6445-001-k-n by Pacific Scientific

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The 6445-001-k-n is a two-phase bipolar chopper current regulated drive with up to 50,000 microsteps per revolution. Manufactured by Pacific Scientific in the 6410 Stepper Drives series, it has an internal cooling fan and 12 kB battery-backed RAM. It accepts 120/240 VAC, offers 16 inputs and 12 outputs, weighs 6 lbs and operates from 0 °C to 50 °C.

Technical Specifications

Bus Voltage (J6)
66 Vdc nominal

Control Inputs
Enable

Drive Circuit
Two-phase bipolar, chopper current regulated

Fault Output
NPN open-collector, 100 mA sink @16 Vdc

Full‑step Current
5.0 A rms

Fuse Type
5 A Slo‑Blo, 250 Vac

Input Current
5.0 A rms max

Input Voltage
120/240 Vac (+10%/−15%), 50/60 Hz, single-phase

Microstep Current
3.5 A rms

Operating Temperature
0 °C to 50 °C (full load)

Prog. Outputs
12 outputs, open‑collector, 100 mA sink @16 Vdc

Programmable Inputs
16 open‑collector logic inputs

Step Size
DIP switch selectable, 200 to 50,000 steps/rev

Storage Temperature
−40 °C to 70 °C

Weight
6 lbs

Click here for product datasheet

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