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Last modified by Alexander Mott on 2024/01/05 18:55
From version 22.1
edited by Alexander Mott
on 2022/04/26 21:44
Change comment: There is no comment for this version
To version 36.1
edited by Alexander Mott
on 2024/01/05 18:52
Change comment: Renamed back-links.

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1 -SHOWRUNNER™ Setup Guide.Troubleshooting Guide.WebHome
1 +SHOWRUNNER™ Setup Guide.Troubleshooting Guide.Hardware and Installation.WebHome
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1 -{{box title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
4 -
5 5  (% class="row" %)
6 6  (((
7 7  (% class="col-xs-12 col-sm-8" %)
8 8  (((
9 -= Overview =
10 -
11 11  Phase dimming is one of the most common dimming methods for LED fixtures. The term "phase dimming" actually encompasses several dimming technologies which all operate on the same basic principal of chopping up the AC voltage being delivered to the fixtures or drivers.
12 12  
13 13  Phase dimming can be broadly divided into two categories: forward phase dimming and reverse phase dimming. Forward phase dimming operates by cutting off the front (leading edge) of the AC sine wave, while reverse phase dimming cuts off the back (trailing edge) of the AC sine wave. See the [[real world data>>WebHome||anchor="HRealWorldPhaseDimmingData"]] below for an illustration.
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22 22  1. Disconnect the switch leg to the fixture
23 23  1. Connect a multimeter to the switch leg output of the module
24 24  1. Measure the V AC output at various brightness levels
25 -1*. If the system has been partially or fully commissioned, it may be possible to use the showrunner™ UI to adjust the brightness
19 +1*. If the system has been partially or fully commissioned, it may be possible to use the ShowRunnerCLC™ UI to adjust the brightness
26 26  1*. Alternatively, some modules have physical buttons that can be used to adjust their brightness:
27 27  1**. Press the button to toggle the output on or off. A small LED light on the module will indicate current output on/off status.
28 28  1**. Once the output is on, press and hold the button to cycle dim the output (first press and hold will lower the output, subsequent press and holds will toggle between raising and lowering the output)
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109 109  
110 110  (% class="col-xs-12 col-sm-4" %)
111 111  (((
106 +{{box title="**CONTENTS**"}}
107 +{{toc/}}
108 +{{/box}}
109 +
112 112  (% class="wikigeneratedid" id="HFigure1" %)
113 113  (((
114 -[[[[image:clx-2dimu8.png]]>>attach:zumlink.png]]
115 -//Figure 1: CLX-2DIMU8 Overview [[(larger)>>https://wiki.chiefintegrations.com/download/SHOWRUNNER%E2%84%A2%20Setup%20Guide/Troubleshooting%20Guide/Wiring%20and%20Hardware/0-10V%20Dimming%20Troubleshooting/WebHome/zumlink.png?rev=1.1]]//
112 +[[[[image:clx-2dimu8.png]]>>attach:clx-2dimu8.png]]
113 +//Figure 1: CLX-2DIMU8 Overview [[(larger)>>https://wiki.chiefintegrations.com/download/SHOWRUNNER%E2%84%A2%20Setup%20Guide/Troubleshooting%20Guide/Wiring%20and%20Hardware/Phase%20Dimming%20Troubleshooting/WebHome/clx-2dimu8.png?rev=1.1]]//
116 116  )))
117 117  
118 118  (% class="wikigeneratedid" id="HFigure2" %)
119 119  (((
120 -[[[[image:gl-exp-dimu-cn.png]]>>attach:clx.png]]
121 -//Figure 2: GL-EXP-DIMU-CN Overview [[(larger)>>https://wiki.chiefintegrations.com/download/SHOWRUNNER%E2%84%A2%20Setup%20Guide/Troubleshooting%20Guide/Wiring%20and%20Hardware/0-10V%20Dimming%20Troubleshooting/WebHome/clx.png?rev=1.1]]//
118 +[[[[image:gl-exp-dimu-cn.png]]>>attach:gl-exp-dimu-cn.png]]
119 +//Figure 2: GL-EXP-DIMU-CN Overview [[(larger)>>https://wiki.chiefintegrations.com/download/SHOWRUNNER%E2%84%A2%20Setup%20Guide/Troubleshooting%20Guide/Wiring%20and%20Hardware/Phase%20Dimming%20Troubleshooting/WebHome/gl-exp-dimu-cn.png?rev=1.1]]//
122 122  )))
123 123  
124 124  (% class="wikigeneratedid" id="HFigure3" %)
125 125  (((
126 -[[[[image:din-1dimu4.png]]>>attach:glpac.png]]
127 -//Figure 3: DIN-1DIMU4 Overview [[(larger)>>https://wiki.chiefintegrations.com/download/SHOWRUNNER%E2%84%A2%20Setup%20Guide/Troubleshooting%20Guide/Wiring%20and%20Hardware/0-10V%20Dimming%20Troubleshooting/WebHome/glpac.png?rev=1.2]]//
124 +[[[[image:din-1dimu4.png]]>>attach:din-1dimu4.png]]
125 +//Figure 3: DIN-1DIMU4 Overview [[(larger)>>https://wiki.chiefintegrations.com/download/SHOWRUNNER%E2%84%A2%20Setup%20Guide/Troubleshooting%20Guide/Wiring%20and%20Hardware/Phase%20Dimming%20Troubleshooting/WebHome/din-1dimu4.png?rev=1.1]]//
128 128  )))
129 129  )))
130 130  )))
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