In today's video, I provide an overview of my strategy for wiring the electronics in this DIY CNC build. Emphasizing safety, I discuss the importance of adhering to regulations in your area and stress the necessity of having a qualified electrician inspect and approve your wiring. I describe the routing of my mains input, highlighting its passage through an emergency stop, a 2gang selector switch, and two separate fuses. Circuit one powers the VFD, while circuit two handles the rest of the electronics.

Additionally, I explain how to calculate the power supply wattage required for your NEMA motor setup using the formula provided by Stepper Online. The subsequent segment covers the wiring of both the 24V and 36V power supplies, followed by a detailed explanation of connecting CL57T Stepper Drivers to Closed Loop NEMA 23 Stepper motors. I illustrate how to identify motor and encoded wire pins based on wire colors and guide the viewer through connecting them to the driver. Demonstrating the connection of Pulse and Direction pins to the Mach 3 Breakout Board, I delve into a thorough discussion of the board's 5V and 24V sections.

A desktop demonstration showcases the control of the NEMA motor via Mach 3 software. Subsequently, I guide viewers on setting up and configuring Mach 3 on a Windows PC, making the process straightforward by providing instructions for pasting in the necessary files as detailed in the video.

The final section focuses on connecting a NPN NO proximity sensor to the Mach 3 Breakout Board, illustrating its functionality in detecting a surface within the Mach3 software.

00:00 Intro
00:50 Disclaimer You are responsible for your own wiring.
02:23 Elecrical Layout Overview
12:28 NEMA Power Supply Calculations
16:40 Using the correct wire
19:00 Proximity Switches and Component Arrangement
22:27 Wiring up and testing the Power Supplies
34:14 CL57T Driver Overview
39:02 Determining which colour wires go to which pins
47:28 Mach3 Breakout Board Overview
52:22 Wiring the CL57T Driver to the Mach3 Breakout Board
1:00:20 Testing The Drivers and Motors in Mach3
1:09:42 Download, Install and Setup of Mach3
1:13:39 Wiring the NPN NO Proximity Switch to the Mach3 Breakout Board
1:18:41 Testing the Proximity Switch in Mach3
1:20:21 Closing Thoughts & Outro

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▶▶ Watch the whole series of videos:

▶ Part 1:    • DIY CNC 001   Introduction  
▶ Part 2:    • DIY CNC 002  Specification & Hardware  
▶ Part 3:    • DIY CNC 003  Tools for Machining Alu...  
▶ Part 4:    • DIY CNC 004  Drilling, Counterboring...  
▶ Part 5:    • DIY CNC 005  YAxis Frame Assembly  
▶ Part 6:    • DIY CNC 006  Gantry Assembly and Bra...  
▶ Part 7:    • DIY CNC 007  ZAxis Assembly  
▶ Part 8:    • DIY CNC 008   Linear Rail Installation  
▶ Part 9:    • DIY CNC 009  Surface Board, Spindle ...  
▶ Part 10:    • DIY CNC 010  Closed Loop NEMA Wiring...  
▶ Part 11:    • DIY CNC 011  VFD and Spindle Test  
▶ Part 12:    • DIY CNC 012  Electrical Control Box  
▶ Part 13:    • DIY CNC 013  Configuration & Basic T...  
▶ Part 14:    • DIY CNC 014  Motor Tuning, Squarenes...