simba bus. the simba network bus supply (master) internet gateway terminator repeater (optional)...
TRANSCRIPT
SIMBA Bus
The SIMBA Network
Bus Supply (Master)
Internet Gateway
Terminator
Repeater (optional)
Device 2
INTERNETINTERNET
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
Features & Benefits
Low cost Simple architecture High scalability Accommodate simple or complex protocols Modular design Distributed intelligence Capable of powering devices
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
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
Supported Topologies
Features Expandable bus ~1000 channels supported Variable data rates Accommodates fast and slow devices simultaneously Multiple device type Binary , BCD input and output
Application Protocol
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
Applications
Industrial monitoring and control Power station monitoring Rail/road tunnel monitoring Traffic monitoring and control Smart homes Alarm and security
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
Specifications (Contd.)
Web connectivity IBM PC or embedded PCs
Devices supported Administration (500) Application 904 (3-8 mux)/1792 (4-16mux)
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
The SIMBAians
Harish Ramamurthy, Anurag John, Vaibhav Shah,
Rohit Aggarwal and Puneet Sahni
Under the Guidance of
Prof. N. K. KhoslaDepartment of Metallurgical Engg.
IIT Bombay