K40 Power Supply Wiring Diagram

K40 s laser power supply control take 2 k40 laser power supply lps control.
K40 power supply wiring diagram. The right 2 are ac power 220 or 120v and pin 2 is earth ground all as expected. On some psus the h l and wp is a separate connector block as are g in and 5v while the most common k40 psu uses one screw terminal strip. I have been following a lot of user lately which machines just stopped working or had other electrical problems and they all have one issue in common the psu. The current control is of course tied to the 0v in 5v connector.
We offer these laser tube power supplies in 110v and 220v varieties. To effectively test repair replace and convert k40 lps it is necessary to know that kind of supply you have. K40 lps configuration and wiring. Or buy jst 2 5 xh connectors from aliexpress or ebay to make it look a bit nicer.
Wiring harnesses in these units is about as varied as the rest of the machine so great care needs to be taken to go through the wiring and make sure there are no bad terminations loose lugs screws grounding issues etc these machines can be hazardous as far as the ac power and the high voltage power supply. A simple diagram showing how to connect to the lps pwm from a smoothie 5x. Has a cooling fan for longevity. Absolutely excellent power supply for your k40 40w co2 laser.
Here you will see an introduction to our 40 watt laser power supply. Understanding k40 laser power supply configurations. Upgrading the psu before use will stop the psu problems if the tube goes bad or the rectifier burns to. From this laser power supply strip only the in connection is modified the rest just stays as is in the k40.
The test switch is a momentary switch and is wired to k and k on the power supply that s shown in the picture. This plus a new tube from the same manufacturer and the laser cuts through wood at half the power the oem tube did. While on the ground subject there s another odd thing done in the k40 s power supply connection arrangement. Great quality and 1000 better than the oem supply.
You ll notice the ac mains connection the far left connector always green so far has 4 connections. Replace the potentiometer in the panel and make a hole for the voltmeter or just let it sit on top of the panel if you have the newer style psu with white connectors for 5v gnd and in splice the cable on the old connector. One person found this helpful. Beginners guide to the k40.
During my journey to convert my k40 to smoothie control i and many others have been frustrated trying to find a reliable. Replace the old cables on the power supply with the new 300mm cables you just made. It s pin 1 you have to watch out for. This section attempts to identify and categorize the lps i have encountered.