General Specifications; Σ-7W - YASKAWA SERVOPACK Sigma 7W Series Product Manual

2.1 General Specifications

2.1.1 Σ-7W
2.1

General Specifications

This section gives the general specifications of SERVOPACKs.
Specifications that are indicated by
tion.
Σ -7W
2.1.1
Control Method
Feedback
Environ-
mental
Conditions
Applicable Standards
Mounting
Perfor-
mance
2-2
Item
IGBT-based PWM control, sine wave current drive
Serial encoder: 20 bits or 24 bits (incremental encoder/absolute
With Rotary
Servomotor
• Absolute linear encoder (The signal resolution depends on the abso-
lute linear encoder.)
With Linear
• Incremental linear encoder (The signal resolution depends on the
Servomotor
incremental linear encoder or Serial Converter Unit.)
-5°C to 55°C
(With derating, usage is possible between 55°C and 60°C.)
Surrounding Air Tem-
Refer to the following manual for derating specifications.
perature
Storage Temperature -20°C to 85°C
Surrounding Air
95% relative humidity max. (with no freezing or condensation)
Humidity
Storage Humidity 95% relative humidity max. (with no freezing or condensation)
Vibration Resistance
4.9 m/s
Shock Resistance
19.6 m/s
Degree of Protection IP20
2
• Must be no corrosive or flammable gases.
Pollution Degree
• Must be no exposure to water, oil, or chemicals.
• Must be no dust, salts, or iron dust.
1,000 m max.
(With derating, usage is possible between 1,000 m and 2,000 m.)
Altitude
Refer to the following manual for derating specifications.
Do not use the SERVOPACK in the following locations: Locations sub-
Others ject to static electricity noise, strong electromagnetic/magnetic fields, or
radioactivity
Refer to the following section for details.
Base-mounted
Note: Rack-mounted SERVOPACKs are not available.
1:5000 (At the rated torque, the lower limit of the speed control range
Speed Control Range
must not cause the Servomotor to stop.)
±0.01% of rated speed max. (for a load fluctuation of 0% to 100%)
0% of rated speed max. (for a load fluctuation of ±10%)
Coefficient of Speed
*1
Fluctuation
±0.1% of rated speed max. (for a temperature fluctuation of 25°C
±25°C)
Torque Control Preci-
±1%
sion (Repeatability)
Soft Start Time
0 s to 10 s (Can be set separately for acceleration and deceleration.)
Setting
are unique to the SERVOPACKs with the HWBB func-
Specification
encoder)
22 bits (absolute encoder)
Σ Σ
-7-Series -7W SERVOPACK with MECHATROLINK-III Communica-
tions References Product Manual (Manual No.: SIEP S800001 29)
2
2
Σ Σ
-7-Series -7W SERVOPACK with MECHATROLINK-III Communica-
tions References Product Manual (Manual No.: SIEP S800001 29)
Compliance with UL Standards, EU Directives, and Other Safety Stan-
dards on page xxviii
Continued on next page.