Spindle temperature control
- ianlowe
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23 Sep 2026 20:29 #349819
by ianlowe
Spindle temperature control was created by ianlowe
I have a Jianken 3.2kw spindle that has a NTC 103F3950 (10 kΩ, B=3950) thermistor and a Thermal fuse / PTC-type cutoff.
My controllers are Mesa 7i76e + 7i78 + 7i89.
How do I make use of these and connect them to my controllers.
My controllers are Mesa 7i76e + 7i78 + 7i89.
How do I make use of these and connect them to my controllers.
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- tommylight
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23 Sep 2026 21:06 #349820
by tommylight
Replied by tommylight on topic Spindle temperature control
Moved to "driver boards".
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I think 7i76 has 4 low resolution analog inputs, so maybe one of those could be used, but i never used it for temperature. I did use them for servo load from the drive, and it worked perfectly fine for my case.
Did not use other two so i can not dispense info.
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I think 7i76 has 4 low resolution analog inputs, so maybe one of those could be used, but i never used it for temperature. I did use them for servo load from the drive, and it worked perfectly fine for my case.
Did not use other two so i can not dispense info.
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- rodw
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23 Sep 2026 21:07 #349821
by rodw
Replied by rodw on topic Spindle temperature control
You could use one of the Mesa 7i76e's not very accurate analog voltage input pins and a 10k resistor to form a voltage divider. at 25 deg C, and 24 volt field power, the voltge will be 12 volts. You might need to scale this with lincurve or a custom component. Accuracy of +- 2 degrees due to 8 bit conversion is probably OK for this application.
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