Thread: Sprint 400 driver board
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08-12-2021 #1
Hello
Can someone help me with the wiring of a Sprint 400 driver board. The manual is here
https://www.sprint-electric.com/wp-c...0_1200-web.pdf
I want to connect it to the spindle on my Denford Micromill. The datasheet gives 4 outputs, two as "armature" and two as "field". I have to admit that I don't really know what these mean or how to identify the four on the spindle. However, when I apply mains power to the board, there is 0V on the "armature" pair, and 200V DC on the "field" pair. If I connect the 10V reference on pin 1 to the input on pin 3, nothing changes. What I need is for the DC output to go from 0 to 90V (the spindle maximum). Would appreciate some guidance
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