PC833-XYZ-N Pacific Scientific
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The Pacific Scientific PC833-XYZ-N is a servo drive from the PC800 - PCE800 Brushless Servo Drives series. It provides continuous output power of 1.5 kW at 240V three-phase with a peak output power of 4.5 kW and peak output current of 15 A. The drive features command interfaces including RS-232/485 and ±10 Vdc, and it weighs 2 kg.
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Product Description:
The PC833-XYZ-N servo drive is produced by Pacific Scientific within the PC800 – PCE800 Brushless Servo Drives series. Designed as a three-phase amplifier, it converts mains power into controlled DC and AC outputs so that brushless servo motors can follow commanded motion profiles in industrial assembly lines, packaging equipment, and robotics. By regulating phase current and voltage, the unit forms the link between a motion controller and the electromechanical load.
Under a 240 V three-phase supply, the drive delivers a continuous shaft power of 1.5 kW, supported by a steady-state current of 3.6 A. During acceleration or disturbance rejection, it can source 15 A peak, boosting mechanical output to 4.5 kW for short intervals while the internal bus capacitors can absorb 30 J of regenerated energy. The power stage runs at 98% efficiency, keeping thermal losses low and limiting cabinet heat rise. RMS line demand stays at 6 A during nominal operation, and excess kinetic energy is dumped into the built-in shunt rated for 12.8 kW peak.
Control fidelity is aided by a current loop update of 62.5 µs, while the switching network imposes a 20 kHz ripple frequency that keeps motor torque ripple low. The peak RMS phase capacity of 10.6 A indicates the sustained surge level before thermal foldback engages. Feedback or command data can be accepted over RS-232/485, ±10 V analog, step-and-direction pulses, or internal indexing, allowing tight integration with PLCs and PC motion cards. Motor selection is bounded by a minimum inductance of 2.0 mH and a maximum of 2 H, and cable runs up to 50 m are permissible without exceeding electromagnetic compatibility limits. The assembly weighs 2 kg, permitting simple panel mounting.
Frequently Asked Questions about PC833-XYZ-N:
Q: What is the bus energy absorption capability of the PC833-XYZ-N servo drive?
A: The PC833-XYZ-N can absorb up to 30 joules of bus energy.
Q: Which command interfaces are available on the PC833-XYZ-N drive?
A: This servo drive supports RS-232/485, +/-10 Vdc, Step/Dir., and Indexing command interfaces.
Q: What is the continuous output power rating of the PC833-XYZ-N at 240V 3-phase?
A: The continuous output power of the PC833-XYZ-N at 240V 3-phase is 1.5 kW.
Q: What is the current loop update rate for the PC833-XYZ-N?
A: The current loop update time for this model is 62.5 microseconds.
Q: What is the maximum motor cable length supported by the PC833-XYZ-N?
A: The maximum allowable motor cable length for this unit is 50 meters.
