S77202-FBF2-PA Kollmorgen
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The Kollmorgen S77202-FBF2-PA is an S700 Servo Drive series product with a rated current of 72 Arms and an input power of 50 kVA. It includes a dual channel STO safety feature, offers IP20 enclosure protection, and uses an F2 controlled fan for cooling. The drive has a maximum noise emission of 68 dB(A) and supports voltage ratings from 208 to 480V.
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Product Description:
The S77202-FBF2-PA is a servo drive produced by Kollmorgen within the S700 Servo Drives series. It converts the incoming AC line into regulated motor power and coordinates current, velocity, and position loops, making it a central component in automated assembly stations and multi-axis gantries. The drive also provides safety functions, feedback processing, and analog and digital interfaces so that higher-level controllers can command motion with tight accuracy and repeatability.
Continuous output capability stands at 72 Arms, letting the drive energize motor coils without thermal overload across its specified load range. That current is available from a three-phase mains window of 208 to 480 V, which permits deployment on both 240 V and 400 V class plants. At full load, the converter can draw up to 50 kVA, so upstream protection and cabling must be sized accordingly. The analog command channel has an input resistance of 20 kΩ, and that high impedance helps prevent loading of PLC voltage references while preserving signal fidelity. Control values are sampled every 62.5 µs, which supports high-bandwidth torque and velocity loops. A residual voltage drop of 6 V separates the DC bus from the output stage, and secondary encoders are powered by an internal 5 VDC source that can supply 300 mA.
Thermal management uses the F2 controlled fan option, and the accompanying expansion card controls the fan to keep internal temperatures within limits while rejecting up to 1005 W of heat during 400 V operation. Minimum permissible motor inductance is 0.51 mH, a value used when matching the drive to a suitable motor winding for stable current regulation. The analog monitor channel provides an output resolution of 0.38 mV, allowing detailed observation of drive status during operation. The metal housing carries an IP20 protection code and contributes to a maximum noise emission of 68 dB(A) when the cooling fan is at full speed. A FB-2to1 feedback extension supports secondary encoders, and dual-channel STO is available on the Standard PCBs option to satisfy functional safety requirements.
Frequently Asked Questions about S77202-FBF2-PA:
Q: What is the rated input power of the S77202-FBF2-PA servo drive?
A: The S77202-FBF2-PA servo drive operates with a rated input power of 50 kVA, making it suitable for high-power servo applications.
Q: What is the rated current for the S77202-FBF2-PA model?
A: This servo drive has a rated current of 72 Arms, supporting powerful motor control.
Q: What cooling method does the S77202-FBF2-PA servo drive feature?
A: The S77202-FBF2-PA is equipped with a controlled fan (F2) as its cooling option to help manage thermal loads during operation.
Q: What level of enclosure protection does the S77202-FBF2-PA provide?
A: Its enclosure has an IP20 protection rating, indicating limited protection against solid objects but no protection against water.
Q: What is the analog input update rate on the S77202-FBF2-PA servo drive?
A: Analog input signals are updated every 62.5 microseconds, enabling rapid and precise response in motion applications.
