SC402-024-T2 Pacific Scientific
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The SC402-024-T2 servo drive is part of the SC400 Servo Drives series by Pacific Scientific and features an input voltage of 115 or 230 VAC with corresponding bus voltages of 160 VDC and 320 VDC. It provides a continuous output current of 3.50 amps, a peak output current of 7.0 amps, and a peak output power of 2000 watts at 230 VAC. The unit supports an output ripple frequency of 20 kHz, current loop bandwidth up to 3 kHz, and is 2.8 inches wide.
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Product Description:
The SC402-024-T2 is a single-axis servo drive produced by Pacific Scientific and offered within the SC400 Servo Drives series. In a closed-loop motion system, the unit bridges a PLC or analog velocity reference and a brushless servomotor, translating line power into regulated armature current so that speed and torque follow commanded values. By integrating current regulation, velocity feedback, and protective diagnostics into a 2.8-inch-wide chassis, the drive suits compact machine tools, material-handling axes, and other automation tasks that demand precise current control.
The drive accepts a switch-selectable 115 or 230 VAC mains input and rectifies it to 160 VDC or 320 VDC on the internal bus. Within that range, it can deliver a continuous output of 3.50 A, and it supports transient demands up to 7.0 A for rapid acceleration. A current loop bandwidth of 3 kHz limits phase delay between the reference and measured motor current, maintaining stiffness when load inertia varies. The auxiliary ±12 VDC supply can source 10 mA for external electronics, while a current monitor terminal provides 0.63 V per ampere so that real-time load can be observed. A fault transistor rated at 30 VDC and 25 mA sinks to ground whenever an over-temperature, over-current, or loss of feedback event occurs.
Velocity control is referenced through a ±10 V analog command, and the input presents a minimum impedance of 50 kΩ, reducing the burden on upstream motion controllers. Internally generated PWM switching operates at 20 kHz, pushing the electrical ripple frequency above the audible range and minimizing motor noise. When powered from 230 VAC, the drive can transfer up to 2000 W of peak mechanical power to the connected servomotor. Designers can correlate speed feedback with the 1.0 V per krpm tachometer gradient and integrate safety relays with the fault output without additional buffers. The narrow profile simplifies multi-axis panel layouts where space is limited.
Frequently Asked Questions about SC402-024-T2:
Q: What is the continuous output current of the SC402-024-T2 servo drive?
A: The SC402-024-T2 features a continuous output current rating of 3.50 A.
Q: What are the available bus voltages for the SC402-024-T2 depending on input voltage?
A: This drive supports a bus voltage of 160 VDC when supplied with 115 VAC and 320 VDC with 230 VAC input.
Q: What is the maximum peak output power of the SC402-024-T2 at 230 VAC?
A: The SC402-024-T2 can provide a peak output power of up to 2000 W when operating at 230 VAC.
Q: What is the acceptable velocity input command range for the SC402-024-T2?
A: Velocity input commands are accepted in the range of ±10 V for this model.
Q: What is the current loop bandwidth specification for the SC402-024-T2?
A: The SC402-024-T2 servo drive features a current loop bandwidth of up to 3 kHz.
