S31061-SE-SB Kollmorgen
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The Kollmorgen S31061-SE-SB is an S300 Servo Drive with a device input voltage range of 110 to 230 volts and rated input power of 4 kVA. It provides peak output current of 20 Arms at 3x230V, rated current of 10A rms, and includes the STO safety feature. The drive supports SERCOS expansion cards, operates with a switching frequency of 8 kHz, and is protected by an IP20 enclosure rating.
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Product Description:
The S31061-SE-SB servo drive is manufactured by Kollmorgen and belongs to the S300 Servo Drives series. It serves as the intermediary between a plant’s AC mains and a permanent-magnet motor, modulating energy so the motor follows commanded velocity or position profiles. Housed for control-cabinet installation, the device supports deterministic communication with multi-axis controllers through a modular fieldbus option so that motion, diagnostic, and shutdown commands are exchanged in real time within automated assembly, packaging, or material-handling cells.
The drive accepts a supply of 110–230 V and converts it to three-phase PWM output. Under continuous load, it delivers 10 A rms, while acceleration or disturbance events can be handled with a peak current of 20 A rms. Input apparent power at rated conditions is 4 kVA, and the switching transistors are clocked at 8 kHz to minimize current ripple. Motion commands and status words move across the SERCOS expansion card; the interface reaches 16 Mbaud and can be assigned any address from 0 to 63, allowing dense multi-axis networks. A hardware-based STO circuit removes gate drive when a safety channel opens, eliminating residual torque without downstream contactors.
On the DC side, the link capacitors charge up to 450 VDC, and an over-energy condition trips at 455 VDC to protect the semiconductors. For dynamic braking, the unit carries a 66 Ω resistor that can absorb 50 W and pass up to 1.5 A, ensuring controlled deceleration during fast stops. Drives connected to high-speed, low-inductance motors remain compatible because the minimum allowable inductance is 1.9 mH, and the output stage withstands a voltage-rise rate of 3.3 kV/µs. Thermal losses reach 12 W with the output disabled and 90 W at rated current. The enclosure meets the IP20 protection category.
