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Comprehensive Overview of PROFIBUS-DP for Low-Voltage Switchgear Systems

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sissy
10 diapositives · 313 Views · Sep 13, 2014

PROFIBUS-DP is an open, multi-vendor fieldbus system designed for efficient integration with low-voltage switchgear. Offering a standardized communication protocol, it facilitates automation across diverse network structures with minimal space requirements for bus electronics. With over 3 million nodes installed globally, it supports extensive functionality, including rapid data transfer rates and simple diagnostics. The system integrates easily with existing components, allowing for two masters to communicate with DPV1-enabled devices simultaneously, enhancing operational efficiency and reducing costs.

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Comprehensive Overview of PROFIBUS-DP for Low-Voltage Switchgear Systems
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  1. 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. Integration of Power Circuit Breakers

  3. Communication concept for low-voltage switchgear Control level PROFIBUS-DP Field level Actuator-sensor level Actuator-sensor interface

  4. Communication concept for low-voltage switchgear

  5. Communication concept for low-voltage switchgear

  6. PROFIBUS-DP features (1) • Open, multi-vendor system standardizedto 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 usersworldwide • 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. 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. 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. SENTRON supports PROFIBUS DPV1 (2) • 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

  10. SENTRON supports PROFIBUS DPV1 (3) • 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