Lenz Digital plus BM2 Mode D'emploi page 29

The table below shows the various possibilities:
Train behaviour
Stop
Clear
Slow approach
6.4.2 Using form signals
Form signals are usually equipped with switches that can be used to switch off the track voltage of a
track section in front of a signal indicating "Stop". These switches can also be used to indicate the
signal status to the BM2.
The figure below shows the connection of the form signal switches:
Light signal Voltage at "Clear"
input
red
green
green / yellow
Voltage at "Slow
approach" input
no
yes
yes
29
no
no
yes
E