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Electronics_Case_Wiring_Diagram/README.md
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@ -119,9 +119,9 @@ The BTT's V1.2 are relays that are normally opened (NO) so when I added my addit
I also want the capability to use momentary switches on the left-hand side and right-hand side of my printer to power up or down the Voron 2.4. These momentary switches are active low and are hardwired directly into the relays so that software is not needed to control them. I call these my "hardware reboot switches". These switches will only reboot the Voron 2.4 (not the Raspberry Pi). The switch that is on the back of the Voron 2.4 will reboot both the Raspberry Pi and the Voron 2.4 printer. I will also mount a "mini Red push button (momentary switch)" to one of the keyholes on the Voron 2.4 skirt which allows me to reboot the Voron 2.4 printer via the BTT's V1.2 relay modules.
Since I want the Raspberry Pi to be "alway ON" I need to buy another 5V power supply. I decided to remove the UHP-200-12 PSU and replace that unit with a PSU that is two PSU in one unit. I bought a Meanwell RD-50A PSU which has a 5VDC PSU (@ 6 Amps) and 12VdC PSU (@ 2Amps) in one metal box. Since the Stealthburner has been realeased as a beta, I have added it to my Voron 2.4 printer and ended up switching all my LEDs from 12VDC to 5VDC. I will be using Adafruit Neopixels LEDs only and they only work at 5 Volts. So I down sized my 12V supply and doubled my 5V power supply.
Since I want the Raspberry Pi to be "alway ON", I need to buy another 5V power supply. I decided to remove the UHP-200-12 PSU and replace that unit with a PSU that is two PSUs in one unit. I bought a Meanwell RD-50A PSU which has a 5VDC PSU (@ 6 Amps) and 12VDC PSU (@ 2Amps) in one metal box. Since the Stealthburner has been realeased as a beta, I have added it to my Voron 2.4 printer and ended up switching all my LEDs from 12VDC to 5VDC. I will be using Adafruit Neopixels LEDs only and they only work at 5 Volts. So I down sized my 12V supply and doubled my 5V power supply.
The Meanwell RS-25-5 will be the power supply that always remains on and is attached to the external UPS [APC 1500VA UPS Battery Backup and Surge Protector, BX1500M Power Supply](https://www.amazon.com/gp/product/B06VY6FXMM) along with Voron 2.4 printer. I am using a "BIG RED" button or mushroom button between the APC UPS unit and the power input (filtered power inlet) for the Voron 2.4 printer. I have added this for saftey reasons. The mushroom box assembly will have a long power cord so I can place it whereever I want. I also have smoke detector located above the 3D printer.
The Meanwell RS-25-5 will be the power supply that always remains on and is attached to the external UPS [APC 1500VA UPS Battery Backup and Surge Protector, BX1500M Power Supply](https://www.amazon.com/gp/product/B06VY6FXMM) along with Voron 2.4 printer. I am using a "BIG RED" button or mushroom button between the APC UPS unit and the power input (filtered power inlet) for the Voron 2.4 printer. I have added this for saftey reasons. The mushroom box assembly will have a long power cord so I can place it where ever I want. I also have smoke detector located above the 3D printer.
In my AC wiring diagram you will see things like "grounding straps" and "Ferrite core filters". These are present to help reduce cross talk.
@ -129,7 +129,7 @@ Logically I have 5 power supplies, two 5V PSU, one 12V PSU, one 24V PSU and one
In the AC electrical wiring diagram some of the lines are thicker than the others. I did this on purpose so that you will automatically recognize the AC lines from the DC lines. The AC lines are thicker and are distributed using UK2.5 terminal blocks (or Dinkle DK4N termainal blocks). The DC lines are thin and use WAGO nuts for distrubution blocks.
Since the Raspberry Pi is a 3.3V logic device, I use [3.6V Zener Diodes](https://www.amazon.com/Chanzon-34-Values-Zener-Assorted/dp/B07BTWBXJ3) for over voltage protection on the Raspberry Pi's GPIO lines when using a 5VDC power supply for the 4-channel relay module to activate the relay's coils.
Since the Raspberry Pi is a 3.3V logic device, I use [3.6V Zener Diodes](https://www.amazon.com/Chanzon-34-Values-Zener-Assorted/dp/B07BTWBXJ3) for over voltage protection on the Raspberry Pi's GPIO lines when using a 5VDC power supply for the 4-channel relay module to activate the relay's coils. Even tho my AC wiring diagram shows I will be using a 4-channel relay module, I might only install a one channel relay module. The resons for going to one channel is that I do not need a 4-channel relay module and I have other one channel relay modules in a drawer.
Below you will find the JPG and the PDF files for the "Voron 2.4 AC Electrical Wiring Diagram".