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RE: [EnergyPlus_Support] lighting electricity

Hi, Rasha
The code below is correct.  However, you are using only one reference point.
If the light through the window is less then 300 lux, the lights will not be dimmed.
If the total energy  used by lighting is less than that was continuously on, the dimmer is working.  Column J and M of the .csv file.
The IDF I returned to you has two reference points. 
 Dr. Li  


To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: roushaa_84@xxxxxxxxx
Date: Wed, 27 Jan 2010 14:43:09 -0800
Subject: RE: [EnergyPlus_Support] lighting electricity


 Dear Dr. Li,

Thank you very much. I wanted to have a lighting control or dimmer control so I used the inputs below to generate that control in order to link the daylighting with the artificial lighting so was I able to do that? or what do you mean by no dimmer control?

Thank you v.v.v. much




!-   ===========  ALL OBJECTS IN CLASS: LIGHTS ===========



    36762 General lighting,  !- Name

    36762,                   !- Zone Name

    2235,                    !- Schedule Name

    LightingLevel,           !- Design Level Calculation Method

    411.25,                  !- Lighting Level {W}

    ,                        !- Watts per Zone Floor Area {W/m2}

    ,                        !- Watts per Person {W/person}

    0,                       !- Return Air Fraction

    0.42,                    !- Fraction Radiant

    0.18,                    !- Fraction Visible

    1,                       !- Fraction Replaceable

    ELECTRIC EQUIPMENT#36762#GeneralLights;  !- End-Use Subcategory



!-   ===========  ALL OBJECTS IN CLASS: DAYLIGHTING:CONTROLS ===========



    36762,                   !- Zone Name

    1,                       !- Total Daylighting Reference Points

    -3,                      !- X-Coordinate of First Reference Point {m}

    0,                       !- Y-Coordinate of First Reference Point {m}

    0.8,                     !- Z-Coordinate of First Reference Point {m}

    ,                        !- X-Coordinate of Second Reference Point {m}

    ,                        !- Y-Coordinate of Second Reference Point {m}

    0.8,                     !- Z-Coordinate of Second Reference Point {m}

    1,                       !- Fraction of Zone Controlled by First Reference Point

    ,                        !- Fraction of Zone Controlled by Second Reference Point

    300,                     !- Illuminance Setpoint at First Reference Point {lux}

    500,                     !- Illuminance Setpoint at Second Reference Point {lux}

    1,                       !- Lighting Control Type

    90,                      !- Glare Calculation Azimuth Angle of View Direction Clockwise from Zone y-Axis {deg}

    22,                      !- Maximum Allowable Discomfort Glare Index

    0.3,                     !- Minimum Input Power Fraction for Continuous Dimming Control

    0.2,                     !- Minimum Light Output Fraction for Continuous Dimming Control

    1,                       !- Number of Stepped Control Steps

    1;                       !- Probability Lighting will be Reset When Needed in Manual Stepped Control


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