Yaskawa SGM7A‑70D6F61 Servo Motor Unit

Module Feature

SGM7A‑70D6F61 is Yaskawa Sigma7 SGM7A low‑inertia permanent magnet synchronous servo motor, rated 7kW, 400V grade. Built‑in 24‑bit high resolution serial encoder, no brake, straight shaft without keyway. It features fast dynamic response, suitable for high‑speed and frequent start‑stop motion axes, matched with SGD7S series SERVOPACK drive. Widely used for machine tools, packaging equipment and electronic automation production lines.

Working principle

Permanent magnet rotor forms fixed magnetic field. The servo drive outputs variable frequency three‑phase AC to stator winding to generate rotating magnetic field. Magnetic coupling produces torque to drive rotor rotation. Encoder feeds back real‑time position signal to drive to realize closed‑loop speed and position control.

Onboard components

Permanent magnet rotor, stator winding, serial encoder unit, temperature sensor, power and encoder connectors, motor housing, bearing assembly.

LED indicators

No onboard LED indicators. Operating state and fault information are displayed on SGD7S drive panel or SigmaWin+ software.

Hardware self‑diagnosis

Detect encoder communication abnormality, motor overtemperature, winding insulation fault, read alarm codes through SigmaWin+ software.

Programming software

Parameter identification, gain tuning and diagnosis by Yaskawa SigmaWin+ software.

Electrical & Process Parameters

Model:SGM7A‑70D6F61 Brand:Yaskawa Device type:Low Inertia PMSM Servo Motor Rated power:7kW Voltage class:400V 3‑phase Encoder:24‑bit serial encoder Shaft:Straight shaft, without keyway Brake:Without holding brake Function:High dynamic speed and position control

Mechanical & Structure

Mounting:IM B5 flange mounting Protection class:IP67 (shaft side / connector side IP65) Housing:Aluminum alloy housing

Environmental

Operating temperature:0℃ ~ +40℃ Storage temperature:-40℃ ~ +85℃ Ambient humidity:5~95% non‑condensing Certification:CE, UL, IEC servo standard compliant Status: Yaskawa original Sigma7 SGM7A servo motor

Installation

Mount motor by flange, align coupling with driven shaft. Connect motor power cable and encoder cable to SGD7S drive. Complete motor identification and auto tuning in SigmaWin+ before formal operation.

Interface

Motor power connector, serial encoder signal connector, flange mounting interface, straight output shaft.

Diagnostic

Position deviation: encoder cable damage or connector loose. Motor overheat: overload or continuous high‑speed operation. Encoder alarm: encoder hardware failure or wiring interference.

Product Brief

Yaskawa SGM7A‑70D6F61 Sigma7 low inertia servo motor, 7kW 400V, cooperates with SGD7S drive for high‑dynamic precision motion control.