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SIMBA Bus

SIMBA Bus. The SIMBA Network. INTERNET. Terminator. Device 2. Bus Supply (Master). Internet Gateway. Repeater (optional). Overview. Efficient and cost effective implementation of field bus Industrial/scada/signaling applications Two wire digital communication framework

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SIMBA Bus

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  1. SIMBA Bus

  2. The SIMBA Network INTERNET Terminator Device 2 Bus Supply (Master) Internet Gateway Repeater (optional)

  3. Overview • Efficient and cost effective implementation of field bus • Industrial/scada/signaling applications • Two wire digital communication framework • Web/internet gateway • Efficient use of bandwidth by simultaneously accommodating different data rates

  4. Features & Benefits • Low cost • Simple architecture • High scalability • Accommodate simple or complex protocols • Modular design • Distributed intelligence • Capable of powering devices

  5. Features & Benefits • Web/internet connectivity • Simple web browser-based interface • Flexible speed/distance implementation • Topology independence • High immunity to power line noise • Remote connectivity through modems • Secure remote administration

  6. Administration Protocol Features • Bus driver acts as master • Dynamic address allocation • Commands by master • Peer to peer communication • Master-slave interaction enables instructions exchange and possible execution • Collision detection and avoidance

  7. Supported Topologies

  8. Application Protocol Features • Expandable bus ~1000 channels supported • Variable data rates Accommodates fast and slow devices simultaneously • Multiple device type Binary , BCD input and output

  9. Supported Devices • Analog input/output • Voltage as well as 4-20 ma TX/RX interface • Digital input/output • Seven segment display, LCD display • Counter/timers and display devices • Gateway devices • CANBUS, MODBUS, PROFIBus connectivity

  10. Applications • Industrial monitoring and control • Power station monitoring • Rail/road tunnel monitoring • Traffic monitoring and control • Smart homes • Alarm and security

  11. Specifications • Speeds upto 10kbs • Speed (10kbs) – distance (10km) tradeoff • Phantom powered devices • 100 devices (~0.4 ma load current) • Any twisted pair media supported • Tested on CAT-5 and telephone cable

  12. Specifications (Contd.) • Web connectivity • IBM PC or embedded PCs • Devices supported • Administration (500) • Application 904 (3-8 mux)/1792 (4-16mux)

  13. Achievements • Compatibility with devices used by KRCL • Selected for use at IIT’s internal SCADA system • Implementation in IIT • Connecting EE – meta dept. Through telephone exchange(MTNL office) • Awarded 2nd in open hardware contest Techfest IIT Bombay

  14. The SIMBAians Harish Ramamurthy, Anurag John, Vaibhav Shah, Rohit Aggarwal and Puneet Sahni Under the Guidance of Prof. N. K. Khosla Department of Metallurgical Engg. IIT Bombay

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