S77202-PNF2-PA Kollmorgen
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The Kollmorgen S77202-PNF2-PA servo drive is part of the S700 Servo Drives series and has a weight of 13 kg and dimensions of 386 mm in height, 190 mm in width, and 244 mm in depth. This three-phase AC drive provides a rated input power of 50 kVA, supports voltages from 208 to 480V, and offers dual channel STO and dual RJ45 Profinet ports. It features an IP20 enclosure rating and is designed with a built-in fan controller, with two analog inputs and two analog outputs supported.
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Product Description:
The S77202-PNF2-PA is a servo drive manufactured by Kollmorgen within the S700 Servo Drives series. It functions as the power interface between a motion controller and synchronous or induction servomotors, converting command signals into finely regulated phase currents. In multi-axis packaging, printing, and material-handling systems, the unit supports responsive torque, speed, and position control so mechanical loads can follow programmed motion profiles with repeatable results. It is suited for applications where coordinated axis behavior and stable motor regulation are required during continuous operation.
The drive operates from a three-phase mains range of 208 to 480 V, and its power section is sized for 50 kVA of apparent input power. Under nominal load, it supplies 72 Arms of output current, while overload peaks are supported for 5 seconds before current foldback begins. The housing has an IP20 rating, which is appropriate for indoor control cabinets that use forced-air cooling and protected installation practices. Network communication is handled through dual RJ45 PROFINET ports, allowing deterministic cyclic data exchange without requiring an external switch between adjacent nodes. This arrangement supports direct integration into real-time Ethernet control architectures used for synchronized motion.
Functional safety is provided by a hardware-based dual-channel STO that disables the power stage while allowing bus communication to remain active. A dedicated fan controller expansion board starts cooling when the internal heat sink reaches 65 °C, helping the drive maintain stable thermal operation during demanding duty cycles. The chassis measures 386 mm in height, 190 mm in width, and 244 mm in depth, and it weighs 13 kg for vertical mounting in control cabinets. Two analog inputs and two analog outputs allow local speed or torque trimming without the need for separate interface cards. This layout supports compact cabinet integration where analog signals and networked axis control must be handled within the same drive platform.
