S7720C-SNF2-F2 Kollmorgen
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The Kollmorgen S7720C-SNF2-F2 is an S700 Servo Drive with a rated current of 72 Arms and a continuous brake power of 8 kW. As part of the S700 Servo Drives series, it supports dual channel STO capability and features two RJ-45 Synqnet ports. The drive handles a rated input power of 50 kVA and operates at a maximum noise emission of 68 dB.
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Product Description:
The S7720C-SNF2-F2 is a Kollmorgen servo drive in the S700 Servo Drives series that interfaces with high-performance motion controllers and regulates three-phase servo motors in automated machinery. By modulating the applied bus voltage, it manages motor torque, speed, and braking energy so production equipment can run repeatable cycles without manual adjustment. The product type is S700 Servo Drive, placing the unit within a family of axis controllers that share a common diagnostic structure. This operating role suits packaging systems, indexing equipment, and other automated machines that depend on coordinated axis motion.
This drive operates on a line supply of 208 to 480 V and can draw up to 50 kVA of input power while delivering a rated output current of 72 A rms. A switching frequency of 8 kHz balances dynamic response with motor acoustic performance, and a residual DC-link voltage of 6 V remains after power-off to support fault detection circuits. Safety is provided through dual-channel STO, which removes torque-producing energy when both channels are de-energized. For applications with frequent start-stop sequences, the power cycle limit is 30 operations per hour, and the coldplate option allows the base to be clamped to a process-cooled surface instead of relying on natural convection alone. The wide input range supports use across common industrial mains systems without changing the drive’s basic operating role.
Continuous brake power is rated at 8 kW, and excess regenerative energy can be dissipated by an external resistor of 10 ohms. The external brake resistor path helps absorb returned energy during deceleration or overhauling loads. A dedicated fan controller expansion card activates auxiliary blowers when the heat sink reaches 80 °C or when internal air reaches 65 °C, which limits unnecessary blower operation during lighter duty. Maximum noise emission is limited to 68 dB(A), and two SynqNet communication ports are provided on 2 RJ-45 connectors for deterministic network cabling.
Frequently Asked Questions about S7720C-SNF2-F2:
Q: What is the continuous brake power rating for the S7720C-SNF2-F2?
A: The S7720C-SNF2-F2 servo drive has a continuous brake power capacity of 8 kW.
Q: How many Synqnet communication ports are included in the S7720C-SNF2-F2?
A: This model is equipped with two Synqnet ports using RJ-45 connectors.
Q: What is the rated current for the Kollmorgen S7720C-SNF2-F2 servo drive?
A: The S7720C-SNF2-F2 operates with a rated current of 72 Arms.
Q: What is the maximum noise emission level of the S7720C-SNF2-F2?
A: The maximum noise emission from this drive is 68 dB(A) during operation.
Q: What is the voltage rating range for the S7720C-SNF2-F2 servo drive?
A: The voltage rating for this servo drive ranges from 208V to 480V.
