THIS IS UNTESTED CURRENTLY – DO NOT PUT THIS INTO USE WITHOUT VETTING THE INFORMATION YOURSELF!
We purchased a BCS100 fiber laser amplifier despite it not having a documented pinout so we can connect it up to LinuxCNC and use it for height control on a DIY fiber laser build. So far here’s our best guess at an electrical schematic:
![](https://chrismeyer.org/wordpress/wp-content/uploads/2021/12/Guess.png)
Based on some preliminary tests:
![](https://chrismeyer.org/wordpress/wp-content/uploads/2021/12/Electrical-Measurements-1024x710.png)