S7720C-NANA-F2 Kollmorgen
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The Kollmorgen S7720C-NANA-F2 is a servo drive in the S700 Servo Drives series, designed for three phase AC input with a voltage rating of 208 to 480 volts. It features a rated current of 72 Arms, peak current duration of 5 seconds, and onboard EtherCAT and CANopen connectivity. The drive provides dual channel STO safety with a SIL3, PL e safety level, and has heat dissipation of 1135 W at 480V, measuring 386 mm in height and weighing 13 kilograms.
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Product Description:
The S7720C-NANA-F2 is a servo drive manufactured by Kollmorgen and assigned to the S700 Servo Drives series. This drive converts three-phase AC supply power into controlled current for permanent-magnet servomotors, allowing accurate velocity, torque, and position regulation in automated machinery. By integrating communication ports for EtherCAT and CANopen directly on the base hardware, the unit can exchange real-time data with programmable controllers without additional fieldbus modules. This arrangement supports compact control cabinets and reduces the number of separate interface components needed around the axis. It is suited for packaging equipment, indexing systems, and other motion axes that require synchronized motor response.
Physically, the S7720C unit stands 386 mm high, measures 190 mm wide, and has a mounting depth of 244 mm. The power section operates from a three-phase supply in the range of 208 to 480 V at 50/60 Hz and can supply up to 72 Arms of continuous output current to the connected motor. A cold-plate thermal interface is provided instead of a finned heat sink, so heat can be transferred into a cabinet cooling plate or liquid-cooled mounting surface. The onboard fieldbus ports remove the need for an expansion card, and a CE-rated line filter is included to limit conducted emissions on the supply lines.
Thermal behavior includes losses of 885 W when the DC bus is derived from 230 V lines and 1135 W when it is supplied from 480 V lines, while idle dissipation is 24 W. During acceleration, the inverter may exceed its nominal output for up to 5 s before returning to its continuous rating. Functional safety is provided by dual-channel STO hardware with a rating of SIL3, PL e, allowing the drive to remove torque as part of a machine safety circuit without external contactors. The 13 kg assembly uses an integrated cold-plate base that transfers heat into the machine coolant path rather than releasing it through a large external heat sink. Low idle dissipation helps limit cabinet heat when the axis is enabled but lightly loaded.
Frequently Asked Questions about S7720C-NANA-F2:
Q: What is the rated current output of the S7720C-NANA-F2 servo drive?
A: The S7720C-NANA-F2 has a rated current of 72 Arms for handling demanding servo applications.
Q: What voltage range does the S7720C-NANA-F2 servo drive support?
A: This model supports a voltage rating range from 208 to 480 volts, making it compatible with various industrial power systems.
Q: What communication protocols are available on the S7720C-NANA-F2 without expansion?
A: The S7720C-NANA-F2 features onboard EtherCAT and CANopen interfaces, with no expansion card required.
Q: What functional safety level does the S7720C-NANA-F2 meet?
A: This servo drive achieves a safety level of SIL3 and PL e, ensuring advanced functional safety for your equipment.
Q: How much heat is dissipated by the S7720C-NANA-F2 when running at 230 V?
A: At 230 V input, the drive dissipates 885 watts of heat during operation.
