Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Distributed Control System


Published on

Published in: Business, Technology

Distributed Control System

  1. 1. Distributed Control System Group D Louay Sirwi 213627 Abdallah Jafar 214973 Dr. H. Shabaik SE – 401
  2. 2. Introduction <ul><li>(DCS) was Introduced in the late 1970’s </li></ul><ul><li>Monitor and control distributed equipment with remote human intervention </li></ul><ul><li>Dangerous zones and far areas </li></ul>
  3. 3. What is a DCS? <ul><li>A Distributed Control System integrates the PLCs and process controllers of a process line into a coordinated, interactive system. </li></ul><ul><li>Enables you to manage the process as a complete system </li></ul>
  4. 4. DCS Architecture Instruments, sensors, and actuators PLCS and local control loops Data Acquisition and Interface Control rooms and SCADA Internet Remote access
  5. 5. Types of DCS <ul><li>Several types, like: </li></ul><ul><ul><li>Smart DCS </li></ul></ul><ul><ul><li>SixTrak IPm </li></ul></ul>
  6. 6. Smart DCS <ul><li>Developed by Honeywell’s MICRO SWITCH Division </li></ul><ul><li>Advanced industrial control system that’s open at both the controller and device levels to maximize freedom of choice for users </li></ul><ul><li>can interface with both PC controllers and PLCs </li></ul>
  7. 7. Smart DCS <ul><li>Some applications: </li></ul><ul><ul><li>Food processing equipment </li></ul></ul><ul><ul><li>Material handling </li></ul></ul><ul><ul><li>Conveyor Systems </li></ul></ul>
  8. 8. SixTrak IPm <ul><li>A powerful DCS controller based on flexible open standards and packed with a wealth of features that only LINUX can provide such as: </li></ul><ul><ul><li>Internet & internal Intranet Accessible by The SIXNET I/O Tool Kit </li></ul></ul>
  9. 9. Choosing DCS systems <ul><li>Reliability </li></ul><ul><li>Compatibility and operatibility </li></ul><ul><li>Graphical interface </li></ul><ul><li>Control algorithms (PID, ON-OFF, Fuzzy, Neural networks, etc.) </li></ul><ul><li>Processing speed and cycle time </li></ul><ul><li>Ease of configuration </li></ul><ul><li>Ease of use </li></ul><ul><li>Support and upgradeability </li></ul><ul><li>Cost </li></ul>
  10. 10. Network Configuration <ul><li>Configuration: Geometric physical form of the connections of the nodes and links of the network </li></ul>
  11. 11. 1. Star <ul><li>All communication is through the central unit </li></ul><ul><li>If central unit failed, all network will fail </li></ul><ul><li>Lots of wiring </li></ul><ul><li>Full control of data flow </li></ul>
  12. 12. 2. Ring <ul><li>Any node can have a direct contact with other </li></ul><ul><li>No two nodes can send at the same time (o.w. there will be a collision) </li></ul><ul><li>If one node fails, all network will fail </li></ul><ul><li>Data sender/receiver are distinguished by the addresses. </li></ul>
  13. 13. 3. Bus <ul><li>All nodes have a direct connection with each other </li></ul><ul><li>Failure of nodes doesn’t affect the network </li></ul><ul><li>New nodes can be easily added </li></ul><ul><li>Data sender/receiver are distinguished by the addresses. </li></ul>
  14. 14. Properties of distributed systems <ul><li>Robust </li></ul><ul><li>Flexible </li></ul><ul><li>Secure </li></ul><ul><li>Emergent behavior </li></ul><ul><li>Less expensive installation and better reliability. </li></ul><ul><li>Less expensive to expand . </li></ul><ul><li>Data highway is used to replace wire from sensor to DCS and to the control valve. </li></ul><ul><li>It could do analog and discrete control. </li></ul>
  15. 15. Disadvantages: <ul><li>Component cost </li></ul><ul><li>A distributed system can be somewhat difficult to maintain </li></ul><ul><li>Programming them is not easy </li></ul><ul><li>Computing power per node is limited </li></ul>
  16. 16. Some manufacturers of the DCS: <ul><li>Honeywell </li></ul><ul><li>ABB Control, Inc. </li></ul><ul><li>Eaton Electrical, Inc. </li></ul><ul><li>Mitsubishi Electric Automation, Inc. </li></ul><ul><li>Phoenix Contact, Inc. </li></ul><ul><li>Rockwell Automation </li></ul><ul><li>Schneider Automation, Inc. </li></ul><ul><li>Siemens Energy & Automation, Inc. </li></ul><ul><li>Square D Company </li></ul><ul><li>WAGO Corporation </li></ul>
  17. 17. Companies in Saudi Arabia that uses DCS <ul><li>SAUDI ARAMCO </li></ul><ul><li>Ghazlan Power plant </li></ul><ul><li>SABIC </li></ul><ul><li>Almost all factories in Jubail and Yanbu </li></ul>
  18. 18. Thanx U r WeLcOme for Questions