Recent content by Maclaughlin

  1. M

    Retired control systems engineer

    I am intrested.
  2. M

    Decanter tripping on maximum bowl speed deviation

    We get the following error: Maximum bowl speed deviation on HMI.
  3. M

    Decanter tripping on maximum bowl speed deviation

    when ever we start up or increase the feed-rate the alarm comes up. When starting it up we have to keep clearing the alarm and starting it up while it still has momentum until it reaches the set RPM. Are we missing something?
  4. M

    Decanter tripping on maximum bowl speed deviation

    We did the following but it is still tripping: Replaced the bowl speed sensor Replaced the IO card Replaced bowl motor Copied VSD Parameters from another identical VSD on second decanter Replaced and tightened the V-belt on bowl
  5. M

    Anodic protection System

    Tank material is stainless steel. Temperature should be in the 30s or atmospheric. storage capacity is 10 000 tones.
  6. M

    Anodic protection System

    I am having a hard time understanding the values i am getting on the anodic protection system of our (99.99%) Sulfuric acid storage tanks. It has three electrodes with references of -600mV; -398mV and -410mV. on the terminal reference input it is giving -0.42V for each of the electrodes. The...
  7. M

    What is Dew point.

    It's an reverse osmosis plant,it was an interview question even though i didn't get the job that was one of the ice breaker question.
  8. M

    What is Dew point.

    in relation to a desalination water plant why is dew point regarded as important .
  9. M

    Namur NE 43 - what is it?

    Apart from Namur NE 43, what other standards are used by manufacturers?
  10. M

    Endress and Hauser Promag 53 Network Failure

    Hi MrAnon, I am not sure what connected and unconnected communication is, can you explain what that is. Sometime both LED are flashing green or both solid red. At times they are both off. Rarely, they are both solid green and no communication received. The local display does not show any...
  11. M

    Endress and Hauser Promag 53 Network Failure

    We are using E&H Promag 53 to measure flow. the system we are using is a Rockwell DCS. we have segregated the control cables from the power cables in our racking system and have grounded the shield in the RIO panels. The problem we are having is that at times the FITs just lose network and fail...
See more
Top