Resistor specifications(linear motors, Resistor specifications, Linear motors – Parker Hannifin 88-021610-01G User Manual
Page 187: Resistor specifications ⎯ linear motors
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Parker Hannifin
Appendix B External Power-Dump Resistor Selection 187
Resistor Specifications
⎯Linear Motors
It is possible to overload an Aries drive or the combination of
(
)
v
M
M
t
k
V
I
V
R
L
F
D
F
TRIP
R
⋅
+
⋅
⋅
=
=
Where
R
R
= maximum external power dump resistance (Ohms)
V
=
voltage across the resistor (V
TRIP
)
I
=
current through the resistor (drive current required to decelerate
the load)(Amps
rms
)
V
TRIP
= power dump trip DC voltage (400 volts for Aries drives)
k
F
=
motor force constant (N/Amp
rms
)
M
F
= mass of forcer in kilograms (kg)
M
L
= load mass in kilograms (kg)
t
D
=
deceleration time (Seconds)
v
=
velocity in meters per second (m/s)
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