Description
Kollmorgen S20330-SRS | S200 Servo Drive | 90 VDC SynqNet
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Kollmorgen / Danaher Motion |
| Model | S20330-SRS |
| Series | S200 |
| Drive Type | DC-input servo drive |
| Rated Supply Voltage | 90 VDC |
| Continuous Output Current | 3 ARMS |
| Peak Output Current | 9 ARMS |
| Peak Duration | Approximately 3 seconds |
| SynqNet Interface | Yes |
| SynqNet Connector | Standard RJ connectors |
| Feedback | SFD / Hall |
| Maximum Current-Loop Bandwidth | 5 kHz |
| Maximum Velocity-Loop Bandwidth | 800 Hz |
| Approx. Height | 152.4 mm |
| Approx. Width | 48.3 mm |
| Approx. Depth | 100.8 mm without connectors |
| Approx. Weight | 0.50 kg |
The S200 installation manual explicitly identifies S20330-SRS as a 90 VDC drive rated at 3/9 ARMS, with a SynqNet option card and RJ-45 connectors. Current technical records also give approximately 152.4 × 48.3 × 100.8 mm and 0.50 kg.
Product Introduction
Kollmorgen S20330-SRS S200 Servo Drive
The Kollmorgen S20330-SRS is a compact digital servo drive in the S200 family, configured for 90 VDC input and SynqNet motion networking. Its 3 ARMS continuous and 9 ARMS peak output capability places it in the smaller-axis range of the S200 platform, suitable for compact machine axes where coordinated networked motion is required.
The suffix is important. “-SR” identifies the SynqNet option with standard RJ connectors, while the final “S” belongs to the model configuration. A visually similar S20330-VTS or S20330-CNS is not automatically a replacement because the control/network interface is different.
S20330-SRS
Application Scenarios & Field Pitfalls — Engineer’s Perspective
Engineering Pain Point
S20330-SRS units are commonly found in older multi-axis machines where the drive is part of a coordinated SynqNet motion network. A replacement drive can power the motor correctly yet still fail to communicate with the motion controller if the option-card configuration does not match.
Typical Applications
- Multi-axis machine tools — Networked servo control for compact positioning axes.
- Robotic machinery — Coordinated servo motion through SynqNet.
- Packaging and indexing equipment — High-speed speed/position control.
- Legacy OEM motion systems — Replacement of drives where the original SynqNet architecture remains in service.
Technical Pitfalls to Avoid
- Do not replace with S20330-VTS without checking the controller architecture.
The VTS configuration is a different variant, while specifically includes the SynqNet option with standard RJ connectors. - Do not assume the “” family designation is enough.
includes multiple voltage, current, feedback, and communication configurations. The complete designation should be matched against the machine documentation. - Check the DC supply carefully.
This is a 90 VDC drive, not a conventional 230 VAC-input servo amplifier. Applying the wrong supply architecture is a serious replacement error. - Verify SynqNet cabling and controller compatibility.
The drive’s SynqNet option uses standard RJ connectors. A replacement must communicate with the existing SynqNet motion controller; simply matching the connector does not prove network compatibility. - Match the motor feedback.
supports SFD/Hall feedback. The motor, feedback wiring, drive configuration, and controller parameters must be checked together before commissioning. - Do not rely on conflicting AC-input specifications found in current listings.
Some listings incorrectly describe as a 0–264 VAC or 220 VAC drive. The installation manual specifically identifies as the 90 VDC, 3/9 ARMS configuration.
Related Products
- Kollmorgen S20330-VTS — 90 VDC, 3/9 ARMS drive with the VT velocity/torque configuration rather than the SRS SynqNet configuration.
- Kollmorgen S20630-SRS — Higher-current DC-input SynqNet variant, rated 6/18 ARMS.
- Kollmorgen S20330-CNS — 90 VDC, 3/9 ARMS configuration with CAN/Indexer functionality.
- Kollmorgen S20630-CNS — Higher-current CAN/Indexer variant.
- Kollmorgen Series — Legacy digital servo-drive family covering several voltage, current, feedback, and network configurations.
- Kollmorgen SFD Feedback System — Feedback technology supported by the .
- Kollmorgen SynqNet — Synchronous motion network used by the SRS configuration.
- Kollmorgen SERVOSTAR 310 — Later Kollmorgen digital servo amplifier family; it is not a drop-in replacement for .
Procurement Check
For an , verify:
+ 90 VDC supply + 3/9 ARMS rating + SynqNet RJ interface + SFD/Hall feedback + motor model + motion-controller configuration.
The most important purchasing point is the SRS suffix. This is not merely a 3 A amplifier; it is the SynqNet-equipped 90 VDC configuration, and substituting another variant can leave the mechanical axis electrically compatible but unable to communicate with the machine controller.
