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AC Servos-MELSERVO MR-J4-70A-RJ
| Series | MELSERVO-J4 series |
| Power class | 200 V AC |
| Model name | MR-J4-70A-RJ |
| Capacity [kW] | 0.75 |
| Command interface | General-Purpose Interface |
| Output - Rated voltage | 3-phase 170 V AC |
| Output - Rated current [A] | 5.8 |
| Main circuit power supply input - Voltage/frequency *1 - AC input | 3-phase or 1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz |
| Main circuit power supply input - Voltage/frequency *1 - DC input *3 | 283 V DC to 340 V DC |
| Main circuit power supply input - Rated current [A] *4 | 3.8 |
| Main circuit power supply input - Permissible voltage fluctuation - AC input | 3-phase or 1-phase 170 V AC to 264 V AC |
| Main circuit power supply input - Permissible voltage fluctuation - DC input *3 | 241 V DC to 374 V DC |
| Main circuit power supply input - Permissible frequency fluctuation | ±5 % maximum |
| Control circuit power supply input - Voltage/frequency - AC input | 1-phase 200 V AC to 240 V AC, 50 Hz/60 Hz |
| Control circuit power supply input - Voltage/frequency - DC input *3 | 283 V DC to 340 V DC |
| Control circuit power supply input - Rated current [A] | 0.2 |
| Control circuit power supply input - Permissible voltage fluctuation - AC input | 1-phase 170 V AC to 264 V AC |
| Control circuit power supply input - Permissible voltage fluctuation - DC input *3 | 241 V DC to 374 V DC |
| Control circuit power supply input - Permissible frequency fluctuation | ±5 % maximum |
| Control circuit power supply input - Power consumption [W] | 30 |
| Interface power supply | 24 V DC ± 10 % (required current capacity: 0.5 A (including CN8 connector signals)) |
| Control method | Sine-wave PWM control/current control method |
| Permissible regenerative power - Built-in regenerative resistor [W] *5 *6 | 20 |
| Permissible regenerative power - External regenerative resistor (standard accessory) [W] *5 *6 *7 *8 | - |
| Dynamic brake *9 | Built-in |
| Communication function | USB: Connect a personal computer (MR Configurator2 compatible) RS-422/RS-485: 1:n communication (up to 32 axes) *11 |
| A/B/Z-phase pulse output | Compatible |
| Analog monitor | 2 channels |
| Position control mode - Maximum input pulse frequency | 4 Mpulses/s (when using differential receiver), 200 kpulses/s (when using open collector) |
| Position control mode - Positioning feedback pulse | Encoder resolution: 22 bits |
| Position control mode - Command pulse multiplying factor | Electronic gear A/B multiple, A: 1 to 16777215, B: 1 to 16777215, 1/10 |
| Position control mode - In-position range setting | 0 pulse to ±65535 pulses (command pulse unit) |
| Position control mode - Error excessive | ±3 rotations |
| Position control mode - Torque limit | Set by parameters or external analog input (0 V DC to +10 V DC/maximum torque) |
| Speed control mode - Speed control range | Analog speed command 1:2000, internal speed command 1:5000 |
| Speed control mode - Analog speed command input | 0 V DC to ±10 V DC/rated speed (Speed at 10 V is changeable with [Pr. PC12].) |
| Speed control mode - Speed fluctuation rate | ±0.01 % maximum (load fluctuation: 0 % to 100 %), 0 % (power fluctuation: ±10 %) ±0.2 % maximum (ambient temperature: 25 °C ± 10 °C) only when using analog speed command |
| Speed control mode - Torque limit | Set by parameters or external analog input (0 V DC to +10 V DC/maximum torque) |
| Torque control mode - Analog torque command input | 0 V DC to ±8 V DC/maximum torque (input impedance: 10 kΩ to 12 kΩ) |
| Torque control mode - Speed limit | Set by parameters or external analog input (0 V DC to ± 10 V DC/rated speed) |
| Positioning mode *12 | Point table method, program method, indexer method |
| Fully closed loop control | Two-wire/four-wire type communication method |
| Load-side encoder interface | Mitsubishi Electric high-speed serial communication, A/B/Z-phase differential input signal |
| Servo functions | Advanced vibration suppression control II, adaptive filter II, robust filter, auto tuning, one-touch tuning, tough drive function, drive recorder function, machine diagnosis function, power monitoring function, super trace control *13 , lost motion compensation function *13 |
| Protective functions | Overcurrent shut-off, regenerative overvoltage shut-off, overload shut-off (electronic thermal), servo motor overheat protection, encoder error protection, regenerative error protection, undervoltage protection, instantaneous power failure protection, overspeed protection, error excessive protection |
| Safety sub-function | STO (IEC/EN 61800-5-2) |
| Safety performance - Satisfied standards *14 | EN ISO 13849-1:2015 Category 3 PL e, IEC 61508 SIL 3, EN 62061 SIL CL 3, EN 61800-5-2 |
| Safety performance - Response performance | 8 ms or less (STO input OFF → energy shut-off) |
| Safety performance - Test pulse input (STO) *15 | Test pulse interval: 1 Hz to 25 Hz, test pulse off time: 1 ms maximum |
| Safety performance - Mean time to dangerous failure (MTTFd) | MTTFd ≥ 100 [years] (314a) |
| Safety performance - Diagnostic coverage (DC) | DC = Medium, 97.6 [%] |
| Safety performance - Probability of dangerous Failure per Hour (PFH) | PFH = 6.4 × 10 -9 [1/h] |
| Satisfied standards | Refer to " Standards and certifications (by product) Products " for compliance with global standards and regulations. |
| Structure (IP rating) | Force cooling, open (IP20) |
| Close mounting - 3-phase power supply input | Possible *17 |
| Close mounting - 1-phase power supply input | Possible *17 |
| Environment - Ambient temperature - Operation | 0 °C to 55 °C (non-freezing) |
| Environment - Ambient temperature - Storage | -20 °C to 65 °C (non-freezing) |
| Environment - Ambient humidity | Operation/storage: 5 %RH to 90 %RH (non-condensing) |
| Environment - Ambience | Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist or dust |
| Environment - Altitude | 2000 m or less above sea level *18 |
| Environment - Vibration resistance - | 5.9 m/s 2 at 10 Hz to 55 Hz (directions of X, Y, and Z axes) |
| Mass [kg] | 1.4 |
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Normal delivery takes 2–6 business days subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
