6410 Pacific Scientific
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The Pacific Scientific 6410 is a stepper drive from the 6410 Stepper Drives series featuring a two-phase bipolar chopper drive circuit and operates with a chopper frequency of 20 kHz. It supports a maximum output current of 5.0 A RMS, a supply voltage range of 24 to 75 VDC, and a maximum resolution of 51200 steps per revolution. The drive has a maximum ambient temperature of 50°C and a peak phase current of 7.1 A.
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Product Description:
The 6410 is a stepper motor drive manufactured by Pacific Scientific within the 6410 Stepper Drives series. It is intended for closed-loop or open-loop motion control, translating digital step commands into regulated phase currents that position hybrid or permanent-magnet stepper motors used in pick-and-place heads, indexing tables, and small gantry axes. By combining micro-stepping capability with a two-phase bipolar chopper circuit, the unit permits fine positioning while limiting motor heating and audible noise in general-purpose automation.
The internal chopper operates at 20 kHz, a frequency high enough to minimize current ripple and reduce electromagnetic interference on adjacent control wiring. Maximum micro-step density reaches 51200 steps/rev, allowing sub-arc-minute resolution on a 200-step motor without mechanical gear reduction. When the external controller issues rapid trajectory segments, the drive can accept pulse streams up to 2 MHz, so system speed is not limited by interface bandwidth. Output stage current is adjustable from 5.0 A RMS down to 0.625 A RMS, letting a single drive support NEMA-17 through NEMA-34 frames. For quick acceleration bursts, each phase can momentarily draw 7.1 A, enabling higher torque without thermal runaway when used within the stated duty cycle. An optically isolated step/direction input and a 0.5 V logic-low threshold protect upstream PLC or motion card outputs from ground loops.
The supply bus may be sourced anywhere between 24 Vdc and 75 Vdc, allowing the same drive to be powered from compact 24 V cabinets or higher-voltage supplies that improve high-speed torque. A minimum ramp time of 50 ms prevents abrupt current transitions that could excite structural resonance in lightweight mechanisms. Continuous operation is specified for ambient temperatures up to 50 °C, while the chassis itself may reach 60 °C provided panel airflow is adequate. With a 5.0 A supply demand during full-load motion, power sources and wiring can be sized with predictable margins.
Frequently Asked Questions about 6410:
Q: What supply voltage range does the 6410 stepper drive support?
A: The Pacific Scientific 6410 stepper drive supports a supply voltage range from 24 Vdc to 75 Vdc.
Q: What is the maximum output current of the 6410 stepper drive?
A: The maximum output current provided by this drive is 5.0 A RMS.
Q: What is the maximum resolution available on the Pacific Scientific 6410?
A: The highest resolution achievable with the 6410 is 51200 steps per revolution in binary mode.
Q: What is the maximum step rate supported by the 6410?
A: The step rate can reach up to 2 MHz, which allows for rapid step input processing.
Q: What is the maximum ambient temperature rating for the 6410 drive?
A: The 6410 stepper drive can operate in environments with ambient temperatures up to 50 °C.
