Servo/Motion – MR-J3

Small, precise and user-friendly

The new MR-J3 generation of servo drives delivers state-of-the-art technology and simple operation in a very compact package. New functions like the advanced vibration suppression system and the further improved real-time autotuning ensure maximum precision, very short positioning times and simple installation. The new amplifiers are a full 40% slimmer than those of the MR-J2 Super series..

The MR-J3 series is available in two versions: The MR-J3-A models are suitable for drive systems with conventional control and are designed for regulating speed, torque and position control tasks. The MR-J3-B models are specified for complex, multi-axis movement sequences and for use in networked automation systems.

The units configure themselves by Plug & Play for Mitsubishi Electric's motion control and positioning control systems, to which they are connected via the high-speed optical SSCNET III network, which has a cycle period of just 0.44 milliseconds. The MR-J3 is currently available with outputs from 50W to 7kW. Units with higher outputs are being added to the range at regular intervals.

Highlights:

Product range

Servo Amplifiers
MR-J3-A/B
10A
10B
20A
20B
40A
40B
60A
60B
70A
70B
100A
100B
200A
200B
350A
350B
500A
500B
700A
700B
Power supply Voltage/frequency*   - 400V versions currently being prepared
A type 3-phase 200-230V AC, 50/60Hz, 1-phase 200-230V AC, 50/60Hz 3-phase 200-230V AC, 50/60Hz
B type 3-phase 200-230V AC, 50/60Hz, 1-phase 200-230V AC, 50/60Hz
Permissible voltage fluctuation C type 3-phase: 170-253V AC, 1-phase: 170-253V AC 3-phase 170-253V AC
B type 3-phase: 170-253V AC, 1-phase: 170-253V AC
Permissible frequency fluctuation Max. ±5%
Control state power supply Voltage/frequency 1-phase 170-253V AC, 50/60Hz (max. ±5% )
Power consumption (W) 30 45
Interface power supply A type 24V DC ±10% (max. 300mA)
B type 24V DC ±10% (max. 150mA)
Control system Sinusoidal PWM control / current control system
Dynamic brake Built-in
Protective functions Overcurrent shutdown, regeneration overvoltage shutdown, overload shutdown (electronic thermal relay), servo motor overheating protection, encoder fault protection, regeneration fault protection, undervoltage / sudden power outage protection, overspeed protection, excess error protection
Cooling / protection rating Self-cooling, open (IP00) Fan cooling, open (IP00)
Environment Ambient temperature Operation: 0-55°C (non-condensing);
Storage: -20-65 °C (non-condensing)
Relative humidity Operation: 90% RH max. (non-condensing);
Storage: 90% RH max. (non-condensing)
Elevation Max. 1000m above sea-level
Vibration Max. 5.9m/s² (0.6G)
Weight [kg] 0.8 0.8 1.0 1.0 1.4 1.4 2.3 2.3 4.6 6.2