(Topic ID: 104113)

Should a EOS be closed or open in the energized flipper position on a

By fuzz

9 years ago



Topic Stats

  • 3 posts
  • 3 Pinsiders participating
  • Latest reply 9 years ago by wayout440
  • No one calls this topic a favorite

You

Linked Games

#1 9 years ago

demo man?

having great trouble with this

#2 9 years ago

Closed.

Doesn't really matter anyway EOS does nothing on that game.

#3 9 years ago
Quoted from CrazyLevi:

Closed.
Doesn't really matter anyway EOS does nothing on that game.

I think the EOS is used...just not in the traditional sense as I understand:

PinWiki:

The FlipTronics system ended reliance on properly operating EOS switches. While FlipTronics systems still have EOS switches, they generally are not used to control power to the coil windings. The EOS switch provides feedback to the MPU that the flipper has completed a stroke. A failed EOS switch will not cause damage to either the coil or to the switch circuitry. If the MPU doesn't receive feedback that the flipper has completed a full stroke within a specific time (milliseconds), the "power stroke" winding power will still be interrupted.

There is a special case where a properly operating EOS switch comes into play. The EOS switch on FlipTronics games helps to keep the flipper bat in the up position when a fast moving pinball strikes the flipper. When the ball strikes the flipper, moving it toward the "at rest" position, a properly operating EOS switch will open. The FlipTronics board will then provide a path to ground for the "power stroke" winding until the flipper completes the upward stroke, closing the EOS switch again. Games with broken or malfunctioning EOS switch(es) may allow the flipper bat to drop all the way to the "at rest" position when struck by a rapidly moving ball, with possible loss of ball, and a great deal of "what the @#$% just happened".

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