PCE843-001-F Pacific Scientific
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The Pacific Scientific PCE843-001-F is a servo drive from the PC800 - PCE800 Brushless Servo Drives series. It features a continuous output current of 3.75 ARMS and a maximum peak output current of 10.6 Amps. This model supports SERCOS command interface and delivers a power stage efficiency of 97 percent at continuous power.
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Product Description:
The PCE843-001-F servo drive is produced by Pacific Scientific as part of the PC800-PCE800 Brushless Servo Drives series. It functions as the power-conversion and control stage between an industrial controller and a brushless motor, supplying regulated three-phase current while exchanging motion commands with higher-level automation equipment. Within automated assembly cells, packaging machinery, and gantry axes, the unit delivers velocity and position control to maintain repeatable throughput.
Motion data reach the drive through the SERCOS Option interface, allowing deterministic fiber-optic communication with PLCs. During continuous operation, the power stage supplies up to 3.75 ARMS of output current, corresponding to a sustained mechanical output of 2.6 kW when it is powered from a 480 V AC bus. Conversion losses are limited because the power stage runs at an efficiency of 97%, so only minimal panel cooling is required. At that same load, the incoming line current remains at 5.1 ARMS, which eases circuit-breaker sizing, and the drive maintains its 16 kHz ripple frequency to keep torque ripple low. The internal resolver decoder delivers 24-bit position feedback per revolution for smooth interpolation.
Transient events are handled by the current limit, which permits 10.6 A peak for acceleration bursts and supports a short-term electrical output of 6.4 kW. The connected motor may be installed up to 50 m away without degrading the control bandwidth, and windings with inductance between 5 mH and 5 H are accepted, giving flexibility in motor selection. Excess regenerative energy is dissipated by the onboard shunt circuit that connects to a 66 Ω braking resistor rated at 200 W, while the regulator can momentarily absorb 10 kW. Peak energy is buffered by the power section's DC link during rapid load reversals in indexing tables and pick-and-place actuators.
Frequently Asked Questions about PCE843-001-F:
Q: What type of command interface is supported by the PCE843-001-F servo drive?
A: The PCE843-001-F drive uses a SERCOS option for its command interface.
Q: What is the continuous output current of the PCE843-001-F drive?
A: This servo drive has a continuous output current rating of 3.75 ARMS.
Q: What is the continuous output power for the PCE843-001-F when supplied with 480 Vac?
A: The PCE843-001-F achieves a continuous output power of 2.6 kW when powered at 480 Vac.
Q: What is the maximum motor cable length supported by the PCE843-001-F?
A: This model allows a maximum motor cable length of 50 meters.
Q: What is the resolver position resolution of the PCE843-001-F servo drive?
A: The resolver position resolution on this drive is 24 bits per revolution.
