segment Chapter 1 Date 11/04/99, page 28 PA Features Typical System Configuration with PROFIBUS- PA... Delimiters Invalid Frame Length Invalid Response Times Chapter 1 Date 11/04/99, page 33 PROFIBUS Wiring PROFIBUS DP/FMS wiring can be done with: twisted shielded pair copper cable fiber optic components infrared components detailed installation guideline is available PTO order no 2.112 Chapter 1 Date 11/04/99, page 34 PROFIBUS Wiring twisted shielded pair cable line parameters are defined in EN 50170 standard...EN 50170 - 2 The PROFIBUS Protocol is in Accordance with the ISO/OSI Reference Model for Open Systems Layer FMS User DP PA DP-Profiles PA-Profiles FMS Device Profiles DP-Extensions DP Basic Functions Application (7) Fieldbus Message Specification (3)-(6) not used Fieldbus Data Link (FDL) Data Link (2) Physical (1) RS-485 / Fiber Optic EN 50 170 IEC Interface IEC 1158-2 PROFIBUS guidelines + profiles... with Intrinsic Safety Distance up to 1900m per segment Chapter 1 Date 11/04/99, page 28 PA Features Typical System Configuration with PROFIBUS- PA Area Controller (PLC) εx PROFIBUS- DP Engineering or B&B Tool H2 RS 485 up to 12 MBit/s I PROFIBUS- PA Segmentcoupler/Link + εx IEC 1158-2 with 31,25 kBit/s Transmitter H1 Chapter 1 Date 11/04/99, page 29 DP Features DP communication is permanent and cyclic the... Chapter 1 Date 11/04/99, page 11 Product Profiles PROFIBUS has defined profiles for the easy interconnectivity of certain product ranges NC/RC Profile (3.052) Encoder Profile (3.062) Variable-Speed Drive Profile (3.071) Operator Control and Process Monitoring Profile (HMI) PA Profile (page 12 in the binder) Chapter 1 Date 11/04/99, page 12 Bus Access The PROFIBUS Bus Access Method combines Multi-Master... max expansion is done with 9 repeaters in a row Chapter 1 Date 11/04/99, page 35 PROFIBUS Wiring Special requirements for baudrates >1.5 MBaud use of Baudrates greater than 1.5 MBaud requires special connectors The connector or the device has to have built in Inductors in order to run with higher baudrates (as stated in the PROFIBUS guidelines) spur lines are not allowed when using baud rates greater... Application (7) DP DP-Profiles FMS Device Profiles DP Basic Functions Fieldbus Message Specification (3)-(6) Data Link (2) Fieldbus data link (FDL) Physical (1) RS-485 / Fiber Optic EN 50 170 IEC Interface* PROFIBUS guidelines + profiles Chapter 1 Date 11/04/99, page 18 FMS/DP In Common DP and FMS are based on Layer 1 and 2: DP and FMS can be operated on the same bus Message header and data length are identical... communication and easy combinations of FMS/DP/PA Network sections Because FMS/DP use the same Physical Media (RS485/FO), they can be combined on the same cable Active Stations, Master Devices PLC PC PLC PROFIBUS Chapter 1 Date 11/04/99, page 14 Bus Access Hybrid Bus Access Protocol Token-Passing between Masters Master - Slave Protocol between Master and Slaves Master active stations with the right to . N G B U I L D I N G PROFIBUS Workshop Chapter 1 Date 11/04/99, page 2 PROFIBUS  Overview chapter 1  PROFIBUS EN 50170  PTO  Protocols. 10 CNC PC/VME VME/PC PLC DCS Area Controller Ethernet/TCP/IP TCP/IP/Ethernet PROFIBUS- FMS PROFIBUS- DP PROFIBUS- PA Factory level Bus Cycle Time < 1000 ms Cell Level Bus