... | @@ -50,7 +50,7 @@ Your modules will be mounted onto standardized rails which are 3U (~133mm) apart |
... | @@ -50,7 +50,7 @@ Your modules will be mounted onto standardized rails which are 3U (~133mm) apart |
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For the rails you will need three things (again the cheapest options we found):
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For the rails you will need three things (again the cheapest options we found):
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1. Rails ("trägerprofil") found [at reichelt](https://www.reichelt.de/Baugruppentraeger/BGT-GB-29L/3/index.html?ACTION=3&LA=446&ARTICLE=50387&GROUPID=7756&artnr=BGT+GB+29L&SEARCH=bgt) for 6,99 Euros per piece. You will need **two per row**! The rails are 431,8 mm or 85HP long.
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1. Rails ("trägerprofil") found [at reichelt](https://www.reichelt.de/Baugruppentraeger/BGT-GB-29L/3/index.html?ACTION=3&LA=446&ARTICLE=50387&GROUPID=7756&artnr=BGT+GB+29L&SEARCH=bgt) for 6,99 Euros per piece. You will need **two per row**! The rails are 431,8 mm or 85HP long.
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2. Within these rails you will need a threaded rod to screw in your modules. The cheapest option here is [a pack of four](https://www.reichelt.de/Baugruppentraeger/BGT-384-2/3/index.html?ACTION=3&LA=517&ARTICLE=50392&GROUPID=7756&trstct=lsbght_sldr::50387) found at reichelt. You will again need **two per row**. So maybe you could organize to buy one of those packs together if only one row is desired. The threads are M2.5
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2. Within these rails you will need a threaded rod to screw in your modules. The cheapest option here is [a pack of four](https://www.reichelt.de/Baugruppentraeger/BGT-384-2/3/index.html?ACTION=3&LA=517&ARTICLE=50392&GROUPID=7756&trstct=lsbght_sldr::50387) found at reichelt. You will again need **two per row**. So maybe you could organize to buy one of those packs together if only one row is desired. The threads are M2.5
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3. Screws with M2.5 and 10mm length to mount the individual modules. Note that many modules come with screws themselves those are however M3 and not M2,5! Reichelt sells [a pack with 200 pieces](https://www.reichelt.de/Zylinderkopfschrauben/SZK-M2-5X10-200/3/index.html?ACTION=3&LA=2&ARTICLE=65691&GROUPID=2753&artnr=SZK+M2%2C5X10-200&SEAR) for 2,55 Euros. If you are sure you will need less than 200 you could split these with a collegue.
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3. Screws with M2.5 and 10mm length to mount the individual modules. Note that many modules come with screws themselves those are however M3 and not M2,5! Reichelt sells [a pack with 200 pieces](https://www.reichelt.de/Zylinderkopfschrauben/SZK-M2-5X10-200/3/index.html?ACTION=3&LA=2&ARTICLE=65691&GROUPID=2753&artnr=SZK+M2%2C5X10-200&SEAR) for 2,55 Euros. If you are sure you will need less than 200 you could split these with a colleague.
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4. Screws to mount your rails to your case. You will need 2 screws per rail (or 4 screws per row). Use stainless steel M4 with 35mm length (stainless steel because they will potentially need to cut their own thread). A [pack of 100 pieces](https://www.reichelt.de/Flach-Senkkopf-Kreuzschlitz/SKS-E-M4X35-100/3/index.html?ACTION=3&LA=2&ARTICLE=130322&GROUPID=2755&artnr=SKS-E+M4X35-100&SEARCH=%252A) costs 9,95 at reichelt, so maybe one pack is enough for the whole course?
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4. Screws to mount your rails to your case. You will need 2 screws per rail (or 4 screws per row). Use stainless steel M4 with 35mm length (stainless steel because they will potentially need to cut their own thread). A [pack of 100 pieces](https://www.reichelt.de/Flach-Senkkopf-Kreuzschlitz/SKS-E-M4X35-100/3/index.html?ACTION=3&LA=2&ARTICLE=130322&GROUPID=2755&artnr=SKS-E+M4X35-100&SEARCH=%252A) costs 9,95 at reichelt, so maybe one pack is enough for the whole course?
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5. Blind Panels (["Teilfrontplatte"](https://www.reichelt.de/Baugruppentraeger/BGT-TFP-308/3/index.html?ACTION=3&LA=446&ARTICLE=34000&GROUPID=7756&artnr=BGT+TFP+308&SEARCH=tfp))
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5. Blind Panels (["Teilfrontplatte"](https://www.reichelt.de/Baugruppentraeger/BGT-TFP-308/3/index.html?ACTION=3&LA=446&ARTICLE=34000&GROUPID=7756&artnr=BGT+TFP+308&SEARCH=tfp))
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... | @@ -82,7 +82,7 @@ To connect your powerplug to the powersupply you will need 3 wires (dangerous 23 |
... | @@ -82,7 +82,7 @@ To connect your powerplug to the powersupply you will need 3 wires (dangerous 23 |
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![flat_con_sleeve](/uploads/920a6d4c0175f36f824fe3db74ab7c59/flat_con_sleeve.png)
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![flat_con_sleeve](/uploads/920a6d4c0175f36f824fe3db74ab7c59/flat_con_sleeve.png)
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The powersupply takes the 230V AC from the powergrid and converts this deadly voltage down to 4 voltage levels by dark magic. These resulting voltage levels are all DC: **+12V, -12V, 5V, and Ground/0V**. Ideally you would like to have a **star topology** which means: everything that is connected to each of these voltages meets at **one point**. This point are usually the powersupply's outlets.
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The powersupply takes the 230V AC from the powergrid and converts this deadly voltage down to 4 voltage levels by dark magic. These resulting voltage levels are all DC: **+12V, -12V, 5V, and Ground/0V**. Ideally you would like to have a **star topology** which means: everything that is connected to each of these voltages meets at **one point**. This point are usually the powersupplys outlets.
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You need two cables from powersupply to the bulb's socket (one from GND and one from 5V). One side drilled, one with flat socket connectors.
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You need two cables from powersupply to the bulb's socket (one from GND and one from 5V). One side drilled, one with flat socket connectors.
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