S30661-SE Kollmorgen
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The Kollmorgen S30661-SE is part of the S300 Servo Drives series and is designed to operate with an input voltage of 110 to 230V. This servo drive features 4 digital inputs, 2 analog inputs, and a SERCOS expansion card. It provides a peak output current of 15 Arms, a rated current of 6A rms, and offers STO safe torque off with SIL2 safety level.
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Product Description:
The S30661-SE is a servo drive produced by Kollmorgen and belongs to the S300 Servo Drives series. In an automation cell, it sits between the power mains and a synchronous motor, converting fixed-frequency AC into a regulated DC link and pulse-width-modulated output that follows motion commands from the controller. By regulating current and voltage in real time, the unit delivers the precise torque and speed profiles required for positioning tables, pick-and-place axes, and other dynamic industrial mechanisms. The control loop can respond quickly to changing loads, which helps the motor hold commanded speed during acceleration and short positioning moves.
This model accepts a single- or three-phase supply of 110…230 V and draws a maximum apparent power of 2.4 kVA under rated conditions. From that input, it can deliver a continuous phase current of 6 A rms, while short motion bursts are handled with a peak output of 15 A rms. Current is switched at 8 kHz, a carrier frequency that helps reduce motor acoustic noise while keeping switching losses within the drive’s thermal limits. Two analog inputs allow velocity or torque references from PLCs. Four digital inputs and two digital outputs support limit switches, drive enable, and status signaling. A plug-in SERCOS expansion card gives deterministic communication for coordinated multi-axis applications.
The DC link is rated for 450 VDC, and an overvoltage trip activates at 455 VDC to protect power devices during regenerative events. This arrangement helps limit stress on the power stage during abrupt deceleration. Up to 80 W of internal regeneration dissipates moderate kinetic energy without an external resistor, while full-load operation produces 60 W of heat and only 12 W at idle, simplifying cabinet cooling calculations. The Safe Torque Off circuit meets the functional safety target of SIL2, removing drive energy in milliseconds when a safety gate opens. Minimum motor inductance of 2.6 mH at 230 V is specified so that current ripple stays within control limits.
Frequently Asked Questions about S30661-SE:
Q: How many analog input channels does the S30661-SE servo drive have?
A: The S30661-SE has two analog input channels, allowing for flexible control and interfacing with analog signals.
Q: What is the device input voltage range for the S30661-SE?
A: This drive operates on an input voltage range of 110 to 230V, accommodating common industrial power supplies.
Q: What is the peak output current capability of the S30661-SE?
A: A peak output current of 15 Arms is provided by the S30661-SE for demanding motion requirements.
Q: Which safety feature and safety level are implemented on the S30661-SE servo drive?
A: The S30661-SE includes the STO (Safe Torque Off) safety feature with a SIL2 safety level for secure operation.
Q: What type of expansion card is used in the S30661-SE servo drive?
A: This model is equipped with a SERCOS expansion card type for high-speed digital communication.
