So I have this older big DC brushed servo motor, with no nameplate on it. It has an odd tachometer, that is driven with a gear off the back shaft. So how do I determine the motor voltage and current? It could easily be 90V, 172V or whatever?
ca
Lift the connector shells and look at the wire gauges go get a general idea of the current rating (Icont). Measure the winding resistance(R). Back drive the motor at a known speed (1750 rpm) to measure the back EMF (Kv = voltage generated/1.750). Question: Is the tach geared up? If so this may be for a very low speed operation.
PolyTech Forum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.