S7120F-NANANA Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen S7120F-NANANA is a servo drive from the S700 Servo Drives series that features a rated current of 12 Arms and a voltage rating between 208 and 480 Volts. This model supports EtherCAT and CANopen onboard and is equipped with dual channel STO capability. It has a rated input power of 9 kVA and weighs 4.4 kg.
Internal Product Review
The S7120F-NANANA is a Kollmorgen S700 servo drive designed for consistent motion control with a 12 Arms rated current and a 208...480V voltage rating. Dual-channel STO and onboard EtherCAT/CANopen give the drive strong safety integration and efficient network commissioning. An 8 kHz switching frequency supports clean drive response, making the unit a highly capable servo platform.
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Product Description:
The S7120F-NANANA is a servo drive from Kollmorgen’s S700 Servo Drives series. As a compact controller for brushless servo motors, it converts the facility power supply into regulated output that synchronizes velocity and position loops in automated handling, packaging, and machining cells. Its integrated fieldbus interfaces link the motion axis directly to PLCs over EtherCAT or CANopen, allowing deterministic command exchange without additional gateway hardware. This arrangement allows one axis to receive commands and return status information through the same control network, which helps maintain coordinated motion across multi-axis equipment.
During continuous operation, the drive sources a phase current of 12 Arms while drawing a line power of 9 kVA from supplies between 208–480 V AC. The PWM inverter switches at 8 kHz, minimizing ripple and motor heating. Its current regulator is tuned for motors with a minimum inductance of 2.2 mH, and the output current form factor of 1.01 keeps RMS and average values nearly identical. Dual-channel STO is implemented for functional safety, allowing torque-free shutdowns without separate relays. Communication is handled directly through onboard EtherCAT and CANopen because no expansion card is required, and standard or conformal-coated PCBs can be selected to suit humid or contaminated environments.
The housing measures 70 mm wide, 243 mm deep, and 345 mm high, and it has a mass of 4.4 kg. The compact enclosure supports cabinet installation where space is limited, and the braking path reduces the need for separate external dissipation during routine stopping events. For braking energy, the unit offers an external absorption capacity of 1.5 kW; for lighter decelerations, an internal circuit absorbs 100 W through a built-in 33 ohm resistor. These paths remain active for the peak-current window of 2 s, helping prevent DC-bus overvoltage during rapid stops. At steady load, the electronics release 160 W of heat, so adequate cabinet ventilation is important when the drive is mounted near other heat-producing components.
