ST1.2 Series Product Manual, Rev. B
11
2.8
Environmental specifications
2.8.1
Ambient temperature
Ambient temperature is defined as the temperature of the environment immediately surrounding the drive.
Actual drive case temperature should not exceed
70°C (158°F) within the operating ambient conditions.
Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet.
2.8.2
Temperature gradient
2.8.3
Humidity
2.8.3.1
Relative humidity
2.8.3.2
Wet bulb temperature
[1]
Operating: Wet bulb temperature is calculated by the operating Temperature and the Relative Humidity levels.
[2]
Nonoperating: Wet bulb temperature is calculated by the nonoperating Temperature and the Relative Humidity levels.
2.8.4
Altitude
Operating
0° to 70°C (41° to 158°F) (70°C @ case temperature)
Nonoperating
–40° to 70°C (–40° to 153°F)
Operating
20°C per hour (68°F per hour max), without condensation
Nonoperating
30°C per hour (86°F per hour max), without condensation
Operating 5% to 90% noncondensing (30% per hour max)
Nonoperating 5% to 95% noncondensing (30% per hour max)
Operating 33°C (91.4°F max) [1]
Nonoperating 40°C (104°F max) [2]
Operating
–60.98 m to 3,048 m (–200 ft to 10,000+ ft)
Nonoperating
–60.98 to 12,192 m (–200 ft to 40,000+ ft)
Содержание ST64022CF
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