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  • Users: knji
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  1. knji

    Retracting a rejected offer of employment

    Thanks for all the responses. I followed Greg's advise, called up my new employer and was re-offered the position. Why did I turn down the offer in the first place? Failure to take into consideration, during my deliberations, the fundamental reason why I wanted to move on in the first place...
  2. knji

    Retracting a rejected offer of employment

    What would you do if you turned down a job offer, only to realize over the weekend that you made the wrong decision? TIA.
  3. knji

    Overcoming the obstacle to departmental transfer

    I have been in Technical Support within my present company for 2 years. My educational background is MSEE with emphasis on Control Systems and a minor in Computer Science. I have expressed my desire to join the Software department, and have applied to an internal posting for Intermediate...
  4. knji

    Good book on UI design

    That would be UI design for desktop applications. Thanks again.
  5. knji

    Good book on UI design

    Any recommendations on good book covering best UI design practices? TIA.
  6. knji

    Slow Down

    Nice article...
  7. knji

    Recommendations on dealing with the unknown in interviews

    Thanks for all the good points. I am preparing for an interview with a company that designs nuclear reactors, and want to make sure that I have all the grounds covered. I just learnt about the position today (MMIR Project Computer Control Systems). Will learn more about this during the...
  8. knji

    Recommendations on dealing with the unknown in interviews

    For those of you who have sat on on interview panel, what type of answer do you expect from a candidate, in response to a question, you know they have very little practical experience on? For instance, say you are on a panel interviewing a candidate for an Instrumentation and Control position...
  9. knji

    Control Systems Engineer or Software Developer?

    Controlnovice, thanks for the informative answers. I am currently at crossroads and could definitely use some mentoring.
  10. knji

    Control Systems Engineer or Software Developer?

    Folks, I need some help with the following questions: 1. What are the role of a Control Systems Engineer in a Utility or Manufacturing company? 2. Do Utilities or Manufacturing plants have Control System Engineers as permant staff or do they outsource to System Integrators? 3. What is...
  11. knji

    Why is Ada not gaining ground

    I hear you about expensive cross compilers for embedded Ada. Also it looks like very few targets support Ada executables. However, GNAT GPS is free for native applications.
  12. knji

    Why is Ada not gaining ground

    Any Embedded Software Developers on board? Can someone explain why Ada is not gaining ground despite being recognized twice as an international standard for embedded computing? All literature surveys comparing Ada and C or C++ for embedded systems development praise the former for implementing...
  13. knji

    First Job Offer In Controls Opinons wanted

    Wow, another interview? Looks like I should be moving down South! Good Luck on Friday.
  14. knji

    First Job Offer In Controls Opinons wanted

    bullsonparade (Electrical), I agree with Controlnovice that Support/Maintenance is a good place to start. There is a lot of fundamentals to learn in a Support/Maintenance role, and I say this from experience. If you want to get into the design of electro-mechanical controls (aircraft...
  15. knji

    Help with .mdl code from the internet

    Corrupt file? Incompatible versions of Simulink? As I recall, if you have an older version of Simulink (MATLAB 6), you cannot open a file created with MATLAB 7.
  16. knji

    Non Programmable PID Controller

    Andy345, .... but tuning the PID gains to respond to the system pressure based on your performance objective is what defines them. The dynamics of each process is different so controller gains will be different. Also, you will have different controller gains for the same process if you have...
  17. knji

    Ethernet to Serial conversion

    xJAyx, Ethernet to serial converters allow the serial side to be multi-dropped using RS-485. The multi-dropped devices are only distinguised from their station numbers. I do not see the benefit or how an ethernet to serial converter will provide an IP address for each serial device. This will...
  18. knji

    Modbus TCP

    The ability to have multiple masters on a Modbus/TCP network depends on how the masters are implemented. If a master simply means that the device can initiate a conversation (note that Modbus is half duplex by nature), then I do not see any reason why you cannot have multiple devices polling...
  19. knji

    Calculating DNP3 message loading on a radio path

    I need help calculating the message loading on a radio path between two PLCs communicating via DNP3. We are using 900 MHz radios in full duplex mode. The radios will be configured for 9.6 kbps link capacity. A brief summary of the data is as follows: - A background poll of static data will...
  20. knji

    Calculating DNP3 message loading on a radio path

    I need help calculating the message loading on a radio path between two PLCs communicating via DNP3. We are using 900 MHz radios in full duplex mode. The radios will be configured for 9.6 kbps link capacity. A brief summary of the data is as follows: - A background poll of static data will...

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