Greengate
Technical Data
Daylighting Controller
Catalog#
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Project
Date
Comments
Type
Overview
The Daylighting Controller automatically switches a dry contact in
response to changes in natural daylight. It provides a maintained
single pole, double-throw “Form C” relay output to drive electrically
held contactors or relays or inputs to Energy Management Systems
(EMS). The DLC-PDC can control incandescent, fluorescent or HID
lighting. The low voltage controller requires a remotely mounted
photosensor. The advantages of using the daylighting control system
are found in stability, versatility, quality and accuracy. It offers
precision light measurement setpoints that are stable once set and
the flexibility to be applied to many different lighting environments.
Features
For use within open or closed loop application
Adjustable maximum output voltage for high resolution
Daylight
Control
Daylighting Controller
December 2015
Specifications
Operating
Environment
Compatible
Sensor Type
Input Voltage
Dead Band
Input Delay
Output
Circuit Board
Dim
Plastic Box Dim
2
13°F to 140°F (-11°C to 60°C)
Relative humidity: less than 95%, non-condensing
For indoor use only
DLC-PD-IN (Indoor)
DLC-PD-OT (Outdoor)
DLC-PD-AT (Atrium)
DLC-PD-SK (Skylight)
*For more information on the above analog
sensors refer to Analog Photosensor Spec Sheet
15 VDC
Adjustable - 5-95%
Standard - 30 second Sensor (removable for
adjustment)
Standard - Form C SPDT Relay 10A resistive
3.75”H x 2.25”W x 1”D
4.75”H x 2.5”W x 1.5”D
www.eaton.com/lightingsystems
Description/Operation
The dual setpoint precisely switches loads according to the selected
light level configuration. LOW and HIGH light levels are calibrated
to their setpoints at the control board. As the sensor detects a
diminishing light level that corresponds with the LOW setpoint, the
control board matches the two signals and the lights are switched
ON. As the sensor detects an increased light level, the control
board’s HIGH setpoint switches the lights OFF. This prevents the
sensor from switching light levels between the setpoints, thus
eliminating nuisance or intermittent changes.
Daylighting Controller
December 2015
Wiring Diagrams
Lights Controlled by Occupancy and Daylight
Lights Controlled by Daylight
www.eaton.com/lightingsystems
3
Daylighting Controller
December 2015
Ordering
Cat #
Description
DLC-PDC
Daylighting Controller
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
Eaton
Lighting systems
203 Cooper Circle
Peachtree City, GA 30269
www.eaton.com/lightingsystems
© 2015 Eaton
All Rights Reserved
Printed in USA
Publication No. TD503059EN
December 12, 2015
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.