PDF《Troubleshooting & Maintenance》

PROFIBUS International 2006.

ppt Mr. Ing. Dennis van Booma PROCENTEC dbooma@procentec.com Troubleshooting &

Maintenance Troubleshooting &

Maintenance with PROFIBUS with PROFIBUS故障排除及维护 故障排除及维护

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2 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! About the presenter 演讲者简介 Name: Dennis van Booma Company: PROCENTEC - The Netherlands PI working group leader;

Training PI working group sub-leader;

PA Certification Dennis van Booma is the general manager and contact person of PROCENTEC. He has more than 16-years PROFIBUS experience and is a driving force for putting PROFIBUS and PROFINET technology in the market. Dennis has been involved in many large PROFIBUS projects and has developed the PROFIBUS and PROFINET education system. He is famous for his inspiring workshops and consultancy sessions that he is doing for companies all over the world. Expertise: ? PROFIBUS FDL, DP, DP-V1 and PA. ? PROFINET. ? IEC 61000-5-2 - EMC. ? Data transmission theory. ? RS

485 and MBP technology. ? Explosion safety. Achievements: ? Establishment of the Competence Center. ? Establishment of the Test Laboratory. ? Establishment of the Certified Engineer system. ? Has trained more than

4000 people worldwide. ? Created the PA certification guidelines. ? Approved the;

Korean, Italian, German and Norwegian Training/Competence Centers.

3 Chinese PROFIBUS and PROFINET Expert Days

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3 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! Total Costs of Ownership 业主的总成本 Investment Investment Maintenance costs Maintenance costs Operational costs Operational costs Installation PROFIBUS can reduce these costs! PROFIBUS可以减少这些成本! PROFIBUS can reduce these costs! PROFIBUS可以减少这些成本! 投资成本 维护成本 运行成本 What can happen in a running installation? 运行系统进行中会发生什么? PROFIBUS DP/PA PROFIBUS on Ethernet/TCP-IP PLC RS 485-IS or MBP-IS RS

485 or FO Manufacturing Manufacturing Process Process Internet Internet AS-Interface PROFIBUS DP IPC OS OS Instrument or I/O failure Instrument or I/O failure Instrument removal Instrument removal Programming faults Programming faults ? Faulty address Faulty address Connection faults, reflections, wire breaks, short circuits Connection faults, reflections, wire breaks, short circuits

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5 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! Fault top-5 投运期间5个最常出现的故障 1) Termination. 终端器. 2) Power lines. 供电电缆. 3) Cabling rules. 布线规则. 4) Configuration faults. 组态错误. 5) Damaged or not certified interfaces. 损坏或未经认证的接口. Statistics from

300 field trips worldwide.

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6 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo!

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7 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! Spur lines too long 分支线太长

70 cm More than

17 devices

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8 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! Shielding NOT connected 屏蔽未连接

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9 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! Moisture in junction boxes 链接盒受潮 Installers often forget to secure spare channels. The moisture and/or dirt will cause a low impedance in the segment. Installers often forget to secure spare channels. The moisture and/or dirt will cause a low impedance in the segment.

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10 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo!

1 Meter rule 1米规定 These two cables cause data communication problems (the

1 meter rule). These two cables cause data communication problems (the

1 meter rule).

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11 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! ? Siemens BT200 ? ComSoft Nettest II Functions: ? Wire breaks/short circuits ? Voltage or shielding faults ? Localizing faults ? Measuring cable lengths ? Termination detection ? List of slaves ? Logging Non active segments (masters have been removed)! Handheld tools 便携式工具

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12 Introduction Common faults Handheld Tool Oscilloscopes Analyzers Conclusions Training Live demo! Functions ? Amplitude ? Reflections ? Noise ? EMC 1st: Large + Difficult The oscilloscope is the only tool that can display the bus signals! The oscilloscope is the only tool that can display the bus signals! 2nd: Expensive 3rd: Difficult Oscilloscopes 示波器 4th: Small, Fast and Easy

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