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Recent content by Daval

  1. Daval

    DeviceNet

    I'm sitting here in front of an HMI and looking at the first outs they are there for safety locks and process locks. the control room will tell you that they get no indications as to why the equipment shut down.
  2. Daval

    DeviceNet

    These starters are brand spanking new( plant where I work is only 3 years old).... We do a visual PM on all of our starter every 28 days and contacts are checked and cleaned every 56 days(if warrented) No chattering, run smooth as silk. This may help for further discussions; Originally the...
  3. Daval

    electronic welders

    There is a component on a electronic welder that other electricians are cutting off the circuit board to make the welder "run better" (these welders seem to not shut down due to heat after prolonged use), it comes off the main 600 volts and it is between two of the phases. VR is beside the...
  4. Daval

    DeviceNet

    Sorry guys but it is just a normal CH mag starter. We have one motor where last time we had to reconfigure the poni( it had lost its configuration, went back to default)How would it do this? Voltage spike? but another one of our motors will just stop. All it takes to restart is a command from...
  5. Daval

    DeviceNet

    Our plant uses DevieNet as an interface from our motors to our DCS. What happens is sometimes during summer we have a couple of motors, a select three on different MCC's that give us problems by randomly shutting down( unfortunately two of these motors will take out the whole front end of the...
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