S20350-SRS Kollmorgen
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The Kollmorgen S20350-SRS is an S200 Servo Drive that features 750 W continuous power at 120 Vac and a peak power of 2400 W. It operates with a voltage rating of 120 VAC doubler or 240 VAC single phase and uses a nominal bus voltage of 320 VDC. This model has a continuous current rating of 3 ARMS and a peak current of 9 ARMS, and it supports feedback through SFD/Halls and includes SynqNet and CAN option cards.
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Product Description:
The S20350-SRS is a servo drive produced by Kollmorgen and placed within the S200 Servo Drives series. Intended for closed-loop motion systems, the unit converts single-phase AC input into a regulated DC bus and three-phase output that controls brushless servomotors in packaging, material handling, and light-assembly equipment. It supports precise torque and speed regulation for automation axes that require consistent response during repetitive motion.
On a 120 VAC supply the drive can deliver 750 W of continuous power while drawing 10 A RMS from the line; for short bursts it supplies 2400 W and the internal current stage permits 3 ARMS continuous and 9 ARMS peak for up to 3.0 s before fold-back. The input doubler circuit also accepts 240 VAC single phase, creating a nominal bus that is held at 320 VDC for torque production. Analog command inputs tolerate ±12.5 V differential signals, and the current loop closes at 3 kHz, letting torque follow reference changes well within the 800 Hz velocity loop. Maximum output carrier frequency reaches 2.5 MHz, supporting high-resolution PWM modulation. These bandwidths allow the drive to use the SynqNet network while keeping motor currents within thermal limits.
Control and feedback resources are organized around the SynqNet option architecture. There is No Electrical Option, so motion expansion relies on the factory-installed SynqNet card that also carries EnDat 2.1 and sine encoder channels. Standard SFD/Hall feedback is supported on all units, and an additional CAN-based Comcoder interface is present for hybrid sensors. The network interface uses RJ45 connectors and exchanges data every 51.2 µs, giving the drive fresh position information at a 24 bit resolution. These channels allow axis tuning through the SynqNet option card with standard RJ ports, without external converters, while keeping wiring short and shielding effective.
Frequently Asked Questions about S20350-SRS:
Q: What is the continuous power output of the S20350-SRS at 120 Vac?
A: The S20350-SRS provides 750 W of continuous power when supplied with 120 Vac.
Q: What are the continuous and peak current ratings of the S20350-SRS?
A: This drive is rated for a continuous current of 3 ARMS and a peak current of 9 ARMS.
Q: What types of feedback does the S20350-SRS support?
A: The S20350-SRS supports feedback options including SFD and Hall sensors on all units.
Q: What is the maximum output line frequency for the S20350-SRS?
A: The max output line frequency for this model is 2.5 MHz, enabling fast control updates.
Q: What type of network connection does the S20350-SRS use for its SynqNet option card?
A: This drive is equipped with a SynqNet option card and uses standard RJ45 connectors for network communication.
