| Yaskawa Sigma-7 SERVOPACKs SGD7W- | 1R6A | 2R8A | 5R5A | 7R6A |
| Maximum Applicable Motor Capacity [kW] | 0.2 | 0.4 | 0.75 | 1.0 |
| Continuous Output Current [Arms] | 1.6 | 2.8 | 5.5 | 7.6 |
| Instantaneous Maximum Output Current [Arms] | 5.9 | 9.3 | 16.9 | 17.0 |
| Main Cir- cuit Power Supply | 270 VDC to 324 VDC, -15% to +10% |
| Main Cir- cuit Input Current [Arms]* | 3.0 | 5.8 | 9.7 | 14 |
| Control Power Supply | 270 VDC to 324 VDC, -15% to +10% |
| Power Supply Capacity [kVA]* | 1.2 | 2 | 3.2 | 4.6 |
| Main Circuit Power Loss [W] | 23 | 40 | 76 | 92 |
| Control Circuit Power Loss [W] | 24 | 24 | 24 | 24 |
| Total Power Loss [W] | 47 | 64 | 100 | 116 |
| Item | Specification |
| Control Method | IGBT-based PWM control, sine wave current drive |
| Feedback With Rotary Servo Motor | Serial encoder: 20 bits or 24 bits (incremental encoder/absolute encoder)
22 bits (absolute encoder) |
With Linear Servo Motor | • Absolute linear encoder (The signal resolution depends on the absolute linear encoder.)
• Incremental linear encoder (The signal resolution depends on the incremental linear encoder or Serial Converter Unit.) |
Environ- mental Conditions Surrounding Air Temperature | -5°C to 55°C
With derating, usage is possible between 55°C and 60°C. Refer to the following section for derating specifications. Derating Specifications (page 230) |
Storage Tempera- ture | -20°C to 85°C |
| Surrounding Air Humidity | 95% relative humidity max. (with no freezing or condensation) |
| Storage Humidity | 95% relative humidity max. (with no freezing or condensation) |
| Vibration Resistance | 4.9 m/s2 |
| Shock Resistance | 19.6 m/s2 |
| Degree of Protection | IP20 |
| Pollution Degree | 2
• Must be no corrosive or flammable gases. • Must be no exposure to water, oil, or chemicals. • Must be no dust, salts, or iron dust. |
Altitude | 1,000 m or less.
With derating, usage is possible between 1,000 m and 2,000 m. Refer to the following section for derating specifications. Derating Specifications (page 230) |
Others | Do not use the SERVOPACK in the following locations: Locations subject to static electricity noise, strong electromagnetic/magnetic fields, or radioactivity |
Applicable Standards | UL 61800-5-1, CSA C22.2 No.274, EN50178, EN 61800-5-1, EN 55011 group 1 class A, EN 61000-6-2, EN 61000-6-4,
and EN 61800-3 |
| Mounting | Base-mounted or rack-mounted |
Speed Control Range | 1:5000 (At the rated torque, the lower limit of the speed control range must not cause the Servo Motor to stop.) |
Coefficient of Speed Fluctuation* | ±0.01% of rated speed max. (for a load fluctuation of 0% to 100%) |
| 0% of rated speed max. (for a voltage fluctuation of ±10%) |
| ±0.1% of rated speed max. (for a temperature fluctuation of 25°C
±25°C) |
Torque Control Pre- cision (Repeatability) | ±1% |
Soft Start Time Setting | 0 s to 10 s (Can be set separately for acceleration and deceleration.) |
