Applied-motion STM17C-3CE Manual de usuario descargar pdf (Pagina 10)

Current Selection

e maximum supply currents required by the STM17 are shown in the charts below at dierent power supply voltage

inputs. e STM17 power supply current is lower than the winding currents because it uses switching ampliers to con-

vert a high voltage and low current into lower voltage and higher current. e more the power supply voltage exceeds

the motor voltage, the less current will be required from the power supply.

It is important to note that the current draw is signicantly dierent at higher speeds depending on the torque load to

the motor. Estimating how much current is necessary may require a good analysis of the load the motor will encounter.

Note: all curves were measured at 20,000 steps/rev, 1.8A motor current, maximum torque load

0.6

0.8

1.0

1.2

u

pply Current A)

STM17X-1

12V 24V 48V

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0 10 20 30 40 50

Max Supply Current (A)

rps

STM17X-1

12V 24V 48V

10

STM17 Hardware Manual

920-0034 rev A

9/30/2010

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 30 31

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