S21260-VTS Kollmorgen
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The Kollmorgen S21260-VTS is part of the S200 Servo Drives series and operates at a voltage rating of 120 or 240 VAC for all currents. This servo drive features a continuous current rating of 12 ARMS and a peak current of 30 ARMS, with a continuous output power of 4000 W at 240 Vac 3-phase. Its overall dimensions are 178.8 mm in height, 76.1 mm in width, and 150.5 mm in depth.
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Product Description:
The S21260-VTS is a servo drive from Kollmorgen’s S200 Servo Drives series. It regulates three-phase power for brushless servomotors and receives velocity or torque commands from upstream controllers. In automated lines, it converts AC mains into a controlled DC bus for precise rotary or linear axis motion. This makes it suitable for applications that need stable speed control, repeatable positioning, and responsive torque delivery.
The drive operates from 120 or 240 VAC, and at the higher input its DC bus stabilizes at 320 VDC. Continuous output reaches 4000 W on a 240 VAC three-phase supply, while short bursts up to 10000 VA support acceleration demand. Current delivery reaches 12 ARMS continuous and 30 ARMS peak, with peak current available for 3.0 seconds. A switching frequency of 16 kHz helps limit torque ripple during operation. Undervoltage protection trips if the bus falls to 150 VDC. Velocity or torque mode can be selected for the application, and the control loop supports motor inductances across a wide operating range. SFD/Hall feedback is standard, while EnDat 2.1 or sine encoders can be used through a SynqNet card, and a CAN card supports SFD/Comcoder data. When the connected motor is matched to the drive, the shaft can provide 2500 W at 3000 rpm.
The compact housing has a height of 178.8 mm, a width of 76.1 mm, and a depth of 150.5 mm, including connectors. With no extra electrical option installed, airflow across the heat sink remains clear. The drive supports motors with inductance as low as 0.9 mH, which keeps it compatible with low-reactance, high-speed servomotors. Protective logic logs undervoltage events and reports status over the selected SynqNet or CAN link. Cooling and supply hardware should be sized around the continuous rating rather than short peak demand.
Frequently Asked Questions about S21260-VTS:
Q: What voltage rating does the Kollmorgen S21260-VTS servo drive support?
A: The S21260-VTS operates at a voltage rating of 120/240 VAC, supporting all current capacities.
Q: What is the continuous output power capability of the S21260-VTS at 240 Vac 3-phase?
A: This servo drive provides a continuous output power of 4000 W when run on 240 Vac three-phase.
Q: Which operational modes does the S21260-VTS allow?
A: The S21260-VTS supports velocity and torque modes as its functionality options.
Q: What are the continuous and peak current ratings for the S21260-VTS servo drive?
A: This model can supply a continuous current of 12 ARMS and a peak current of 30 ARMS.
Q: What type of feedback does the S21260-VTS servo drive support?
A: SFD/Halls feedback is supported on all S21260-VTS units for motor position and speed detection.
