S77202-PNF2-S4 Kollmorgen
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The Kollmorgen S77202-PNF2-S4 servo drive is part of the S700 Servo Drives series and weighs 13 kilograms. It features a rated current of 72 Arms and is designed for use with a three phase AC input voltage from 208 to 480 volts. This drive includes two Profinet RJ45 ports, a fan controller expansion card, and dual channel STO safety capability.
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Product Description:
The S77202-PNF2-S4 is a single-axis S700 Servo Drive manufactured by Kollmorgen for precision motor control in automated machinery. Within the S700 Servo Drives series, this unit governs torque, speed, and position for synchronous or induction motors while interfacing directly with plant-wide Profinet networks. Its role in an automation cabinet is to deliver closed-loop regulation from a three-phase AC supply while keeping the installation compact. It can be used in motion systems that require coordinated command handling and continuous status feedback over industrial Ethernet.
The drive accepts line voltages from 208 to 480 V and can deliver a rated output current of 72 Arms for sustained operation. During acceleration or shock loading, it can maintain peak current for 5 s before reverting to steady-state operation. Heat produced under full electrical load is 160 W, while standby consumption is limited to 20 W, which helps with cooling and power planning inside the cabinet. A thermostatically triggered fan on the heat sink starts at 75 °C, and an internal expansion card supervises the blower. Functional safety is addressed by a dual-channel STO system that works with the dedicated safety card. Standard printed circuit boards resist typical factory contaminants, and the Profinet interface uses 100Base-TX Cat 5 cabling through two RJ45 ports for daisy-chain topology.
The housing has a depth of 244 mm, a height of 386 mm, and a width of 190 mm, and it weighs 13 kg for direct panel mounting without additional supports. The safety card is certified to SIL CL2 / PLd, so the drive can be used in systems that require controlled stop functions without external relays. Single-axis architecture keeps wiring straightforward, and the fan controller card preserves component life by modulating airflow only when thermal thresholds are crossed. With Cat 5 grade cabling and two RJ45 Profinet ports, network bandwidth is sufficient for real-time cyclic data exchange alongside diagnostics. This layout also keeps motion control, safety, and communication functions in one cabinet-mounted unit.
