Circuitron TC-1 Automatic Turnout Controller – DCC-Compatible Switch Machine

Description

TC-1 TURNOUT CONTROL – TWIN COIL

The CIRCUITRON TC-1 will provide automatic activation of any twin-coil type switch machine when used in conjunction with a CIRCUITRON Detection circuit (the DT-4 is the usual choice). The TC-1 has two input control terminals and is to be used to “force” a turnout to a specific direction.

One common application of the TC1 is to provide a non-derailing function on a trailing point turnout. 2 Opto-Sensors from a DT-4 are used by placing one on each leg of a turnout a short distance ahead of the frog. A train approaching from either leg will pass over the respective Opto-Sensor, activate the DT-4 output sending a control signal to the TC-1 which will align the turnout so as to prevent a derailment. Pushbuttons may easily be added to the TC-1 so that manual control is maintained.

The TC-1 can be powered from a 12-18 volt AC or DC input. Maximum power will be achieved with an 18 volt AC or unfiltered DC input. The recycle time is 2—3 seconds. The TC-1 is constructed on a 3” square printed circuit board.

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