S20350-SDS Kollmorgen
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The Kollmorgen S20350-SDS is an S200 Servo Drive series product with 750 W continuous output power and 2400 W peak output power. It provides a current rating of 3 ARMS continuous and 9 ARMS peak, with a nominal bus voltage of 320 VDC. The drive supports SFD/Halls feedback, operates with a voltage rating of 120 VAC doubler or 240 VAC single phase, and features SynqNet option cards for enhanced connectivity.
Internal Product Review
The Kollmorgen S20350-SDS is an S200 servo drive with 750 W continuous output power and 2400 W peak output power. A 3 kHz max current loop bandwidth and 800 Hz velocity loop bandwidth give the drive notably crisp response in demanding motion applications. Strong dynamic performance makes the S20350-SDS a very capable choice for precision servo control.
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Product Description:
Kollmorgen manufactures the S20350-SDS as a member of its S200 Servo Drives series. The unit is a compact servo drive intended to supply controlled electrical power to brushless servomotors, allowing tight velocity and position regulation in industrial automation cells that demand repeatable motion and fast response. It supports multiple feedback connections, including EnDat 2.1, sine encoder, Comcoder, SFD over CAN, and integrated SFD/Hall interfaces, so the drive can be matched to different motor feedback methods.
It delivers a continuous output power of 750 W, while transient demands can be met up to 2400 W without exceeding design limits. To maintain these levels, the internal DC link operates at 320 VDC and is derived from single-phase utility sources rated at 120 VAC doubler or 240 VAC single phase. During steady operation, the power stage supplies 3 ARMS continuous and 9 ARMS peak to the motor, and the mains side draws 10 ARMS at rated load. Current control is processed at a maximum loop bandwidth of 3 kHz, enabling precise torque regulation with minimal phase lag. Start-up presents a control inrush of 10 A crest for 1.60 ms, while normal housekeeping consumption stays at 10 W and worst-case offset current is limited to 64 mA. The electronics are supplied without an additional electrical option.
Closed-loop bandwidth reaches 800 Hz when using SFD feedback, and the current regulator supports motor electrical frequencies up to 600 Hz, allowing the drive to handle high-speed rotor designs. Peak current can be sustained for 3.0 s, giving the machine time to overcome static friction or sudden load spikes before the drive returns to its continuous rating. Feedback connections are presented on micro-D connectors that match the selected functionality mode. Integrated SFD/Hall support is available on all units.
