Process Measurement and Control


For discussion of all aspects of measurement and control in the process industries, such as pharmaceutical, power, pulp and paper, chemical, etc. If you have any questions or comments, please post them here. If you see a question that you can answer, or perhaps add your insight, please use the reply to add to the thread.
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  1. PID source code for VB. ezwan, Jul 19, 2001
    1. Good enough for me. Alex Chaihorsky, Aug 14, 2001
    2. Requiring VB source code for PID. Mahajan M. M., Oct 27, 2001
    3. PID source code.. joe, Dec 5, 2001
      1. PID Code. Paul, Feb 4, 2002
        1. Por favor. Moises Eugenio, Sep 17, 2004
    4. PID source code. Paul, Feb 4, 2002
      1. PID sources in C. Henk Hofstra, Apr 2, 2002
        1. do you have one. Achmet Arnaout, Mar 9, 2004
  2. Changing between Controlers. Roman Baryalay, Jul 19, 2001
    1. RE: Changing between Controlers. John A. Shaw, Jul 19, 2001
  3. An internet based research. Arash Aria, Jul 11, 2001
    1. I am interested. Arulraj.D, Sep 28, 2001
  4. analog implementation of PID controller. nayak m, Jun 18, 2001
    1. RE: analog implementation of PID controller. John Shaw, Jun 19, 2001
    2. Untitled. R.N.Dutt, Jul 5, 2001
    3. analogue PID loop. David J M Stothard, Aug 7, 2001
  5. An Open PID Controller Tuning Contest. Danyang Liu, Jun 15, 2001
  6. MOD300 Mice and Monitors. M Beasley, Jun 14, 2001
  7. Need MOD300 Parts. Matt Beasley, Jun 14, 2001
    1. ABB Mod 300 parts. Tim Brumbaugh, May 1, 2002
      1. need mod parts. dan okay, Jun 24, 2002
      2. RE: ABB Mod 300 parts. John Shaw, Jun 26, 2002
    2. mod parts. dan okay, Jun 24, 2002
  8. Success Story Of BESTune (PID Tuning). Danyang Liu, May 31, 2001
    1. BESTune Website. Danyang Liu, Jun 1, 2001
      1. One More Success Story of BESTune. Danyang Liu, Jul 1, 2001
  9. Proportional Control Action. TOH, May 10, 2001
    1. Proportional Control Action. John A. Shaw, May 10, 2001
  10. New Process Control Links. Prashant N. Mhatre, May 9, 2001
  11. PID controller. Iván Meza González, May 4, 2001
    1. PID. Ovidio Capurata F., Mar 6, 2002
      1. AYUDA!!!!!!!!!!!. juan Carlos Herrera, Apr 7, 2002
      2. Tengo el circuito. Ovidio Capurata, Apr 14, 2002
    2. Pregunta. Rafael martinez, Mar 8, 2002
  12. Functional Specification. Joe Hlas, May 4, 2001
    1. Functional specs. John Minnee, May 12, 2002
  13. Project. DP, Apr 23, 2001
  14. How can I tuning a PID cascade control?. Edisson A. Gacia Leon, Apr 4, 2001
    1. RE: How can I tuning a PID cascade control?. John A. Shaw, Apr 5, 2001
  15. Realization... Monica, Mar 3, 2001
    1. Holding a charge. Kipton Moravec, Mar 16, 2001
  16. Thermocouple input impedance. Stefan, Mar 1, 2001
    1. analytical measurements. sam yousry, May 9, 2001
  17. need long dead time/lag special handling/tuning ?. AdachoS, Feb 19, 2001
    1. RE: Long dead time? --> Try BESTune. BESTune, Mar 3, 2001
  18. RE: PID tuning. k.pira, Feb 15, 2001
  19. DCS or SCADA ??. Liam Heslop, Jan 25, 2001
    1. Answer. Santak, Jan 31, 2001
      1. Additional Information. Prashant N. Mhatre, Feb 3, 2001
    2. DCS vs SCADA. Per Birger Møvik, Apr 26, 2001
    3. Difference between DCS & SCADA. Tom & Safi, Sep 19, 2001
  20. PID in 8051 Assembly Language?. Jay Risko, Jan 23, 2001
    1. Identical problem. Goran Ljubic, Feb 7, 2001
      1. Untitled. Prashant N. Mhatre, Feb 9, 2001
      2. Ready Made PID controller on 8051 micro-controller. Manoj V, Nov 13, 2001
        1. need your 8051 project. vipan sarin, Apr 20, 2002
          1. PID controller on 8051. Manoj Vivek, Apr 22, 2002
            1. we need an educational programe. vipan sarin, May 22, 2002
            2. pid help. alireza, Apr 24, 2003
          2. need your project. muthupandi, Sep 10, 2004
        2. Information about PID Controller. Ashish, May 2, 2003
        3. I want to make it.. Prahlad, NIEC, Lucknow, Jan 15, 2004
    2. PID CONTROLER FOR 8051. Herman Mulder, May 4, 2001
      1. assembly language. mahdi sanei, Jul 1, 2001
      2. PID Controler 8051/52. Snehal Bhatt, Sep 16, 2001
        1. information. amit jain, Oct 5, 2001
        2. pid controller. roopa, Aug 31, 2002
        3. inquiry. Pravin Jadhav, Sep 11, 2004
      3. Ready-made 8051 based PID controller with front end software. Manoj.V, Nov 13, 2001
        1. Re.:PID. MAYUR GANATRA, Aug 10, 2002
        2. technical details. Saheel Shah, Dec 19, 2002
        3. technical details. Saheel Shah, Dec 19, 2002
        4. PID Controller. Rui Silva, Feb 3, 2004
        5. 8051_PID controller. Dasharth B Gaikwad, Jul 19, 2004
      4. PID CONTROLLER FOR 8051. Wamwana J. B, Apr 15, 2003
        1. source code. Ingo, Aug 5, 2003
      5. wanted pid soucrce. muthukumaran, Nov 10, 2003
    3. Ready made 8051 based PID controller available. Manoj V, Nov 13, 2001
      1. i need 8051 based pid controller. nasrul, May 2, 2002
  21. Airconditioner Controller or PID. Ninoy, Dec 11, 2000
    1. PID controller. Luc Szklanecki, Dec 16, 2000
  22. apply pid algorithm in pic. peterwong, Dec 5, 2000
    1. RE: apply pid algorithm in pic. John Shaw, Dec 8, 2000
    2. PIC PID. Joe Arlinghaus, Dec 22, 2000
      1. PIC como PID. jedbaron, Aug 3, 2002
        1. PIC COMO PID. tahir, Sep 18, 2002
    3. PID on PIC. Ihor, Aug 20, 2003
  23. Clausius-Clapeyron Equation. Ibrahim A. Al-Aqeel, Nov 15, 2000
  24. about pid project design. peter wong, Nov 13, 2000
    1. RE:about pid project design. John Shaw, Nov 14, 2000
  25. Almost Free PID Controller Tuning Software. Danyang Liu, Nov 9, 2000
    1. BESTune moved to a new web site. Danyang Liu, Nov 26, 2000
  26. Beginner. Joseph Zammit, Nov 9, 2000
    1. RE: Beginner. John Shaw, Nov 10, 2000
    2. http://www.geocities.com/alibagcity/processcontrol.html. Prashant N. Mhatre, Dec 16, 2000
  27. Sample Time. Jim, Oct 25, 2000
    1. Re: Sample Time. John Shaw, Oct 31, 2000
      1. Untitled. Tom, Mar 9, 2001
    2. Level tining. Mark Kelly, Nov 4, 2000
  28. PID speed control using an 8051. Dan Bernes, Oct 24, 2000
    1. I have an example. Paola, Dec 3, 2000
      1. Interested at PID controll. Ralf Dunker, Dec 15, 2000
        1. PID control of Stepper Motor. Abhijit Biswas, Jan 29, 2003
      2. Interested at PID controll. Ralf Dunker, Dec 15, 2000
      3. please help me with this problem. puya-g- afshar, Jun 4, 2001
      4. helpme give me the of pid on microcontroller. bud, May 24, 2004
    2. control speed control. ahzan salvinawati ahmad, Sep 11, 2001
      1. suggestion. fayroze, Jan 8, 2003
      2. info: on using microcontroller(8051) for controlling speed. sumith, Jul 27, 2003
    3. control speed. ahzan salvinawati ahmad, Sep 11, 2001
  29. Tuning level loop. Marc Lussier, Oct 20, 2000
    1. RE:Tuning level loop. John Shaw, Oct 25, 2000
    2. Level Loop Tuning. Mark Kelly, Nov 4, 2000
  30. optimal PI or PID design for second order system. Chris, Oct 18, 2000
    1. RE: optimal PI or PID design for second order system. John Shaw, Oct 25, 2000
      1. For ISE cost function. Chris, Oct 25, 2000
        1. RE: For ISA cost function. John Shaw, Oct 31, 2000
    2. INFORMATION. amit jain, Oct 5, 2001
  31. Question on Grounding. Kent, Oct 10, 2000
    1. Grounded. Pat Jones, Dec 5, 2000
  32. multivariable pid algorithm. Manel, Oct 6, 2000
  33. Process controller. ron driscoll, Sep 29, 2000
  34. Process Control Links. Prashant N. Mhatre, Sep 27, 2000
  35. Proportional Offset. Amir Fallah, Sep 12, 2000
    1. RE: Proportional Offset. John Shaw, Sep 12, 2000
  36. PID Tuning. Mark Kelly, Sep 3, 2000
    1. RE: PID Tuning. Richard Adams, Sep 5, 2000
      1. Re:Re: PID Tuning. MArk Kelly, Sep 10, 2000
        1. Re:Re:Re: PID Tuning. Rich Adams, Sep 11, 2000
          1. Re:Re:Re:Re: PID Tuning. Mark Kelly, Sep 12, 2000
            1. Re: (etc.) PID Tuning. John Shaw, Sep 14, 2000
    2. PID Loop Tuning. Prasanna, Jan 10, 2002
  37. Starting values by experience?. Stefan, Aug 14, 2000
    1. Starting Settings for Common Loops. john gerry, Oct 9, 2000
  38. Advisability of using PID in a small 8051 microcontroller. Doug Wendelboe, Aug 9, 2000
    1. Re: Advisability of using PID in a small 8051 microcontroller. John Shaw, Aug 9, 2000
      1. Re: Advisability of using PID in a small 8051 microcontroller. Doug Wendelboe, Aug 11, 2000
        1. PID on small micros. Steve Bishop, Aug 12, 2000
          1. PID on small micros. John Shaw, Aug 12, 2000
          2. RE: PID on small micros. Doug Wendelboe, Aug 13, 2000
  39. Simple Analog PID/PI Peltier temperature regulation?. Kenn Lynch, Aug 4, 2000
    1. Small help from an old EE. Sean Cleary, Aug 4, 2000
    2. Recheck and more comment. Sean Cleary, Aug 4, 2000
    3. Peltier temperature controller. Tuba, Aug 21, 2001
  40. PID : how setting keypad. madi mt, Aug 4, 2000
  41. Links. Sean Cleary, Jul 26, 2000
  42. Anti reset wind-up. Floor de Blok, Jul 26, 2000
    1. hello...can u help me?. yaya, Aug 25, 2000
    2. PID Controller Specification (White Paper). john gerry, Oct 9, 2000
      1. Here is the link to PID Controller Specification (White Paper). John Gerry, Oct 9, 2000
  43. Level control - valve opens early. Sue, Jul 22, 2000
    1. RE: Level control - valve opens early. John Shaw, Jul 26, 2000
    2. Crazy PLC that control. Pat Jones, Sep 29, 2000
  44. PID parameters. Steward, Jul 21, 2000
    1. RE: PID parameters. John Shaw, Jul 22, 2000
  45. PID design and DCS implementation. Marco Rivas, Jul 20, 2000
    1. RE: PID design and DCS implementation. John Shaw, Jul 21, 2000
  46. Input vs output. Sleepy Sean Cleary, Jul 19, 2000
  47. Maximum find Algorithm. Klaus Metzger, Jul 13, 2000
    1. Small help from Comp Sci land. Sean Cleary, Jul 14, 2000
      1. Thanks. Klaus Metzger, Jul 18, 2000
  48. Thoughts on quality of control, RMS. Sean Cleary, Jul 11, 2000
  49. Velocity form of the PID equation. Dave Fox, Jul 10, 2000
    1. RE: Velocity form of the PID equation. John Shaw, Jul 12, 2000
      1. RE: Velocity form of the PID equation. Dave Fox, Jul 21, 2000
        1. RE: Velocity form of the PID equation. John Shaw, Jul 22, 2000
      2. An answer from venezuela.. lino figuera, Jun 22, 2002
    2. Re: Velocity form of the PID equation. Patrick Smout, Jul 26, 2000
  50. PID tuning optimization. Orca, Jul 10, 2000
    1. RE: PID tuning optimization. John Shaw, Jul 11, 2000
    2. PID: minimum settling time and yet no overshoot. Danyang Liu, Jul 24, 2000
    3. Re: PID tuning optimization. Mark Kelly, Sep 10, 2000
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