S70102-NAPMINA Kollmorgen
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The S70102-NAPMINA is a servo drive from Kollmorgen, part of the S700 Servo Drives series, and weighs 4.4 kg with dimensions of 345 mm in height, 243 mm in depth, and 70 mm in width. It features an auxiliary supply voltage of 24 VDC, operates at a voltage rating from 208 to 480V, and provides a peak output current of 4.5 Arms for up to 2 seconds. The drive offers IP20 enclosure protection, a dual channel STO capability, and runs at a switching frequency of 8 kHz.
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Product Description:
The S70102-NAPMINA is a servo drive produced by Kollmorgen within the S700 Servo Drives series. It is designed to regulate the torque, speed, and position of matched servomotors, forming the power conversion stage between a plant’s AC mains and the motor windings. By modulating its output through insulated-gate transistors, the unit provides closed-loop motion control for packaging machines, material-handling axes, and general automation cells.
The drive accepts a three-phase supply ranging from 208 to 480 V and converts that input into a regulated DC bus that feeds the inverter bridge. Under continuous duty, the output current is 1.5 Arms, while short load surges are supported at up to 4.5 Arms for 2 seconds, allowing acceleration without oversizing the cabinet transformer. A carrier frequency of 8 kHz balances motor acoustics against switching losses, and the power stage has an apparent input power rating of 1.1 kVA. Dynamic stopping energy is dissipated by an internal 33 Ω brake resistor that can absorb 50 W continuously. This arrangement avoids the need for external braking modules in most low-inertia applications.
Control electronics are supplied by an auxiliary bus at 24 VDC, ensuring the logic remains active during mains faults for an orderly shutdown. The intermediate circuit is limited to 900 V, a threshold that coordinates with Kollmorgen motor insulation classes. Safety is integrated through a dual-channel STO function that removes torque without cutting auxiliary power. The unit weighs 4.4 kg, occupies a 70 mm-wide footprint, and measures 345 mm high by 243 mm deep without connectors. Its compact dimensions simplify panel layout without restricting access to the wiring terminals. An IP20 open-style housing permits natural convection while producing a sound level of only 43 dB(A). Heat generated under nominal load is 40 W, so standard enclosure ventilation is adequate. Field wiring is simplified by the PosI/O expansion card and factory-installed standard printed circuit boards that provide ready-to-use terminal blocks.
