2.3 Specifications
2-5
2
SERVOPACK Ratings and Specications
2.3
Specifications
This section gives the specifications of SERVOPACKs.
Item Specification
Control Method IGBT-based PWM control, sine wave current drive
Feedback
With Rotary
Servomotor
Serial encoder: 17 bits (absolute encoder)
20 bits or 24 bits (incremental encoder/absolute
encoder)
22 bits (absolute encoder)
With Linear
Servomotor
• Absolute linear encoder (The signal resolution depends on the abso-
lute 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 manual for derating specifications.
Σ-7-Series Σ-7W SERVOPACK with MECHATROLINK-III Communica-
tions References Product Manual (Manual No.: SIEP S800001 29)
Storage Temperature -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/s
2
Shock Resistance
19.6 m/s
2
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 max. (With derating, usage is possible between 1,000 m and
2,000 m.)
Refer to the following manual for derating specifications.
Σ-7-Series Σ-7W SERVOPACK with MECHATROLINK-III Communica-
tions References Product Manual (Manual No.: SIEP S800001 29)
Others
Do not use the SERVOPACK in the following locations: Locations sub-
ject to static electricity noise, strong electromagnetic/magnetic fields, or
radioactivity
Applicable Standards
Refer to the following section for details.
Compliance with UL Standards and EU Directives on page xxvi
Mounting Base-mounted or rack-mounted
Perfor-
mance
Speed Control Range
1:5000 (At the rated torque, the lower limit of the speed control range
must not cause the Servomotor 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)
Torq ue Co n trol
Precision
(Repeatability)
±1%
Soft Start Time
Setting
0 s to 10 s (Can be set separately for acceleration and deceleration.)
Continued on next page.