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Recent content by cvargas345

  1. cvargas345

    major error fault for slc-500

    Can someone explain to me what the major error S:6 155h means for a AB SLC-500. The error description box states that the discrete I/O module that is required for the user program has the wrong I/O count. This could mean a specialty card driver is incorrect. I am kind of new to plcs so I would...
  2. cvargas345

    standards for motors to be controlled by a VFD

    Are there any published standards that a motor needs to meet if it is going to be controlled by a VFD? If there are could someone point me there? Thank you
  3. cvargas345

    How to megger a 80 DGDA Onan Cummins generator

    I need help on getting some information on how to megger the stator windings on the above mentioned model generator. Thank you
  4. cvargas345

    Generator not starting

    Recently the winding in the stator of our onan cummins DGDA 85KW generator burnt out. We have now replaced the old stator with a new one. However the generator will not start. Before we pulled the generator apart we started it just fine. Now in order to start we have to put a jumper to the fuel...
  5. cvargas345

    Heaters for standby generator windings

    Thank you. I live in the Cayman Islands and it really is humid. Could you direct me to some literature on this topic. Maybe some brochures etc. Once again thank you.
  6. cvargas345

    Reoccuring overcurrent fault on a aquavar cpc vfd

    I am having problems trying to troubleshoot a reoccuring fault on an Aquavar cpc VFD. It controls a pump at a Booster station in a water distribution system. For the last week there has been an overcurrent fault occuring on this VFD. I have meggered the cable and the pump and the results didn't...
  7. cvargas345

    Heaters for standby generator windings

    I am trying to find some information about winding heaters. I need to know if it is worthwhile installing some on a generator at work. I would appreciate it if someone could please point me in the right direction.

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