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Electronic Theatre Controls Inc

Local Control - What to look for

What safety features do you bypass when you use the local control rocker switch?

Typically if the feature is software based in the controller then it is bypassed.

These bypassed features include:

  • Soft Limits
  • Load Profiling
  • Phase reversal check - Can back wind the drum
  • Variable speed hoists will only run at 30 FPS
  • Motor not moving notification- If you break a timing chain the motor will still move possibly breaking other things.


What does function? Anything that is hard wired into the control card. 

  • Hard Limits
  • Slack line
  • Hoist capacity- still can't overload the hoist
  • Motor Brake
  • Load Brake
  • Overload relay
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