S77202-SNF2-PA Kollmorgen
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The Kollmorgen S77202-SNF2-PA is a S700 Servo Drive with a rated input power of 50 kVA and a voltage range of 208 to 480 V. It features a peak output current of 140 Arms for 5 seconds, dual channel STO capability, and weighs 13 kilograms. The drive includes a SynqNet network interface with two RJ-45 ports and a fan controller expansion card.
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Product Description:
The S77202-SNF2-PA is an AC servo drive manufactured by Kollmorgen as part of the S700 Servo Drives series. It conditions three-phase mains power into a controlled output that matches real-time torque and speed commands from motion controllers, making it suitable for coordinated multi-axis machinery. Integrated dual-channel Safe Torque Off and a SynqNet communication slot allow the drive to shut down motor energy quickly while remaining in synchronous data exchange with higher-level controllers.
The power section accepts line voltages from 208 to 480 V and delivers a continuous phase current of 72 Arms. For rapid acceleration or transient disturbance rejection, it can supply up to 140 Arms (5 s). The input stage is rated for 50 kVA, so upstream breakers and cabling must be sized for that apparent power. Rise time on the output phase edges is limited to 4.8 kV/µs to control insulation stress, while a minimum load inductance of 0.61 mH is recommended at 480 V to maintain stable current regulation. During operation, the inverter and its braking circuitry shed heat amounting to 1135 W. A residual voltage drop of 6 V appears between the DC bus and motor terminals, and dual RJ-45 ports carry 24 V SynqNet I/O signals to neighboring nodes.
Control diagnostics are aided by an analog monitor channel that resolves 0.38 mV per count, allowing fine observation of bus voltage or torque commands. A dedicated expansion card drives the internal fan when ambient temperature reaches 65 °C, protecting the standard PCBs from hot-spot aging. Physical installation is simplified by a panel width of 190 mm and a shipping weight of 13 kg, which help the unit fit inside most control cabinets. Two RJ-45 ports in Slot 1 expose the SynqNet backbone, while dual-channel STO keeps motor torque disabled during lockout procedures.
Frequently Asked Questions about S77202-SNF2-PA:
Q: What is the peak output current capability of the S77202-SNF2-PA?
A: This servo drive can deliver a peak output current of 140 Arms for up to 5 seconds.
Q: What voltage range does the S77202-SNF2-PA servo drive support?
A: The S77202-SNF2-PA supports a voltage rating between 208 and 480 volts.
Q: What kind of STO capability does the S77202-SNF2-PA provide?
A: The drive features a dual channel Safe Torque Off (STO) capability for safety.
Q: What network port configuration does the S77202-SNF2-PA have?
A: Network connectivity on this model is handled by 2 x RJ-45 SynqNet ports.
Q: What is the rated input power of the S77202-SNF2-PA servo drive?
A: This drive operates with a rated input power of 50 kVA for standard operation.
