7.2A PST8072 Stepper Driver

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Electrical Specifications:

• Output Current: 7.2V (6.0 RMS)
• Supply Voltage +75
• Logic signal currant: 16
• Pulse input requency: 200 kHz
• Isolation Resistance: 500 MŽ©

Fuction Description:

• Microstep Setting: Microstep resolution is programmable. When not in software configured mode,microstep resulution is set by SW5,6,7,8 of the DIP switch in order to avoidlosing steps, do not change the microstep resulution on the fly.
• Currant Setting: Output currant is programmable. When not in software confiqured mode, operating current is set by SW1,2,3 of the DIP switch, Witch is Up to 7.2V
• Automatci Standstill Current Reduction: SW4 is used for the automatic standstill current reduction, self-test and auto-setup. When the former active, the current will be automatically reduced to 60% of the selected operating current 0.4 second after the last pulse. Theoretically, this wil reduce motor heating to 36% (due to P=I²*R) of the original value.
• Self-test and Auto-setup:If the user changes the status/position of SW4 twice in 1 second, the drive wil self-test the driving motor and usto setup control parameters, offering optimum performance with different motors.
• Control Signals: PUL+ and PUL- are for the pulse command signal. DIR+ and DIR- are for the direction control signal . ENA+ and ENA are for the enable/disable control
• Motor Connector: A+, A- and B+, B- are for motor connections, Exchanging the connection of two wires for a coil to the drive wil reverse default motion diection.
• Power Connector:Recommended to use power supplies with output of +24 to 75VDC, leaving space for power fluctionation and back-EMF.