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S60301-PB Kollmorgen

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Internal Product Review

The S60301-PB is a Kollmorgen S600 servo drive with a 3 A rms current rating and PROFIBUS expansion module for efficient motion control integration. Fast 62.5 µs current controller cycle and 250 µs position controller cycle give the drive a very responsive, well-tuned operating feel in demanding applications. A strong choice for automation systems that benefit from precise control and dependable fieldbus connectivity.

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Product Description:

The S60301-PB is a servo drive manufactured by Kollmorgen for the S600 Servo Drives series. It supplies regulated three-phase power to a compatible motor, allowing an industrial controller to manage precise position, speed, and torque profiles for machinery axes. The unit is intended for cabinet installation and supports fieldbus networking, allowing multiple drives to coordinate motion in automated packaging lines, pick-and-place gantries, and material-handling cells. Its control architecture processes motor feedback and command signals continuously to maintain stable axis response as operating loads and motion demands change.

During continuous operation, the drive delivers a rated phase current of 3 A rms, while a peak current of 6 A rms is available for short acceleration periods. The internal current controller updates every 62.5 µs. The position loop is refreshed and the digital inputs are scanned every 250 µs, helping keep command processing and input response synchronized. Thermal losses reach 40 W at rated current, and enclosure cooling must also account for an additional 15 W of quiescent dissipation. Common-mode output is limited to 10 V, while the residual voltage drop between the DC link and motor terminals is 5 V. An output current form factor of 1.01 indicates that the motor current remains close to a sinusoidal waveform. The analog reference input has a resistance of 20 kΩ, which limits loading on the upstream signal source. Compatible motors may have line-to-line winding inductance from 12 mH to 75 mH, allowing standard servo motor windings to operate without external reactors.

The drive has a rated apparent power of 2 kVA, and its power section accepts a three-phase supply ranging from 230 to 480 V without tap changes. Communication and expansion use the PROFIBUS profile, which is implemented through two 9-pin Sub-D ports that support daisy-chain wiring. The unit is configured with the AS electrical option, leaving the front slot available for an additional feedback or safety module. Its mechanical width is 70 mm, allowing closely spaced installation with adjacent equipment in a control cabinet. Forced-air ventilation can remove heat from the housing when the required airflow and cabinet clearances are maintained.

Common-mode Voltage Max
10 V
Current Controller Cycle
62.5 µs
Current Rating
3A rms
Digital Input Update Rate
250 µs
Dissipation At Rated Current
40 W
Electrical Option Detail
AS option
Expansion Module
PROFIBUS
Input Resistance To Agnd
20 kΩ
Instrument Width
70 mm
Max Load Inductance
75 mH
Min Load Inductance
12 mH
Output Current Form Factor
1.01
Peak Output Current
6 A rms
Position Controller Cycle
250 µs
Product Type
S600 Servo Drive
Profibus Ports
2 x 9-pin Sub-D
Quiescent Dissipation
15 W
Rated Installed Load
2 kVA
Residual Voltage Drop
5 V
Supported Voltage
230...480V

Frequently Asked Questions about S60301-PB:

Q: What communication expansion module is included on the S60301-PB?

A: The S60301-PB servo drive supports PROFIBUS communication through 2 x 9-pin Sub-D ports.

Q: What is the continuous output current rating of the S60301-PB servo drive?

A: This drive operates with a current rating of 3A rms, making it suitable for moderate load applications.

Q: What supported input voltage range does the S60301-PB offer?

A: The S60301-PB supports an input voltage range from 230 to 480V.

Q: What peak output current does the S60301-PB servo drive provide?

A: It can handle a peak output current of up to 6A rms for short-duration demands.

Q: What is the permissible load inductance range for the S60301-PB?

A: This servo drive requires that the connected load inductance be between 12 mH and 75 mH.

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