S30661-NA-SB Kollmorgen
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The S30661-NA-SB is a servo drive manufactured by Kollmorgen as part of the S300 Servo Drives series. It operates with a device input voltage of 110 to 230 volts and a rated current of 6 Amps RMS. The drive features CANopen communication onboard and offers an STO Safe Torque Off safety feature.
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Product Description:
The S30661-NA-SB servo drive is built by Kollmorgen in the S300 Servo Drives series. It serves as the power stage in an automation cell and converts AC mains into a high-bandwidth current source for a synchronous or induction servo motor. By tracking references from a fieldbus master, the unit delivers closed-loop motion for pick-and-place modules, packaging lines, and material handling stations. This operating role lets the drive support accurate torque, speed, and position control within a compact multi-axis system.
It accepts a single-phase or three-phase supply of 110–230 V, generating a DC link that stays below the 450 VDC ceiling and trips at 455 VDC if the bus rises too far. Under nominal duty, the drive delivers 6 A rms of phase current while drawing 2.4 kVA from the mains. Its output current form factor of 1.01 means RMS and average currents remain very close, which helps keep copper losses predictable in the motor and cabling. Pulse-width modulation operates at 8 kHz, and the carrier can be raised to 16 kHz at half load to reduce audible noise. The power stage has a residual voltage drop of 4 V, and the minimum permissible motor inductance is 2.6 mH so the voltage rise rate of 3.3 kV/µs does not overstress insulation.
For regenerated energy, the drive has an internal brake resistor of 66 Ohm, and a panel-mounted shunt rated at 1 kW can be added for heavier braking duty. This arrangement helps absorb deceleration energy locally and limits stress on the DC bus during repeated slowdowns. Thermal loading on the enclosure is 12 W at idle and 60 W at rated output, which helps determine how much cabinet airflow is needed around the unit. The converter should not exceed 30/h electrical start-stop cycles, and the integrated STO (Safe Torque Off) channel provides a redundant hardware path that removes torque without extra contactors. Communication with the motion controller is handled through the onboard CANopen interface, which supports parameter access, status exchange, and diagnostics in networked servo systems.
Frequently Asked Questions about S30661-NA-SB:
Q: What input voltage range does the S30661-NA-SB servo drive support?
A: The S30661-NA-SB servo drive operates on input voltages from 110 to 230V.
Q: Which communication protocol is included with the S30661-NA-SB servo drive?
A: This servo drive features CANopen as its onboard communication interface.
Q: What is the resistance value of the internal brake resistor in the S30661-NA-SB?
A: The S30661-NA-SB has a built-in internal brake resistor rated at 66 Ohm.
Q: How much external brake power does the S30661-NA-SB support?
A: Up to 1 kW of external brake power can be managed by the S30661-NA-SB.
Q: What type of safety feature does the S30661-NA-SB provide?
A: The S30661-NA-SB is equipped with an STO (Safe Torque Off) safety feature.
