PhotoClock® II with 0-10V Dimming

Energy Management Made Easy w/ GPS & 0-10 V Dimming

PhotoClock Example: Our standard factory, and most requested, setting is on at full brightness at dusk, dim to 5 Volts at midnight, back on to full brightness at 5 a.m., and off at dusk. This schedule can be customized to meet your specific lighting needs. 

5 Volts = 50% (approximately and dependent upon fixtures)

Features of the PhotoClock:

Stand-Alone Energy Management: Value Priced Solution

Reliable and Secure 

ANSI 136.41 Compatible Base for 7 pin Receptacle

GPS Time Receiver: Sub-Second Accuracy

7 Day Versatile Programmability: Simple Configuration

This product is covered by one or more patents: US 7,345,270 B1; US 8,884,532 B2

GPS Time Receiver: 
Subsecond Accuracy
World Wide Coverage
7 Day Versatile Programability:
6 Customizable daily events
Simple set-up and programming 
  Zero Cross Switching Technology:
Protects the device from inrush
currents, commonly found in LED
SELF-Healing Relay: Our Patent Pending technology
actually works to un-stick the contacts. Allowing
unattended field restoration. 


3 Tier Power Supply Circuitry: 320
Joule MOV rated, Dual Zener Diode and a 
precision voltage regulator.


  Intelligent Microprocessor: assures
advanced Performance & Reliability

Tru-Filter®: spectral sensitivity
matches that of the Human Eye

Standard Factory Settings

(On @ Dusk / 5V Dim @ Midnight / 10V Dim(Full Brightness) @ 5AM / Off @ Dawn - DST Enabled)


  RC8744D - (105-305V)
Eastern (EST) RC8744D-E000-2.6
Central (CT) RC8744D-C000-2.6
Mountain (MTN) RC8744D-M000-2.6
Pacific (PST) RC8744D-P000-2.6
Hawaii (UTC) RC8744D-H000-2.6
International (TBD) RC8744D-I000-2.6
Simple Setup System Override Off (Seasonal Operation) Individual Day Scheduling

Customer Programmable or Factory Set

Flexible Programming Options

Minimizes disorientation of Wildlife
City, State and National Parks and Recreation Areas
Government - Retail - Manufacturing
Educational -Institutional - Medical

fig 1 Application Main Screen


fig 2 Customizable Program Screen

Quick Start Guide

Video detailing programming of the PhotoClock®

PhotoClock® Programming Software

Click on the above link to download the PhotoClock® programming software to your browser. Unzip this file and run the setup program to install this software on your computer. You will then need to connect your PC to the PhotoClock®II using the Ripley Programming Cable for PhotoClock® II. Please note that software will not run on a MAC platform, PC only.

Frequently Asked Questions

How many events can you schedule per day? Per week? 

 - You can schedule 2 light level events, which are always dusk and dawn and 4 time based events every day - for any or every day. 

Do you need an external power supply to program the units? 

 - The customer Ripley USB programming cable has been designed to supply power to the unit for programming. 

Can units that have been factory programmed with a schedule be changed? 

- Units that have been previously programmed either at the factory or by the customers can be changed with the downloadable software and the custom USB programming cable.