Drive unit model |
MR-J3-DU30KA |
MR-J3-DU37KA |
Output |
Rated voltage |
3-phase 170VAC |
Rated current (A) |
174 |
204 |
Main circuit power supply |
The drive unit’s main circuit power is supplied from the converter unit. |
Control circuit power supply |
Voltage/frequency |
1-phase 200 to 230VAC 50/60Hz |
Rated current (A) |
0.3 |
Permissible voltage fluctuation |
1-phase 170 to 253VAC |
Permissible frequency fluctuation |
±5% maximum |
Power consumption (W) |
45 |
Interface power supply |
24VDC ±10% (required current capacity: 0.3A (Note 3)) |
Control system |
Sine-wave PWM control/current control system |
Dynamic brake |
External option (Note 4) |
Safety features |
Overcurrent shutdown, overload shutdown (electronic thermal), servo motor overheat protection, encoder fault protection, undervoltage/sudden power outage protection, overspeed protection, excess error protection |
Position control mode |
Maximum input pulse frequency |
1Mpps (when using differential receiver), 200kpps (when using open collector) |
Positioning feedback pulse |
Encoder resolution: 262144 p/rev |
Command pulse multiple |
Electronic gear A/B multiple, A: 1 to 1048576, B: 1 to 1048576, 1/10 < A/B < 2000 |
Positioning complete width setting |
0 to ±65535 pulses (command pulse unit) |
Excess error |
±3 rotations |
Torque limit |
Set by parameters or external analog input (0 to +10VDC/maximum torque) |
Speed control mode |
Speed control range |
Analog speed command 1:2000, internal speed command 1:5000 |
Analog speed command input |
0 to ±10VDC/rated speed (possible to change the speed in 10V using parameter No. PC12.) |
Speed fluctuation rate |
±0.01% maximum (load fluctuation 0 to 100%), 0% (power fluctuation±10%)
±0.2% maximum (ambient temperature 25°C±10°C (59°F to 95°F)), when using analog speed command |
Torque limit |
Set by parameters or external analog input (0 to +10VDC/maximum torque) |
Torque control mode |
Analog torque command input |
0 to ±8VDC/maximum torque (input impedance 10 to 12kΩ) |
Speed limit |
Set by parameters or external analog input (0 to ±10VDC/rated speed) |
Structure (IP rating) |
Fan cooling open (IP00) |
Mass (kg [lb]) |
26 (57) |
Converter unit model |
MR-J3-CR55K |
Output |
Rated voltage |
283 to 326VDC |
Rated current (A) |
215.9 |
Main circuit power supply |
Voltage/frequency (Note 1, 2) |
3-phase 200 to 230VAC 50/60Hz |
Rated current (A) |
251.1 |
Permissible voltage fluctuation |
3-phase 170 to 253VAC |
Permissible frequency fluctuation |
±5% maximum |
Control circuit power supply |
Voltage/frequency |
1-phase 200 to 230VAC 50/60Hz |
Rated current (A) |
0.3 |
Permissible voltage fluctuation |
1-phase 170 to 253VAC |
Permissible frequency fluctuation |
±5% maximum |
Power consumption (W) |
45 |
Interface power supply |
24VDC ±10% (required current capacity: 0.13A (Note 3)) |
Safety features |
Regeneration overvoltage shutdown, regeneration fault protection, overload shutdown (electronic thermal), undervoltage/sudden power outage protection |
Structure (IP rating) |
Fan cooling open (IP00) |
Mass (kg [lb]) |
25 (55) |
Environment |
Ambient temperature |
0 to 55°C (32 to 131°F) (non freezing), storage: -20 to 65°C (-4 to 149°F) (non freezing) |
Ambient humidity |
90% RH maximum (non condensing), storage: 90% RH maximum (non condensing) |
Atmosphere |
Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist or dust |
Elevation |
1000m or less above sea level |
Vibration |
5.9m/s2 or less at 10 to 55Hz (directions of X, Y and Z axes) |