I would very much appreciate some advise on this. I am a programmer by nature, so my electrical knowledge is basic. (They wil both be grounded to the same 230v.) And do I need to connect the ground from the laser power supply to the board? Since I will be using different power supplies for laser and board. Am I correct to assume that I can connect the E0- pin from E0 heater, set it to negated in software and use that to control the laser. The laser is triggered when it goes to 0v. And the board is controlling the intensity of the laser by user PWM on the laser fire line. The cohesion3d board seems to work by manually configuring the max power via a potentiometer connected to the Laser PWM (IN) 'this is not a real PWM' but just voltage control. The 2 lines that are left are L, (this is the laser fire) and ground. 2 of these connections supply power to the board (24v and 5v), we wont be needing them since I will be using a proper Meanwell power supply for the Duet. From this power supply only the 4 most right connections are connected to the stock board. I have attached a picture of the power supply that is being used in most of these lasers. But I am having some questions about how to connect the laser power supply. (But the Duet 2 is preferred due to the price.) After that I will look into compatibility with Lightburn and Laserweb software as these are the 2 preferred software choices.Ĭonnecting the stepper motors and sensors is something that I have done before, so I don't think there will be any problem there. And I have access to both the version 2 and 3 boards for testing. I have been working with the boards for about a month and I really like them. I would like to investigate if it is possible to replace the board by a Duet board. This board is a drop in replacement for the stock board. The go to board by default is a Cohesion3D board, but currently it is not available in Europe and shipping and import duties make the board quite expensive. The stock board is very limited regarding software compatibility and I would like to replace it. I have recently started modification of a Chinese K40 CO2 laser engraver/cutter.
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