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Inda Gro Daylight Harvester Main Sensor-Controller. Model No: DHMSC
For greenhouse lighting applications our Main Sensor-Controller is capable of turning on and off all of the lights within the greenhouse. This low voltage sensor may be used as the main sensor with our standard Pro-420-PAR lights and/or Pro-420-PAR-DH lights that come equipped with a local area sensor.
Other features include:
•High-Low switch that corresponds to the Local Area Sensor switch.
•The High setting initiates turn on sequence @ 560 µMole/M²/sec or below and turn off sequence @ 650 µMole/M²/sec or above.
•The Low setting initiates turn on sequence @ 370 µMole/M²/sec or below and turn off sequence @ 430 µMole/M²/sec or above.
•A fuzzy logic algorithm is used to initiate On/Off actions when conditions have been identified as sustained for 5 minutes. This prevents cycling.
•Test/Run switch that allows the normal 5 minute sustained program to be bypassed (10 sec) for sensor testing.
•For Off Grid Greenhouses may be used as the controller to turn on/off generators to run lighting loads when natural sunlight is unavailable.
•Simple low voltage CAT 6 connection to interface customers lighting contactors and timers
•LED lights indicate On/Off status of the controller.
•Includes one 12v DC control relay and a universal voltage (100-240v AC) power supply.
•(H) 61mm - 2.4” (L/W) 80mm - 3.15”
•Allow 7-10 days for these to ship.
Supplemental lighting in greenhouses are a proven asset in overcoming marginal, or what would be considered poor growing conditions occurring during certain times of the year and/or depending upon the region where the crops are being grown.
The ideal supplemental lighting system will take into consideration not only the spectral quality of the supplemental lighting systems but how the intensities can be managed to take full advantage of available sunlight to meet crop specific Daily Light Integrals as measured in the crops Moles/Day.
The Main Sensor is a low voltage sensor that measures incoming sunlight and will communicate via a customer provided CAT 6 connection between the Panel Controller and the Main Sensor. This control system is not recommended for use with HID lighting systems due to the long restrike times they require when turned on.
The Master Sensor-Controller is sold as a kit which includes:
Solid State Control Relay with indicator light will make or break coil voltage to the customers main lighting contactor(s).
Low voltage and CAT 6 wiring has been prewired on the backboard.
Panel Controller with Universal Power Supply 120-240v 50/60Hz (5.75” x 5”).
RJ45 Coupler for through panel CAT 6 connection.
Main Sensor –Controller Model no: DHMSC.
The Main Sensor should be located in a central location with an unobstructed view of the incoming sunlight.
Hi/Low and Test./Run Switches LED status indicators.
When the customer provided timer is in the ON photoperiod the Main Sensor will oversee ON/OFF control of a virtually unlimited number of our Daylight Harvester that are equipped with local dimming controls or any of our standard PAR induction grow lights.
Certain crops produce favorably under less sunlight so supplemental lighting requirements are lower. The HIGH/LOW switch is designed to let the user define when the lamp will react to sunlight conditions. In the LOW setting it will take LESS sunlight to active the sensor between half-full bright output levels. Conversely in the HIGH setting it will take MORE sunlight to activate the sensor between half-full bright output levels.
A typical commercial electrical distribution panel that one might find in a commercial
greenhouse. This panel is rated at 120/208 volt, 3 phase, 4 wire and is equipped with a lighting
contactor that controls all of the branch circuits which services the greenhouses supplemental lighting
systems. The Main Sensor-Controller will control any single or three phase electrical distribution
service rated between 120-277 volts that has a lighting contactor. The universal power supply requires
120-240 volt circuits for control power.