Baseline Inc

Model BL-5200R Series - Conventional Wire Powered Bicoders


With Baseline’s BL-5200R Series Powered biCoders™, you can bring the latest in smart irrigation technology to any conventionally wired site without replacing a single wire.   Whether you are combining multiple small irrigation controllers into one controller, or adding the ability to manage flow and incorporate soil moisture sensors, Powered biCoders make it easy.  

The Potential of a Baseline BL-5200R Powered biCoder

The BL-5200R Series Powered biCoder is the best way to make any conventional wire site compatible with the world’s smartest irrigation controllers from Baseline.  With the BL-5200R Series, you get all the functionality available from Baseline controllers.  Baseline biSensor™ soil moisture sensors work over existing valve wire when connected to a Powered biCoder.  Every Powered biCoder has built-in master valve ports.  And, Powered biCoders are two-wire ready, so you can easily expand or upgrade an existing site to two-wire without interrupting the existing irrigation.


The BL-5200R Series Powered biCoders are available in 12, 24, 36, and 48 station count configurations.  You can include up to 48 stations in an enclosure, with or without a controller.  If your irrigation system is running on multiple, small irrigation controllers, you can consolidate them into one system with a Baseline controller and BL-5200R Powered biCoders in their own enclosures.

Powered biCoder Features

  • Each Powered biCoder has 26 built-in addresses for assigning terminals to zones per circuit board.
  • The Powered biCoder establishes two-way communication between the valve and the controller.
  • A 12-station biCoder can concurrently operate up to 2 typical solenoids, plus 2 master valves.
  • The 24-station, 36-station, and 48-station biCoders can concurrently operate up to 4 typical solenoids, each 12-station biCoder operating 2, plus 2 master valves.
  • The Powered biCoder has two “sensor-over-valve-wire” terminals per 12 stations.  The Powered biCoder communicates with a soil moisture sensor connected on each of these two terminals.
  • The Powered biCoder has a test button that verifies electrical connection and communication with the moisture sensors on all “sensor-over-valve-wire” terminals.
  • Each “sensor-over-valve-wire” terminal on the Powered biCoder has an LED that indicates proper electrical connection and communication with the moisture sensor that is connected on that terminal. 
  • The Powered biCoder has a test button that verifies electrical connection and communication with the moisture sensors on all “sensor-over-valve-wire” terminals.
  • The Powered biCoder can activate an irrigation solenoid and/or read a soil moisture sensor over the same existing field common and station wires when connected to a “sensor-over-valve-wire” terminal.
  • Valves can be located up to 1500 feet from the Powered biCoder.
  • The electronics are enclosed in a drip-proof enclosure.
  • Shock resistant
  • Freeze/heat resistant -4oF to 140oF (-20oC to 60oC)
  • Compatible with most common solenoids.

Diagnostic Features

  • The Powered biCoder measures the current used by each solenoid. Changes in this measurement can be used to determine failing solenoids.
  • If a solenoid has failed, the Powered biCoder senses an open circuit or an over-current condition and shuts down the valve.
  • Each Powered biCoder will shut down if communication is lost to the BaseStation.


Electrical Specifications

  • 110 VAC ±10% 60Hz
  • 24 VAC for valve activation
  • Sealed electrical and a sealed enclosure is suggested for outside installation
  • Requires 110-120 VAC (115 VAC nominal) service at the Powered biCoder location
  • 12- or 24-valve Powered biCoder Dimensions:
    • 10” x 12” x 5”

Wire Connection Specifications

  • Use DBR/Y or equivalent for all wire connections. Install all connections according to the manufacturer’s instructions.
  • Run the conventional wire between valve boxes without damage including nicks, cuts, or abrasions to the outer jacket.
  • Allow a 24-inch slack loop at every valve box for making connections.
  • Connect the red and black wire from the two-wire to the unit terminals.
  • Connect a single valve wire from one typical solenoid to each terminal and connect all commons to the appropriate common terminal.
  • Test the wire before installing the solenoids.
  • The distance from the controller to the end of any one wire run must not exceed the maximum distance specified for the gauge of wire in the Wire Distance Chart.

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