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TrainController Gold and Silver - Freiwald Software

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• Create a flagman “Track 1” <strong>and</strong> assign the indicator “Track 1” as trigger. This<br />

flagman is used to stop the turntable when the bridge reaches track “1”.<br />

• Assign the state “on” of the on-off switch “Track 1” as condition to the flagman. In<br />

this way it is ensured that the bridge is stopped at track “1” only if it should do so.<br />

• Assign the comm<strong>and</strong> to stop the turntable as operation to the flagman.<br />

• Via the operations of the flagman the on-off switch “Track 1” should be turned off<br />

again in order to return to the initial state.<br />

How it works:<br />

If the turntable is instructed to go to track 1, then the on-off switch “Track 1” is turned<br />

on. This on-off switch starts the bridge to move. When the physical bridge of the turntable<br />

reaches track 1, the feedback indicator “Track 1” is turned on. This again triggers<br />

the flagman, that is turned on, because the on-off switch “Track 1” acting as a memory<br />

is still turned on. The flagman then stops the turntable.<br />

Notes:<br />

This is a very rough explanation of the setup. Detailed instructions would be out of proportions<br />

of this manual. This example should give you a first idea how the mechanism<br />

works in principle.<br />

The key is the usage of the on-off switch as a memory. It is turned on at the beginning<br />

of the move to the destination track <strong>and</strong> it ensures that the turntable is correctly stopped<br />

at the right track.<br />

Normally you will create two on-off switches for each track, one for each direction.<br />

A problem might arise due to the fact that in many cases stopping of the bridge must be<br />

triggered just before the bridge reaches the destination track rather than just after arrival<br />

in order to stop the movement in time.<br />

Transfer tables are setup for indexing accordingly.<br />

Setup of a generic turntable for indexing is done in the same way. The only further<br />

measure to be taken is setup of additional operations for the comm<strong>and</strong>s normally supported<br />

by analog turntables as displayed in Diagram 182.<br />

315

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