S20660-SRS Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen S20660-SRS is a servo drive that is part of the S200 Servo Drives series and is rated for 120 to 240 VAC with a nominal bus voltage of 320 VDC. It provides a continuous current rating of 6 ARMS and a peak of 18 ARMS, with a continuous output power of 2000 W. The drive uses SynqNet network connectivity via RJ-45 connectors and has dimensions of 175.01 mm in height, 64.0 mm in width, and 131.57 mm in depth.
Internal Product Review
The S20660-SRS is a Kollmorgen S200 servo drive built for 120/240 VAC motion platforms. Current loop performance stands out with a 0.8 µs update period and 3 kHz maximum bandwidth, supporting very responsive servo tuning. SynqNet networking with an RJ-45 connector adds clean integration, making S20660-SRS a highly capable choice for demanding automation axes.
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Product Description:
The S20660-SRS is a digital servo drive produced by Kollmorgen and belongs to the S200 Servo Drives series. It converts a single-phase or three-phase AC supply into a controlled DC bus and a three-phase PWM output that operates a matched servo motor. By regulating current, velocity, and position, the unit integrates into automated machinery such as pick-and-place axes, packaging lines, and semiconductor tools. A plug-in SynqNet communication card and standard RJ-45 connectors allow the drive to synchronize motion commands with other nodes on the deterministic network.
It operates from a line input of 120/240 VAC, which is rectified to a nominal bus level of 320 VDC for energy storage and high-bandwidth torque control. Under rated conditions, the amplifier delivers 6 ARMS continuous and 18 ARMS peak, enabling fast acceleration for inertia-limited loads while maintaining thermal limits during steady operation. Continuous mechanical output reaches 2000 W when powered from a 240 VAC three-phase source, and short 3-second surges permit up to 6000 VA of apparent output to overcome breakaway or process transients. A bus overvoltage trip activates at 407 VDC ±5% to protect the internal capacitor bank and connected components.
The current regulator executes every 0.8 µs, supporting a maximum loop bandwidth of 3 kHz and a recommended setting of 2 kHz for stable cascade tuning. These time constants, together with SFD/Hall and sine-encoder feedback channels, let the drive achieve tight velocity tracking below one motor electrical cycle. The housing is compact; the unit measures 175.01 mm in height, 131.57 mm in depth, and just 64.0 mm in width, so it fits densely stacked control panels. Motion commands and status data travel over the deterministic SynqNet network through shielded RJ-45 ports, while an optional EnDat 2.1 card extends absolute feedback capability without changing the drive’s electrical performance.
