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Reply to "Running two trains on same track using 153c and Block Target signal"

You only need one hot and one common from the transformer. The track voltage is being turned on/off from the connector. The connector works the same as a relay. There is the wiper which goes to the center rail in the controlled section and Normally/open terminal is left empty  Normally/closed terminal has hot wire from transformer.

 

You need 2 153 contactors to make it work. When train 1 runs into Block1 the power is turned off to block 2 directly behind Block 1 thus stopping train 2 from running into train 1. When train 1 clears block 1 power is restored to Block 2 and train 2 can move forward. Block 2 is controlled the same way denying train 1 access to Block 2 until train 2 clears. The more blocks the smoother the operation.

 

The target signal has nothing to do with making everything work and is just candy for our eyes.

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