Kollmorgen 6SM37S-6000-G Replacement for 6SM Series

Product Overview

Kollmorgen 6SM37S-6000-G Replacement for 6SM Series: Smooth Transition & Legacy System Compatibility

When your existing motion control architecture relies on a Kollmorgen 6SM Series brushless servo motor and the original unit reaches end-of-life or becomes unavailable, unplanned downtime is the costliest outcome. The Kollmorgen 6SM37S-6000-G is a compact, high-speed brushless servo motor rated at 6000 RPM, designed for precision axis control in CNC machining centers, packaging lines, semiconductor handling equipment, and multi-axis robotic cells. This listing provides a verified replacement and upgrade solution for engineers and procurement teams managing legacy Kollmorgen servo systems.

The 6SM37S-6000-G belongs to Kollmorgen’s 6SM Series — a family of synchronous brushless servo motors engineered for integration with Kollmorgen AKD, S700, and Servostar 600/400 series servo drives. If your facility currently operates Servostar 601, Servostar 603, or Servostar 606 drives, the 6SM37S-6000-G is a direct mechanical and electrical replacement candidate, preserving your existing motor cable routing, resolver or encoder feedback wiring, and drive parameter sets with minimal re-commissioning effort.

Compatibility Comparison Table

Seamless Upgrade Solutions

A successful servo system migration involves more than swapping the motor. During the retrofit process, engineers typically evaluate the full drive-motor-feedback chain. If you are upgrading from an older Servostar 606 or Servostar 603 drive to a modern Kollmorgen AKD-P00306 or AKD-P00606 digital servo drive, the 6SM37S-6000-G integrates directly via the drive’s SFD (Smart Feedback Device) or resolver input — no additional signal conditioning is required.

For multi-axis systems, the motor is commonly paired with a Kollmorgen AKD-N distributed servo drive mounted directly on the machine frame, eliminating long motor cable runs and reducing cabinet space requirements. In cabinet-based architectures, a Kollmorgen PST power supply module or a compatible 24 VDC logic supply feeds the drive bus, while the 6SM37S-6000-G’s compact 37 mm frame fits within tight servo cabinet layouts alongside other axis modules.

When replacing motors in a multi-axis CNC or robotic cell, it is common to simultaneously audit the motor power cables (CFD or CFOR series shielded servo cables) and the feedback cables (resolver cables with M23 connectors) for insulation degradation. Replacing these cables during the motor swap prevents intermittent faults after recommissioning. If your system uses a Kollmorgen WorkBench or DriveGUI commissioning tool connected via USB or RS-232 programming cable, motor parameters such as pole count, rated current, and encoder resolution can be re-entered or auto-identified within minutes.

For facilities transitioning from older analog velocity-loop architectures to full digital position control, the 6SM37S-6000-G supports integration with Kollmorgen KAS (Kollmorgen Automation Suite) motion controllers, including the AKD PDMM (drive-integrated PLC) and the KAS-AKD EtherCAT master platform. This allows a phased migration where the motor is replaced first, the drive is upgraded in a second phase, and the motion program is ported from legacy ladder logic or CAM tables to IEC 61131-3 structured text without a full system shutdown.

In applications where the 6SM37S-6000-G replaces a motor in a Rexroth IndraDrive or Siemens SIMODRIVE 611 environment, a drive replacement with a compatible Kollmorgen AKD unit and appropriate motor cable adapter kit is recommended. Signal isolation modules may be required at the feedback interface if the legacy drive used a proprietary encoder protocol incompatible with standard resolver inputs.

Retrofit Guidance FAQ

Q: Can I reuse my existing motor power cable?
A: In most cases, yes. The 6SM37S-6000-G uses a standard M23 or MS-style circular power connector. Verify pin assignment against your existing cable drawing before reconnecting. If the cable is older than 5 years or shows jacket cracking, replacement is recommended.

Q: Do I need to re-tune the drive after replacing the motor?
A: If replacing with an identical SKU (6SM37S-6000-G for 6SM37S-6000-G), drive parameters can be retained. If upgrading from a different 6SM variant, re-run the auto-tuning routine in WorkBench or DriveGUI to update current loop gains.

Q: Is the resolver feedback compatible with my Servostar 600 drive?
A: Yes. The 6SM37S-6000-G uses a standard 2-pole resolver compatible with all Servostar 400/600 and S700 series drives. No resolver-to-encoder converter is required.

Q: What communication protocols are supported for motion commands?
A: The motor itself is protocol-agnostic. Command interface depends on the paired drive: AKD drives support EtherCAT, CANopen, Modbus TCP, and analog ±10V. Servostar 600 drives support CANopen and analog interfaces.

Q: Will the motor fit in the same mounting space?
A: Yes. The 6SM37S-6000-G uses the same IEC flange and shaft dimensions as other 6SM37 frame motors. No mechanical modification to the machine is required.

Q: How long does commissioning take after installation?
A: Typically 30–90 minutes for a direct replacement using existing drive parameters. A full re-commissioning with auto-tuning takes 2–4 hours depending on system complexity.

Warranty Assurance

Every Kollmorgen 6SM37S-6000-G unit shipped from TOPNLMS undergoes pre-shipment functional inspection including insulation resistance testing, shaft rotation check, and connector integrity verification. All units are covered by a 12-month warranty from the date of shipment, covering manufacturing defects and premature failure under normal operating conditions.

If a unit fails within the warranty period, TOPNLMS provides a replacement dispatch within 3–5 business days upon receipt of the defective unit and fault confirmation. Our technical team is available to assist with installation verification, parameter configuration guidance, and fault diagnosis via email or phone to minimize your system downtime.

Units are shipped from Xiamen, China with full export documentation, commercial invoice, and packing list. Express courier options (DHL, FedEx, UPS) are available for urgent replacement orders. Bulk procurement and long-term supply agreements are supported for MRO and OEM customers.

For procurement inquiries, technical compatibility questions, or urgent replacement requests, contact our industrial automation team directly.

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