CS3000 User’s Guide
Calsense
15
POC Decoder
The Calsense POC 2-Wire decoder (model CS-2W-POC) operates a single master valve and Calsense Flow
Meter (model FM). A single controller can operate up to six POC decoders with a maximum of 12-POCs
in a chain of controllers using
FLOWSENSE
technology (Figure 7).
Soil Moisture Sensor Decoder
The Calsense soil moisture sensor is used to accurately measure the volumetric water content at the
depth at which the sensor is placed, by measuring the dielectric constant of the soil using
capacitance/frequency domain technology. It is used to maintain soil water balance for optimum plant
growth and to manage the amount of irrigation water applied.
The model CS-2W-MOIST is used in conjunction with the 2-Wire option, model CS3-2WIRE-OPT offered
only with the Calsense model CS3000 irrigation controller. The dual sensor/ decoder comes with the
standard 16-foot cable for proper sensor placement and the ability to wire one remote control valve to
the 2-Wire cable. Moisture sensors can be installed anywhere on the 2-Wire path up to 7,000 ft. of total
cable length.
Smart technology enables assigning any decoder’s serial number associated with a specific moisture
sensor location, to a group of like stations at the controller. The model CS3000 uses the sensor reading
measured at the beginning of each irrigation cycle compared to the user defined set point to determine
when to stop irrigation.
Figure 7: POC Decoder
Summary of Contents for CS3000
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