Communications Board for Eaton Leonard - CB-EL1

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Contents


Cb-el1 array.jpg

About

This is the Advanced Tubular Technologies communications board designed to communicate with all VELOG, EL-2000, and Premier controls.

Voltage Boost

The protocol has commonly called "current loop" even though it's not really current loop. For those of you into electronics, the electronic protocol is an older Eaton Leonard design that actually boosts the voltage in order to allow for increased cable distances.

The protocol has been used for several decades and is still one of the standard ports provided on the Eaton Leonard measuring centers. It's been around for a long time and it still works great.

Features

There are several features and improvements in this board:


  1. The board requires only a single +5 volt power (The original design requires both +15 volt, -15 volt, and +5 volt power.)
  2. The simplified electronic design allowed for size reduction to 1/3 original size or the standard EL boards.
  3. This board includes LED indicators: Indicates power, transmission, and reception
  4. This board includes built-in current reversal protection. Reversing the power polarity will not destroy the board.
  5. This board uses screw terminals for power connection
  6. The communications connectors are easy-to-use RJ45 receptacles
  7. The board is certified RoHS compliant (no lead solder)
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