Instruction manual

1 - 4
1. FUNCTIONS AND CONFIGURATION
1.3 Servo amplifier standard specifications
Servo Amplifier
MR-J3-
Item
10A 20A 40A 70A 100A 200A 350A 500 A 700 A 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 100V 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 132VAC
Permissible frequency fluctuation Within 5%
Power supply capacity Refer to Section 11.2
Power supply
Inrush current Refer to Section 11.5
Voltage, frequency 1-phase 200 to 230VAC, 50/60Hz
1-phase 100 to
120VAC, 50/60Hz
Permissible voltage
fluctuation
1-phase 170 to 253VAC 1-phase 85 to 132VAC
Permissible frequency
fluctuation
Within
5%
Input 30W 45W 30W
Control circuit
power supply
Inrush current Refer to Section 11.5
Voltage, frequency DC24V 10%
Interface power
supply
Power supply capacity (Note 1) 300mA or more
Control System Sine-wave PWM control, current control system
Dynamic brake 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 1Mpps (for differential receiver), 200kpps (for open collector)
Command pulse multiplying factor Electronic gear A:1 to 1048576
,
B:1 to 1048576, 1/10 A/B 2000
In-position range setting 0 to 10000 pulse (command pulse unit)
Error excessive 3 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)
[ ] (Note 2) 0 to 55 (non-freezing)
During
operation
[
] 32 to 131 (non-freezing)
[ ] 20 to 65 (non-freezing)
Ambient
temperature
In storage
[
] 4 to 149 (non-freezing)
In operation
Ambient
humidity
In 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] 0.8 0.8 1.0 1.4 1.4 2.3 2.3 4.6 6.2 0.8 0.8 1.0
Mass
[lb] 1.8 1.8 2.2 3.1 3.1 5.071 5.071 10.1 13.7 1.8 1.8 2.2
Note 1. 300mA is the value applicable when all I/O signals are used. The current capacity can be decreased by reducing the number of
I/O points.
2. When mounting the servo amplifiers closely, operate them at the ambient temperatures of 0 to 45
or at 75% or a smaller
effective load ratio.