Description
Product Overview
The Kollmorgen SERVOSTAR 620-AS S62001 is an AC servo amplifier from the SERVOSTAR 600 family, designed for closed-loop motion control in industrial machinery. It drives compatible servo motors by controlling motor output in response to command signals and feedback from the motor. Typical application areas for this class of drive include machine tools, automated production equipment, positioning systems, and other machinery requiring controlled acceleration, speed, and torque.
The S62001 designation is important when matching a replacement. Kollmorgen documentation identifies SERVOSTAR 620-AS as the European article DE-90354 and lists S62001-NA as its US order code. The NA suffix identifies a configuration without a built-in expansion card. Optional interface hardware is documented separately, including DeviceNet, PROFIBUS DP, SERCOS, and EtherCAT. A drive with a different communication option should not be assumed equivalent simply because the base model family matches.
For maintenance teams, the main replacement checks are the complete drive label, hardware revision, supply configuration, motor feedback type, installed option card, and parameter set. A drive may power up correctly yet fail to operate the original motor if feedback wiring, motor data, or commissioning parameters differ. Kollmorgen’s installation documentation specifically instructs users to verify the hardware revision against the applicable manual and to follow the electrical ratings on the unit’s nameplate.
The Kollmorgen SERVOSTAR 620-AS S62001 should therefore be evaluated as a configured motion-control component, not as a generic 600-series substitute. Confirming the original drive’s option hardware and machine parameters before installation helps reduce commissioning delays and unexpected axis behavior.
Product Introduction (Non-Templated)
A servo-drive replacement can become a machine downtime issue when the replacement unit has a different interface card or hardware revision. The S62001-NA designation is particularly relevant: it identifies the version without a built-in expansion card, so the original communication arrangement must be checked separately.
Before installation, compare the motor nameplate, feedback connector, drive revision, and saved configuration. Do not energize the replacement based only on the SERVOSTAR 620-AS family name.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Kollmorgen |
| Product Model | S62001 |
| Product Designation | SERVOSTAR 620-AS |
| Product Family | SERVOSTAR 600 |
| European Article Number | DE-90354 |
| US Order Code | -NA |
| Built-in Expansion Card | None on the -NA version |
| Drive Type | AC servo amplifier |
| Motor Compatibility | Must be verified against motor model and feedback type |
| Communication Interface | Depends on installed option card |
| Supply Voltage | Verify exact unit nameplate |
| Continuous Output Current | Not verified for this exact order code |
| Peak Output Current | Not verified for this exact order code |
| Feedback Type | Verify motor and drive configuration |
| Hardware Revision | Check physical label |
| Mounting Method | Cabinet installation; exact dimensions not verified |
| Operating Temperature | Verify applicable hardware-revision manual |
| Protection Rating | Not verified |
Specification note: Do not use current or voltage figures from other SERVOSTAR 600 models as the rating. The exact electrical limits must be taken from the unit nameplate and the matching manual revision.

SERVOSTAR 620-AS S62001
Major Features and Advantages
- Closed-loop servo control: Supports controlled motor operation using command and feedback signals.
- SERVOSTAR 600 platform: Belongs to Kollmorgen’s established 600-series servo amplifier family.
- Expansion-card configurations: The family supports optional communication and I/O expansion hardware, allowing different machine-interface arrangements.
- Configuration-specific identification: The -NA order code distinguishes the version without a built-in expansion card.
- Maintenance replacement use: The model designation provides a clear starting point for matching an existing drive, subject to revision and configuration checks.
- Machine-level integration: Correct operation depends on matching the drive to the motor, feedback device, control interface, and stored parameters.
Related Products
These are related SERVOSTAR 600 family models or documented option cards. They are not automatic substitutes for .
- S62000-NA — SERVOSTAR 620 standard version; confirm application and hardware differences.
- S61401-NA — SERVOSTAR 614-AS servo amplifier.
- S61001-NA — SERVOSTAR 610-AS servo amplifier.
- S60601-NA — SERVOSTAR 606-AS servo amplifier.
- S60301-NA — SERVOSTAR 603-AS servo amplifier.
- OPT-DN — DeviceNet expansion card.
- OPT-PB — PROFIBUS DP expansion card.
- OPT-EC — EtherCAT expansion card.
Frequently Asked Questions
Q1: What is the Kollmorgen ?
It is the US order-code designation associated with the SERVOSTAR 620-AS AC servo amplifier. The manufacturer’s manual lists -NA as the version without a built-in expansion card.
Q2: Can I replace an existing SERVOSTAR 620-AS with ?
Only after comparing the complete order code, hardware revision, installed option card, motor feedback arrangement, and electrical ratings. A matching base model name alone is insufficient.
Q3: Can I hot-swap this servo drive?
Do not treat it as hot-swappable. Isolate and verify the power supply, allow the DC bus to discharge according to the applicable manual, and follow the machine’s electrical safety procedure before removal or installation.
Q4: Does the support firmware v3.1?
Firmware compatibility cannot be confirmed from the base model number alone. Check the drive’s firmware or software revision and the applicable commissioning documentation before loading parameters or connecting it to the machine controller.
Q5: Which communication protocols are available?
The SERVOSTAR 600 family documentation lists optional DeviceNet, PROFIBUS DP, SERCOS, and EtherCAT expansion cards, among others. The actual protocol depends on the installed option hardware.
Q6: Can I use with any Kollmorgen servo motor?
No. Confirm motor voltage, current requirements, feedback type, connector arrangement, and motor data. Compatibility should be established from the motor and drive documentation, not from brand matching alone.
Q7: What should I check when purchasing a replacement?
Request clear photographs of the complete nameplate, serial number, hardware revision, connectors, and any installed expansion card. Also confirm whether the unit has been tested under power and whether its fault history and parameter backup are available.
Procurement note: For an replacement, the most useful evidence is a photograph of the original drive’s complete label and option-card area. This helps distinguish the -NA base configuration from units with additional interface hardware.
