1. 1 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions Requirements for a fieldbus system Open, multi-vendor system Integration in common automation concepts Low overall cost Ease of familiarization and installation Wide-ranging with any network structure Minimal space requirement for bus electronics in the field devices

2. 2 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions Integration of Power Circuit Breakers

3. 3 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions Field level Actuator- sensor level Control level PROFIBUS-DP Actuator-sensor interface Communication concept for low-voltage switchgear

4. 4 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions Communication concept for low-voltage switchgear

5. 5 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions Communication concept for low-voltage switchgear

6. 6 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions PROFIBUS-DP features (1) Open, multi-vendor system standardized to DIN (E) 19245 Part 3 / EN 50170 More than 1000 vendors offer more than 1500 PROFIBUS products More then 3,000,000 PROFIBUS nodes already installed worldwide User organizations in 23 countries support users worldwide Integration and interfacing to common automation concepts World market leaders of PLCs have or plan PROFIBUS-DP master modules Short reaction times Up to 12 Mbaud data transfer rate

7. 7 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions PROFIBUS-DP features (2) Extensive, customer-friendly functionality Simple diagnostics tools permit service work even without a system specialist Wide ranges Up to 9.6 km using RS485 technology Even more than 100 km with fiber optics Line, radial and ring structures when using optical link modules (OLM) Up to 126 bus stations (of which 122 field devices)

8. 8 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions SENTRON supports PROFIBUS DPV1 (1) PROFIBUS DPV1 is extension of existing PROFIBUS functions, compliant to older devices Very easy communication functions to devices supporting PRODIBUS-DPV1 with a configuration software (Switch ES Power) or SCADA system (WinCC) Devices supporting DPV1 can talk to two PROFIBUS masters at the same time

9. 9 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions Communication without DPV1: Data to be transmitted with every cyclic telegram Amount of data can not be changed in the operating mode Low performance if amount of data is too big SENTRON supports PROFIBUS DPV1 (2)

10. 10 A&D CD PD /March 2001/ Profibus_en Internet: http://www.siemens.de/energieverteilung Intranet: http://intra1.erlm.siemens.de/cd/d/ Power Distribution Solutions Communication with DPV1: Communication of datasets DS with the maximum size of 245 Bytes in just one additional telegram DPV1 telegrams will only be transferred once triggered by a customers software, for example Switch ES Power The cyclic transmission is running parallel SENTRON supports PROFIBUS DPV1 (3)