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Last modified by Alexander Mott on 2024/01/05 18:55
From version 15.1
edited by Alexander Mott
on 2022/03/31 14:20
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To version 9.1
edited by Alexander Mott
on 2022/03/30 19:35
Change comment: There is no comment for this version

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10 10  
11 11  0-10V dimming is one of the most common dimming methods for LED fixtures. It utilizes a 0-10VDC signal from the lighting controller to the fixture power supply or driver in order to control the brightness of the fixtures. This 0-10VDC signal is typically carried over a shielded pair of gray (negative) and violet (positive) wires. In the event that 0-10V dimming fixtures are exhibiting unexpected dimming behavior, an easy place to begin troubleshooting is at the lighting control module.
12 12  
13 -== Verifying Module Output ==
13 +== General Procedure ==
14 14  
15 -Crestron produces a variety of 0-10V lighting controllers, and the specifics for troubleshooting them varies slightly. That being said, there is a general procedure for testing 0-10V dimming modules that is applicable to any type of 0-10V controller (even non-Crestron controllers). This general procedure is as follows:
15 +Crestron produces a variety of 0-10V lighting controllers, and the specifics for troubleshooting them varies slightly. That being said, there is a general procedure for testing 0-10V dimming modules that is applicable to any type of 0-10V controller (even non-Crestron controllers).
16 16  
17 +The general 0-10V troubleshooting procedure is as follows:
18 +
17 17  1. Identify the module and output that should be dimming the fixtures
18 18  1. Disconnect the 0-10V wiring to the fixtures
19 19  1. Connect a multimeter to the 0-10V dimming output of the module
20 20  1. Measure the 0-10V output at various brightness levels
21 -1*. If the system has been partially or fully commissioned, it may be possible to use the showrunner™ UI to adjust the brightness
23 +1*. If the system has been partially or fully commissioned, it may be possible to use the showrunner UI to adjust the brightness
22 22  1*. Alternatively, some modules have physical buttons that can be used to adjust their brightness:
23 23  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.
24 24  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)
25 -1. The 0-10V output should roughly correspond to the percentage brightness, e.g. a 60% bright output should be approximately 6V DC
26 -1*. Chief Integrations has recorded actual 0-10V outputs for a few different Crestron modules, available at the bottom of this article.
27 27  
28 28  Below is a table of how to interpret troubleshooting results:
29 29  
30 30  |(% style="width:209px" %)**Result**|(% style="width:321px" %)**Interpretation**|(% style="width:453px" %)**Next Steps**
31 -|(% style="width:209px" %)Module produces the expected 0-10V DC output while fixtures are disconnected.|(% style="width:321px" %)Module is not defective. The issue is likely with 0-10V wiring in the field or with LED fixture drivers.|(% style="width:453px" %)(((
32 -Proceed to troubleshooting the fixture wiring and fixture compatibility.
33 -)))
34 -|(% style="width:209px" %)Module does not produce a steady 0-10V signal while fixtures are disconnected.|(% style="width:321px" %)(((
35 -Module or control wiring may be defective.
36 -)))|(% style="width:453px" %)(((
37 -Disconnect the lighting controller from the processor and repeat the 0-10V troubleshooting procedure in order to eliminate the possibility of programming being the issue.
38 -
39 -* If the module still does not produce the expected output then it is defective and should be replaced.
40 -* If the module produces the correct output when disconnected from the processor, then the issue may lie with the programming or with the control wiring (Cresnet / Zūm wiring).
41 -)))
42 -
43 -== Verifying Fixture Wiring and Compatibility ==
44 -
45 -There are a number of wiring and hardware issues that may result in fixtures not behaving as expected. Described below are some techniques that can help determine issues with wiring or hardware, however due to the wide variety of available fixtures and drivers it is not comprehensive.
46 -
47 -1. Identify the module and output that should be controlling the fixtures
48 -1. Disconnect the 0-10V wiring to the fixtures
49 -1. Toggle the module output on and off to verify it is switching the correct zone
50 -1*. If the system has been partially or fully commissioned, it may be possible to use the showrunner™ UI to toggle the module output
51 -1*. Alternatively, some modules have physical buttons that can be used to toggle the output:
52 -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.
53 -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)
54 -1. Reconnect the 0-10V wiring to the fixtures
55 -1*. Verify that the positive and negative dimming wires are not crossed
56 -
57 -Below is a table of how to interpret troubleshooting results:
58 -
59 -|(% style="width:209px" %)**Result**|(% style="width:321px" %)**Interpretation**|(% style="width:453px" %)**Next Steps**
60 -|(% style="width:209px" %) |(% style="width:321px" %) |(% style="width:453px" %)(((
31 +|(% style="width:209px" %)Module produced the expected 0-10V DC output|(% style="width:321px" %)Module is not defective. The issue is likely with 0-10V wiring in the field or with LED fixture drivers.|(% style="width:453px" %)(((
61 61  Verify that the 0-10V wiring in the field is not shorted. Try shorting the 0-10V wiring to the fixtures and observe the result. The fixtures should dim to about 50% brightness.
62 62  
63 63  Verify that the 0-10V wiring is correct at the fixture drivers (e.g. that the positive and negative wires did not get mixed up).
64 64  
65 65  Verify that the fixture drivers are actually 0-10V drivers; if the drivers are DALI or some proprietary dimming protocol, then they are not compatible with 0-10V lighting controllers. Either the drivers will need to be replaced or the lighting control system will need to be replaced.
66 -
67 -(((
68 -
69 -
70 -
71 71  )))
72 -)))
73 -|(% style="width:209px" %) |(% style="width:321px" %)(((
74 -
38 +|(% style="width:209px" %)Module did not produce a steady 0-10V signal|(% style="width:321px" %)(((
39 +Module or control wiring may be defective.
75 75  )))|(% style="width:453px" %)(((
76 -
41 +Disconnect the lighting controller from the processor and repeat the 0-10V troubleshooting procedure in order to eliminate the possibility of programming being the issue.
77 77  
78 -
43 +* If the module still does not produce the expected output then it is defective and should be replaced.
44 +* If the module produces the correct output when disconnected from the processor, then the issue may lie with the programming or with the control wiring (Cresnet / Zūm wiring).
79 79  )))
80 80  
81 -== Specific Crestron Modules ==
47 +== Specific Modules ==
82 82  
83 83  The below sub-sections cover specific dimming procedures for various 0-10V controllers produced by Crestron.
84 84  
... ... @@ -145,21 +145,6 @@
145 145  The 0-10V outputs are split into the eight negative outputs and the eight positive outputs on the lower left of the module. A small screwdriver is required to disconnect the dimming to the fixtures.
146 146  
147 147  See //[[Figure 4>>WebHome||anchor="HFigure4"]]// for details.
148 -
149 -== Real World 0-10V Data ==
150 -
151 -Below is a table of actual 0-10V readings at various percentage brightness for some Crestron lighting controllers:
152 -
153 -|=Percentage Brightness|=GLPP-1DIMFLV2CN-PM Reading|=GLPAC-DIMFLV8 Reading|=GLXP-DIMFLV8 Reading
154 -|100%|9.94 V|10.03 V|10.00 V
155 -|80%|8.02 V|8.09 V|8.08 V
156 -|60%|5.96 V|6.13 V|6.11 V
157 -|50%|4.98 V|5.10 V|5.04 V
158 -|40%|4.01 V|4.06 V|4.02 V
159 -|20%|1.98 V|2.09 V|2.06 V
160 -|0%|27.1 mV|33.2 mV|25.4 mV
161 -
162 -
163 163  )))
164 164  
165 165  
... ... @@ -168,25 +168,25 @@
168 168  (% class="wikigeneratedid" id="HFigure1" %)
169 169  (((
170 170  [[[[image:zumlink.png]]>>attach:zumlink.png]]
171 -//Figure 1: ZUMLINK-JBOX-16A-LV 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]]//
122 +//Figure 1: ZUMLINK-JBOX-16A-LV Overview [[(larger)>>https://commons.wikimedia.org/wiki/File:Isle_of_Icacos_II.jpg]]//
172 172  )))
173 173  
174 174  (% class="wikigeneratedid" id="HFigure2" %)
175 175  (((
176 176  [[[[image:clx.png]]>>attach:clx.png]]
177 -//Figure 2: CLX-2DIMFLV8 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]]//
128 +//Figure 2: CLX-2DIMFLV8 Overview [[(larger)>>https://commons.wikimedia.org/wiki/File:Culebra_-_Playa_de_Flamenco.jpg]]//
178 178  )))
179 179  
180 180  (% class="wikigeneratedid" id="HFigure3" %)
181 181  (((
182 182  [[[[image:glpac.png]]>>attach:glpac.png]]
183 -//Figure 3: GLPAC-DIMFLV8 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]]//
134 +//Figure 3: GLPAC-DIMFLV8 Overview [[(larger)>>https://commons.wikimedia.org/wiki/File:Culebra_-_Playa_de_Flamenco.jpg]]//
184 184  )))
185 185  
186 186  (% class="wikigeneratedid" id="HFigure4" %)
187 187  (((
188 188  [[[[image:glxp.png]]>>attach:glxp.png]]
189 -//Figure 4: GLXP-DIMFLV8 Overview [[(larger)>>https://wiki.chiefintegrations.com/download/SHOWRUNNER%E2%84%A2%20Setup%20Guide/Troubleshooting%20Guide/Wiring%20and%20Hardware/0-10V%20Dimming%20Troubleshooting/WebHome/glxp.png?rev=1.1]]//
140 +//Figure 4: GLXP-DIMFLV8 Overview [[(larger)>>https://commons.wikimedia.org/wiki/File:Culebra_-_Playa_de_Flamenco.jpg]]//
190 190  )))
191 191  )))
192 192  )))
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