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SERVO Sigma-7 SERVOPACKs are fully digital, networkable servo amplifiers that offer the output needed for precise, high speed actuation of one or two axes of servo motor motion. The power options range from 30 watt to 15 kW with 100/200 and 400 VAC operation. 2017 Engineers' Choice Award Winner If the SERVOPACK you need is not listed below, view our other servo amplifiers, which includes legacy products.




Dual Axis capability with MECHATROLINK-III networking. Control two axes of servo motion with an amplifier designed to utilize the advanced capabilities of a MECHATROLINK-III motion network.


Industry leading performance plus MECHATROLINK-III motion networking in an amplifier with 3.1 Hz bandwidth, a suite of advanced tuning features and easy implementation.


EtherCAT networking with SERVOPACK performance, Plug-and-play EtherCAT functionality combines with Yaskawa’s Sigma-7 technology for superior motion control.

SGD7S Analog

Analog control with advanced features. Analog I/O, plus the performance benefits of Sigma-7 servo automation.

SGD7S Sigma-7Siec

A single axis motion controller with the higher performance benefits of a Sigma-7 amplifier in a compact package.

SGD7S MP2600iec

A 1.5 axis motion controller with the high performance benefits of a Sigma-7 amplifier.

SigmaLogic7 Compact

With included Add-On Instructions (AOIs) for Rockwell ControlLogix and CompactLogix PLCs.

SigmaLogic7 Modbus

With built-in controller functionality that can be accessed by a third party host controller using Modbus TCP protocol.


The Sigma-7 line of AC brushless rotary servo motors covers a full range of load requirement in both small and medium capacities. The advanced technology built into Sigma-7 sets a new industry standard for responsiveness, precision and long-term reliability. Each Sigma-7 motor is engineered to maximize compatibility with existing Sigma-5 motors in control electronics, electrical rating and mounting conventions. Sigma-7 motors can be equipped with matching gearheads to suit a wider range of speed or mechanical linkage requirements.




Optimize load matching for lower capacity loads with this medium inertia servo motor that delivers on the Yaskawa reputation for exceptional reliability.


The general-purpose workhorse of the Sigma-7 line, SGM7A is available in a wide range of sizes and covers the capacity spectrum from low to medium power.


An ideal choice for applications where space is limited, but full-size torque and speed performance must be consistently delivered.


Delivers a rated speed of 1500 rpm, and rapid and consistent throughput over a wide power range.