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Last update 8/2/2019

 

Category Category
Logic Rail Tech Grade Crossing Pro Infared Detection
Item Item Details
Logic Rail Tech Grade Crossing Pro Infared Detection
Item Name:
Logic Rail Tech Grade Crossing Pro Infared Detection
Item #:
LRT-GCP-IR
Price/ea:
$54.95  $50.99
Average Rating:
Features Include:

- Prototypical control of grade crossing signals (LED or bulbs) and gates

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An eastbound (left to right) train will cause the signals to begin flashing when WF is covered. Approximately 4 seconds later the gate motor output will turn on and the gates will move down (if present). The signals will continue to flash even if it uncovers photocell WF as long as the train reaches photocell WN within 35 seconds. Assuming the train does this and then subsequently covers photocell EN the signals will continue flashing. Approximately 2 seconds after the last card of the train uncovers photocell EN the gate motor output will shut off and approximately 3 seconds later the signals will stop flashing. If the train had not covered photocell WN within 35 seconds of uncovering photocell WF then the GCP will assume the train has reversed. This “timeout” will cause the gate motor output to shut off and the signals will stop flashing (~3 seconds after gate motor shut off). Similar behavior exists for a westbound train with respect to photocells EF, EN and WN (shut off occurs after the last car uncovers photocell WN).

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"TrueLamp" feature gives realistic flashing lamp persistence; the lamps (LED or bulbs) appear to fade out rather than simply turn on and off

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Uses 4 photocells (included) for proper bi-directional behavior; each photocell has its own sensitivity adjustment and the GCP provides a setup mode for making the adjustment process easier

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Adjustable gate motor speed

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Cascade multiple GCP units for multi-track crossing arrangements. NOTE: Although it may be tempting to simply add additional photocells to handle a multi-track crossing, this will not yield correct behavior! The GCP would not be able to properly sense the direction of travel on different tracks!

- Can also be triggered by other electronic circuits; trigger output can also be used to turn on a
bell circuit (see below)

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The GCP instructions cover the use of infrared emitters and detectors in place of photocells. It is also possible to use current-sensing detectors rather than photocells; you can download an application note here.

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Works with all scales; signals and gates not included (use with products made by Tomar, Oregon Rail Supply, Walthers, NJ International, etc)

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Powered from AC or DC (7-16V); current draw is ~90mA with dual LED signals

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Solid State Design (1 year limited warranty)

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Logic Rail Tech Grade Crossing Pro Infared Detection

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