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3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Rated Output | 0.75 kW (750 W) |
| Rated Voltage | 200 VAC |
| Rated Torque | 2.39 Nm |
| Instantaneous Peak Torque | 7.16 Nm |
| Rated Current | 5.3 A |
| Instantaneous Max. Current | 16.6 A |
| Rated Speed | 3000 rpm |
| Maximum Speed | 6000 rpm |
| Encoder | 20-bit incremental serial encoder |
| Shaft Configuration | Straight shaft with key and tap |
| Brake | None |
| Protection Rating | IP65 (except shaft through portion) |
| Mounting | Flange |
| Ambient Temperature | 0 °C to 40 °C |
| Compatible SERVOPACK | SGDV-08 series (and equivalent Sigma-5 drives) |
4. Product Introduction
The Yaskawa SGMAV-08ADA61 is a low-inertia, high-response AC servomotor from the Sigma-5 series. It delivers 750 W continuous output at 200 VAC with a rated speed of 3000 rpm and a maximum speed of 6000 rpm.
Machine builders use this motor in applications that demand rapid acceleration, high positioning accuracy, and compact size—typical examples include semiconductor equipment, chip mounters, PCB drilling machines, robots, and material-handling systems. The 20-bit incremental serial encoder provides high-resolution feedback. As a legacy Sigma-5 motor, remaining New Surplus units continue to support existing machines that require this exact power and feedback combination.
SGMAV-08ADA61
SGMAV-08ADA61
5. Installation & Configuration Guide
Stage 1: Pre-Installation Preparation (≈10 min)
⚠️ Safety First: Disconnect and lock out all power to the SERVOPACK and motor. Wait for the drive’s DC bus to discharge.
Tools Required: ESD wrist strap, torque wrench, appropriate power and encoder cables, multimeter, alignment tools, smartphone for photos of existing mounting and cable routing.
Data Backup: Record the current motor parameters, encoder type, and any electronic gear or inertia settings stored in the SERVOPACK.
Stage 2: Removing the Old Motor (≈10–15 min)
- Confirm power is isolated and the bus is discharged.
- Label and disconnect the power cable and encoder cable.
- Unbolt the motor from the load or gearbox flange. Support the motor while removing the last fasteners.
- Inspect the coupling, shaft key, and mounting surface for wear or damage.
⚠️ Retain the old motor until the replacement has completed a successful test run.
Stage 3: Installing the New Motor (≈15 min)
- Verify the exact model marking SGMAV-08ADA61.
- Mount the motor to the machine flange using the correct bolts and torque values. Ensure proper shaft alignment and key engagement.
- Connect the power cable and the 20-bit incremental encoder cable. Observe correct pinout and shield grounding.
- If a shaft seal is present, confirm it is intact and properly seated.
Self-Checklist: [ ] Model confirmed [ ] Shaft key and coupling properly engaged [ ] Power and encoder cables seated and locked [ ] Mounting bolts torqued [ ] Grounding intact.
Stage 4: Power-On & Testing (≈15–20 min)
Pre-Power Check: Verify correct SERVOPACK model (SGDV-08 or equivalent) and motor parameter settings. Confirm cable connections with a continuity check.
- Apply control power, then main power. Observe the SERVOPACK for normal power-up without encoder or motor faults.
- Perform a low-speed jog in both directions while monitoring position feedback.
- Run an auto-tuning or manual tuning sequence if required.
- Execute a short production cycle under load while monitoring current, temperature, and positioning accuracy.
⚠️ Troubleshooting Note: Encoder communication errors are most often caused by damaged cables, incorrect wiring, or noise. Overcurrent or overload alarms usually indicate mechanical binding, incorrect motor parameters, or excessive load inertia. Never enable the drive with incorrect motor phasing or encoder type selected.
6. Frequently Asked Questions (FAQ)
Q: Can the SGMAV-08ADA61 be hot-swapped under power?
No. Always remove power from the SERVOPACK and allow the DC bus to discharge before disconnecting or connecting the motor. Working on a live system can damage the encoder or drive electronics.
Q: Is this model obsolete, and is the stock genuinely new?
Yes, the SGMAV series is a legacy Sigma-5 product and is no longer promoted for new designs. Available units are New Original (new surplus) stock that has been functionally verified. Quantities are limited.
Q: What is the direct replacement if SGMAV-08ADA61 stock is exhausted?
Yaskawa’s later Sigma-7 (SGM7A or equivalent) series motors can provide similar or improved performance. Confirm rated power, speed, encoder type, shaft configuration, and mechanical dimensions before substitution. Parameter files will need updating in the SERVOPACK.
Q: Will I lose drive parameters when I replace the motor?
Motor-specific parameters reside in the SERVOPACK. Always back up the current parameter set before replacement. After installation, select the correct motor model or download the appropriate motor data file.
Q: Why is the price lower than original Yaskawa list price?
These are New Surplus units from secondary-market inventory. They provide the same form, fit, and function as original production motors and are fully tested, but they are no longer current-production catalog items.
Q: Does this motor include a holding brake?
No. The SGMAV-08ADA61 is the non-brake version (suffix 61). Brake-equipped versions use a different suffix (typically 6C).
Q: What SERVOPACK is compatible?
The motor is designed for Yaskawa Sigma-5 SGDV-08 series SERVOPACKs (and equivalent). Confirm voltage class (200 V) and current rating before pairing.
