The
Yard
BitSwitch is
used to prevent equipment entering the main line from a yard siding when the
exit turnout is closed. When the
turnout is closed any train exiting the yard will observe a red
signal
and brake to a stop until the exit
turnout is thrown
at which time the signal will display
green
and the train will be allowed to enter the “
The Yard BitSwitch can be used to create an automatic ladder for as many yard sidings as might be desired. This requires one Yard BitSwitch for each siding and the installation of accessory decoders capable of connection to additional track sensors arranged in a fashion similar to the following. In this application the X trigger connections are connected to the "Release" terminal for the Block BitSwitch controlling the block before the yard.
The Turnout trigger located in:
 |
Yard line #1 closes
turnout #1 directing the next train to alternate sidings, throws
turnout #3 directing the next train to yard line #2 and throws turnout
#4 releasing any train that may be parked on yard line #2. |
|
Yard line #2 closes
turnout #3 directing the next train to alternate sidings, throws
turnout #5 directing the next train to yard line #3 and throws turnout
#6 releasing any train that may be parked on yard line #3. |
|
Yard line #3 closes
turnout #5 directing the next train to alternate sidings, and throws turnout
#8 releasing any train that may be parked on yard line #4. |
|
Yard line #4 throws turnout #1 directing the next train to yard line #1, and throws turnout #2 releasing any train that may be parked on yard line #1. |