Optimizing motion precision in high-torque industrial applications, the Mitsubishi Electric MR-J2S-500A serves as a high-performance, 3-phase digital servo drive within the legacy MELSERVO J2-Super Series platform. Engineered for highly dynamic operations, this 5.0 kW rated output amplifier utilizes sinusoidal PWM control with a real-time current control system to govern position, speed, and torque. By featuring automatic motor recognition and an absolute position detection interface, the MR-J2S-500A reduces commissioning overhead while maintaining exceptional synchronization fidelity across multiaxial machinery configurations.
| Specification Parameter | Value / Rating |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Designation | MR-J2S-500A |
| Product Series | MELSERVO J2-Super Series |
| Rated Output Power | 5.0 kW |
| Input Voltage / Phase | 3-Phase 200 to 230 V AC, 50/60 Hz |
| Permissible Voltage Fluctuation | 3-Phase 170 to 253 V AC |
| Permissible Frequency Fluctuation | Within +/- 5% |
| Control System | Sinusoidal PWM control, current control system |
| Dynamic Brake Option | Built-in |
| Cooling Method | Forced Air Cooling (Internal Fan) |
| Operating Temperature Range | 0 to 55 degC (non-freezing) |
| Storage Temperature Range | -20 to 65 degC (non-freezing) |
| Permissible Humidity | 90% RH maximum (non-condensing) |
| Country of Origin | Japan |
| Shipping Weight (Calculated) | 6.0 kg |
| Package Dimensions (Calculated) | 380 mm x 280 mm x 150 mm |
| Terminal / Port | Functional Circuit Assignment |
|---|---|
| L1, L2, L3 | Main circuit power supply input (3-phase 200-230 V AC) |
| L11, L21 | Control circuit power supply input (single-phase 200-230 V AC) |
| U, V, W | 3-phase servo motor power output (Do not connect main AC power) |
| P, C, D | Connections for internal or external regenerative brake option |
| CN1A / CN1B | Control signal connectors (digital inputs/outputs, pulse train, analog reference) |
| CN2 | High-resolution serial encoder interface feedback connector |
| PE (Ground Symbol) | Protective Earth ground terminals (dual-screw configuration) |
The MR-J2S-500A functions as the standard direct upgrade replacement for legacy MR-J2-500A amplifiers. When upgrading a system from MR-J2 to MR-J2S, verify that the encoder feedback resolution profile on the associated servo motor aligns. J2-Super series motors utilize a 131,072 pulses/revolution absolute encoder, which may necessitate firmware and scaling adjustments in older CNC controller platforms or positioning logic modules.
A common issue encountered on heavy inertia loads with the MR-J2S-500A is the AL.30 (Regenerative Overvoltage) fault code during sharp deceleration ramps. The built-in regenerative brake resistor is designed for transient duty cycles. If AL.30 is triggered, calculate the regenerative energy feedback. For continuous cyclic decelerations, wire an external high-capacity regenerative resistor across terminals P and C, and ensure the corresponding parameter is configured to bypass the internal resistor capacity.
For electrical noise prevention, use twisted-pair shielded cables for control signal inputs CN1A and CN1B, keeping the shield grounded at the amplifier end. Avoid routing the main 3-phase power input lines (L1/L2/L3) in the same duct as the low-voltage feedback lines (CN2). Running the encoder feedback lines alongside output lines (U/V/W) without appropriate shielding degrades serial communication integrity and triggers AL.20 (Encoder Communication Error).
CRITICAL WARNING: HIGH VOLTAGE RISK
Ensure all main AC power and control line power sources are fully disconnected before beginning installation. Allow a minimum of 15 minutes after power-down to let internal DC link bus capacitors discharge. Confirm that the charge LED indicator on the front panel is completely extinguished before handling terminal wiring or testing terminal voltage levels.
Global Express Shipping
Returns & Warranty
Manufacturer: Mitsubishi Electric
Product No.: MR-J2S-500A
Country of origin:United States
Product Type: Servo Amplifier Modules
Payment: T/T, Western Union
Weight: 500g
Dimensions: 380 mm x 280 mm x 150 mm
Shipping port: Xiamen
Warranty: 12 months
Optimizing motion precision in high-torque industrial applications, the Mitsubishi Electric MR-J2S-500A serves as a high-performance, 3-phase digital servo drive within the legacy MELSERVO J2-Super Series platform. Engineered for highly dynamic operations, this 5.0 kW rated output amplifier utilizes sinusoidal PWM control with a real-time current control system to govern position, speed, and torque. By featuring automatic motor recognition and an absolute position detection interface, the MR-J2S-500A reduces commissioning overhead while maintaining exceptional synchronization fidelity across multiaxial machinery configurations.
| Specification Parameter | Value / Rating |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Designation | MR-J2S-500A |
| Product Series | MELSERVO J2-Super Series |
| Rated Output Power | 5.0 kW |
| Input Voltage / Phase | 3-Phase 200 to 230 V AC, 50/60 Hz |
| Permissible Voltage Fluctuation | 3-Phase 170 to 253 V AC |
| Permissible Frequency Fluctuation | Within +/- 5% |
| Control System | Sinusoidal PWM control, current control system |
| Dynamic Brake Option | Built-in |
| Cooling Method | Forced Air Cooling (Internal Fan) |
| Operating Temperature Range | 0 to 55 degC (non-freezing) |
| Storage Temperature Range | -20 to 65 degC (non-freezing) |
| Permissible Humidity | 90% RH maximum (non-condensing) |
| Country of Origin | Japan |
| Shipping Weight (Calculated) | 6.0 kg |
| Package Dimensions (Calculated) | 380 mm x 280 mm x 150 mm |
| Terminal / Port | Functional Circuit Assignment |
|---|---|
| L1, L2, L3 | Main circuit power supply input (3-phase 200-230 V AC) |
| L11, L21 | Control circuit power supply input (single-phase 200-230 V AC) |
| U, V, W | 3-phase servo motor power output (Do not connect main AC power) |
| P, C, D | Connections for internal or external regenerative brake option |
| CN1A / CN1B | Control signal connectors (digital inputs/outputs, pulse train, analog reference) |
| CN2 | High-resolution serial encoder interface feedback connector |
| PE (Ground Symbol) | Protective Earth ground terminals (dual-screw configuration) |
The MR-J2S-500A functions as the standard direct upgrade replacement for legacy MR-J2-500A amplifiers. When upgrading a system from MR-J2 to MR-J2S, verify that the encoder feedback resolution profile on the associated servo motor aligns. J2-Super series motors utilize a 131,072 pulses/revolution absolute encoder, which may necessitate firmware and scaling adjustments in older CNC controller platforms or positioning logic modules.
A common issue encountered on heavy inertia loads with the MR-J2S-500A is the AL.30 (Regenerative Overvoltage) fault code during sharp deceleration ramps. The built-in regenerative brake resistor is designed for transient duty cycles. If AL.30 is triggered, calculate the regenerative energy feedback. For continuous cyclic decelerations, wire an external high-capacity regenerative resistor across terminals P and C, and ensure the corresponding parameter is configured to bypass the internal resistor capacity.
For electrical noise prevention, use twisted-pair shielded cables for control signal inputs CN1A and CN1B, keeping the shield grounded at the amplifier end. Avoid routing the main 3-phase power input lines (L1/L2/L3) in the same duct as the low-voltage feedback lines (CN2). Running the encoder feedback lines alongside output lines (U/V/W) without appropriate shielding degrades serial communication integrity and triggers AL.20 (Encoder Communication Error).
CRITICAL WARNING: HIGH VOLTAGE RISK
Ensure all main AC power and control line power sources are fully disconnected before beginning installation. Allow a minimum of 15 minutes after power-down to let internal DC link bus capacitors discharge. Confirm that the charge LED indicator on the front panel is completely extinguished before handling terminal wiring or testing terminal voltage levels.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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