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1. FUNCTIONS AND CONFIGURATION
1.3 Servo amplifier standard specifications
Servo Amplifier
MR-J2S-
Item
10A 20A 40A 60A 70A 100A 200A 350A 500A 700A 11KA 15KA 22KA 10A1 20A1 40A1
Voltage/frequency
3-phase 200 to 230VAC,
50/60Hz or 1-phase
230VAC, 50/60Hz
3-phase 200 to 230VAC, 50/60Hz
1-phase 100 to
120VAC
50/60Hz
Permissible voltage fluctuation
3-phase 200 to 230VAC:
170 to 253VAC
1-phase 230VAC: 207 to
253VAC
3-phase 170 to 253VAC
1-phase
85 to 127VAC
Permissible frequency fluctuation Within 5%
Power supply capacity Refer to Section12.2
Power supply
Inrush current Refer to Section 12.5
Control system Sine-wave PWM control, current control system
Dynamic brake Built-in External option Built-in
Protective functions
Overcurrent shut-off, regenerative overvoltage shut-off, overload shut-off (electronic
thermal relay), servo motor overheat protection, encoder error protection, regenerative
brake error protection, undervoltage, instantaneous power failure protection, overspeed
protection, excessive error protection
Max. input pulse frequency 500kpps (for differential receiver), 200kpps (for open collector)
Command pulse multiplying factor Electronic gear A:1 to 65535 131072 B:1 to 65535, 1/50 A/B 500
In-position range setting 0 to 10000 pulse (command pulse unit)
Error excessive (Note) 2.5 revolutions
Position control mode
Torque limit Set by parameter setting or external analog input (0 to 10VDC/maximum torque)
Speed control range Analog speed command 1: 2000, internal speed command 1: 5000
Analog speed command input 0 to 10VDC / Rated speed
Speed fluctuation ratio
0.01% or less (load fluctuation 0 to 100%)
0% or less (power fluctuation
10%)
0.2% max.(ambient temperature 25 10 ) for external speed setting only
Speed control mode
Torque limit Set by parameter setting or external analog input (0 to 10VDC/maximum torque)
Analog torque command input 0 to 8VDC / Maximum torque (input impedance 10 to 12k )
Torque
control
mode
Speed limit Set by parameter setting or external analog input (0 to
10VDC/Rated speed)
Structure Self-cooled, open (IP00) Force-cooling, open (IP00)
Self-cooled,
open(IP00)
[ ]0 to 55 (non-freezing)
Operation
[
] 32 to 131 (non-freezing)
[ ] 20 to 65 (non-freezing)
Ambient
temperature
Storage
[
] 4 to 149 (non-freezing)
Operation
Ambient
humidity
Storage
90%RH or less (non-condensing)
Ambient
Indoors (no direct sunlight)
Free from corrosive gas, flammable gas, oil mist, dust and dirt
Altitude Max. 1000m (3280ft) above sea level
5.9 [m/s
2
] or less
Environment
Vibration
19.4 [ft/s
2
] or less
[kg] 0.7 0.7 1.1 1.1 1.7 1.7 2.0 2.0 4.9 15 16 16 20 0.7 0.7 1.1
Mass
[lb] 1.5 1.5 2.4 2.4 3.75 3.75 4.4 4.4 10.8 33.1 35.3 35.3 44.1 1.5 1.5 2.4
Note. The error excessive detection for 2.5 revolutions is available only when the servo amplifier of software version B0 or later is
used. When the software version is earlier than B0, the error excessive detection level of that servo amplifier is
10 revolutions.