Torque Re: Electro-craft/Reliance Electric E543 servo specs needed...

Jon,
Was this correct for the torque? Seems like with the Kt value 1-2amps
amp will put it to the max const torque even though its rated Imax is
much higher? -Lee

> > Max Cont. torque, 42.5 Oz-In; thermal R is 4.18 deg C/Watt

> > I have specs on the E-542. EC's model numbers seem to all be
> > even, so I think the odd numbers may indicate some customization
> > of the stock motor. Anyway, the E-542 is a basic PM motor,
> > 5" long, 2.88" across the brush caps. There are 4 winding
> > options, dash 01 through 04.
> >
> > Dash Kt Ke R Ohms L mH Imax
> > 01 15.30 11.33 2.26 4.87 20
> > 02 19.38 14.34 3.64 7.82 16
> > 03 24.46 18.13 5.82 12.42 12
> > 04 30.60 22.65 9.04 19.48 10
> >
> > Kt is Oz-In/Amp; Ke is volts/KRPM
> > Max Cont. torque, 42.5 Oz-In; thermal R is 4.18 deg C/Watt
> > Elect time const = 2.15 mS
> > Mech time const= 8.5 mS
> > I hope this helps.
> > Jon