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MITSUBISHI CNC
2 - 20
2-4 Drive unit
2-4-1 Installation environment conditions
Common installation environment conditions for servo and spindle are shown below.
2-4-2 Servo drive unit
Environ-
ment
Ambient temperature
Operation: 0 to 55℃ (with no freezing), Storage / Transportation: -15℃ to 70 ℃ (with no freezing)
Ambient humidity
Operation: 90%RH or less (with no dew condensation)
Storage / Transportation: 90%RH or less (with no dew condensation)
Atmosphere
Indoors (no direct sunlight)
With no corrosive gas, inflammable gas, oil mist, dust or conductive fine particles
Altitude Operation/Storage: 1000 meters or less above sea level, Transportation: 13000 meters or less above sea level
Vibration/impact
4.9m/s
2
(0.5G) / 49m/s
2
(5G)
Servo drive unit MDS-D-SVJ3 Series
Servo drive unit type
MDS-D-SVJ3-
03NA 04NA 07NA 10NA 20NA 35NA
Rated output [kW] 0.3 0.4 0.7 1.0 2.0 3.5
Input
Rated voltage [V] 200AC (50Hz) / 200 to 230AC (60Hz) Tolerable fluctuation: between +10% and -15%
Frequency [Hz] 50/60 Tolerable fluctuation: between +5% and -5%
Rated current [A] 1.5 2.9 3.8 5.0 10.5 16.0
Output
Rated voltage [V] AC155
Rated current [A] 1.5 3.2 5.8 6.0 11.0 17.0
Control pow-
er
Voltage [V] 200AC (50Hz) / 200 to 230AC (60Hz) Tolerable fluctuation: between +10% and -15%
Frequency [Hz] 50/60 Tolerable fluctuation: between +5% and -5%
Maximum current [A] 0.2
Maximum rush current [A] 30
Maximum rush conductivity
time [ms]
6
Earth leakage current [mA] 1 (Max. 2)
Main circuit method Converter with resistor regeneration circuit
Control method Sine wave PWM control method
Braking
Regenerative braking and dynamic brakes
Dynamic brakes Built-in
External analog output 0 to +5V, 2ch (data for various adjustments)
Degree of protection Protection type (Protection method: IP20 [over all])
Cooling method Natural-cooling Forced wind cooling
Mass [kg] 0.8 1.0 1.4 2.3 2.3 2.3
Heat radiated at rated output [W] 25 35 50 90 130 195
Noise Less than 55dB
Unit outline dimension drawing J1 J2 J3 J4a J4a J4b
For outline dimension drawings, refer to "DRIVE SYSTEM DATA BOOK" (IB-1500273(ENG)).