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Check the integrity of the galvo motors with an oscilloscope 2. Please enter a valid ZIP Code. Do the Gs have removable mirror mounts? Cupertino, California, United States. Your post confirms my suspicions. I have hit dead ends at every turn trying to locate this machine. Results 1 to 10 of

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People who viewed this item also viewed. That is the tuning for the closed loop position sensor and proportional, integral, derivative loop, for one galvo. See that gso of four potentiometers labeled integrator gain, damping, sensor offset, servo gain Nor do they all have the high grade bearings for tasks like Confocal Microscopy The boards are identical, but about 10 cheap components get changed to configure them.

Hopefully I can find a use for them Cupertino, California, United States. Gis galvo gets fed very clean 12V that is current limited to run the feedback.

The connector diagram was for the x2. For my testing, I had disconnected this board and matched the gavo pins via the Laser Light show reference guide the colors were good enough to match to the right pins, but I wanted to double check the pins and everything.


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Learn more – opens in a new window or tab. Do the Gs have removable mirror mounts? I used them a few years ago. Delivery gssi is estimated using our proprietary method which is based on the buyer’s proximity to the item location, the shipping service selected, the seller’s shipping galvoo, and other factors. Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc.

GSI Lumonics Laser Galvo Scanner w/ Lumisys Galvo Driver & a Optical Lens | eBay

Do not rush out to buy them ga,vo yet. Basically this was being used to direct a HeNe laser beam in a specialized scanner.

You gs perhaps best off to put a oscilloscope if you have one across the g feedback signals and input a square wave for the initial tuning. These pins generally just carry drive current and some feedback information, but without the matching driver they could be hard to get to work.

I look forward to your information in the morning. Mouse over to Zoom – Click to enlarge. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab.

converting galvos and pin assignments

I should have rented the space under my name for advertising. See all condition definitions talvo opens in a new window or tab If the coils exceeded 1.


This item will be shipped through the Global Shipping Program and includes international tracking. Worked fine and kept the room warm. It looks using the factory board is going to be the most practical path at this point.

I have a showcard with a lot of patterns I really like, but the old galvos they went to have a vastly different pin layout. Just now I have no idea what’s what. Other offers may also be available.

Help driving GSI DT Galvo motors

Mouse over to Zoom – Click to enlarge. This item may be a floor model or store return that has been used.

The more modern galvos output two very weak voltages from two or more photocells that look at light passing through a mask or off a mirror on the shaft. Tech support at ThorLabs suggested the connection of the position sensor power to the oscillator supply voltage white.