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Rms current and peak current

For the stepper motor drives belonging to the xS10, DS30 and DS5x series the phase current is expressed in Arms, i.e. effective current. Instead, other manufacturers characterize their products indicating the peak current (sometimes also referred to as maximum current- Imax) and this does not allow to get the maximum torque from the motor.

The rms value of a sinusoidal current is equivalent to 1,41 times the peak current (about 40% more) therefore, for example, a drive used in microstepping and calibrated for a phase current amounting to 5Arms is equivalent to a drive by 7,05A of peak.

Additional Tips
I/O Conditioning
Each I/O line of the DS10, LS10 and OS10 series stepper motor drives can be configured to operate with direct logic or negate, and it is also possible to force the input to be always active or always inactive.

For example, the direction can be»read more

Univocal indication for each anomaly
In the stepper motor drives belonging to the xS10, DS30 and DS5x series has been developped a special technique that allows to provide an univocal indication for each malfunction condition detected by the drive.

If the failure conditions are more»read more

Free UDP Commander
The configuration, programming and diagnostics UDP Commander software is free!»read more
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Low-cost stepper drives
The LS10 and OS10 series stepper motor drives are particularly inexpensive and a good choice for applications with high volumes.»read more