User manual

tams elektronik
English KSM-3
Mode of operation of the KSM-3
As soon as a locomotive bridges the sectioning point between
differently poled sections inside and outside the loop, the KSM-3
changes the polarity within the terminal loop. The response time is
extremely short, as the KSM-3 already detects the voltage drop at the
switchover to a short-circuit. In consequence, the KSM-3 is able to react
within milliseconds before the voltage breaks down due to the short
circuit.
The sensitivity for the polarity reversal depends on the applicated
voltage and for that reason has to be set via a trimm-pot individually.
In order to allow the precise setting a LED on the KSM-3 lights up as
soon as the sensitivity has been set optimally (for the particular layout).
That way you safely prevent wheels, current collectors and rails from
damages and make sure locomotives pass the sectioning point without
jerking.
Integrated switching of the points
The KSM-3 has an additional output for the connection of coil driven
points. In order to connect motor-run points, you need an addtional
adapter for motor-run points AMW-1 (item-no. 72-00076).
The points are switched automatically as soon as the locomotive
reaches one of the two sectioning points (simultaneously with altering
the polarity). The two sectioning points are assigned to a particular
correct position of points. That way externally switching the points does
not interfere with the safe procedure.
Procedure
Phase 1: According to the current position of points the locomotive runs
clockwise or counter-clockwise through the terminal loop. When the
train is intended to run in a specific direction through the loop, the
points can be set accordingly from the outside.
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