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Recent content by transitmech

  1. transitmech

    what is the best freeware program for making electrical schematics?

    I'm looking for a good freeware or possibly a cheap shareware design program for making automotive electrical schematics. Any ideas?
  2. transitmech

    building a field voltage monitor circuit for input to a plc

    In response to an e-mail, the field voltage under normal loaded conditions (with everything working correctly) varies between 8 and 11 volts to the field terminal, prior experience has shown when the field voltage rises to the 22v.+ region the alternator is on it's last legs and needs to be...
  3. transitmech

    building a field voltage monitor circuit for input to a plc

    I need help designing a circuit that will monitor the field voltage of a 24 v. alternator so it will set an alarm thru a plc system when a predetermined voltage is seen. This is for a PM program to help determine when the alternator is getting to a stage in its life when it should be replaced...

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