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Model Railroad Control Systems

cpOD - Control Point Occupancy Detector

$13.00

cpOD - Control Point Occupancy Detector

$13.00
SKU:
cpOD-ST
Weight:
0.10 LBS
Shipping:
Calculated at checkout
Quantity:
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Product Description

The cpOD is a low cost, DCC only, current sensing block occupancy detector for model railroads. It is intended to be inserted inline with one block feeder wire and provide a signal indicating a track block has current flowing in it. The Occupied signal is logic low and can be tied to a computer input port or a current limited LED.  cpOD comes in two configurations:

cpOD with 3 position screw terminal block

cpOD-M with 5 pin Molex  connector for use with an ODMB or ODX4 motherboard

cpOD-M U_install comes with a loose sensing coil, you insert a 4.5" piece of 22 GA through the coil and solder the coil and wire in.  We offer this as a low cost alternative at a time of rising labor costs and new tariffs.

Over 1000 sold!


Key Features:

  • Small footprint, 2" x 1 1/8" x 1 1/4" high
  • May be placed close to the detected track section
  • 5 - 12 VDC operation
  • Single turn track feeder wire through toroid coil
  • Sensitivity adjustment with onboard LED indication
  • Vacant block hold timeout
  • cpOD-M version is pin compatible with the Dr. Chubb's ODMB and MRCS's ODX4 motherboards
  • Supports up to 60A of track current
  • Draws 5mA @ 5V
  • Open drain output sinks up to 115mA @ up to 48V
  • Surface Mount Technology (SMT) for smaller footprint

 

This circuit was designed by Mark Schutzer, who retains all rights, cpOD is not available as a bare board and design information has not been published. 

 

Click here for cpOD Product Brochure

Click here for cpOD Installation Instructions

 

 

 

 

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