Mitsubishi MR-J3-40B Servo Drive

Series#: Mitsubishi

Product Details

High-performance Mitsubishi SERVO DRIVE MR-J3-40B, rated at 400W for precision motion control applications.
Advanced sine-wave PWM control system for smooth, low-vibration servo motor operation.
Built-in dynamic brake for rapid and safe deceleration, enhancing system safety during emergency stops.
Supports multiple control modes: position, speed, and torque, with flexible analog and digital command inputs.
High-resolution encoder feedback at 262,144 pulses per revolution for ultra-precise positioning accuracy.
Robust safety features including overcurrent, overvoltage, overload, and encoder fault protection for uninterrupted industrial use.
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Specification

The Mitsubishi SERVO DRIVE MR-J3-40B is a compact, 400W AC servo amplifier engineered for demanding automation tasks in machine tools, packaging lines, and robotic systems. This drive delivers exceptional performance with a wide speed control range of 1:2000 (analog) and 1:5000 (internal), and supports electronic gear ratios from 1/10 to 2000 for flexible positioning. Its rugged design, with IP00 self-cooling open structure, ensures reliable operation in ambient temperatures from 0 to 55°C and humidity up to 90% RH. The MR-J3-40B is fully compatible with Mitsubishi’s MR-J3 series motors and encoders, offering seamless integration into existing systems. Below are the detailed technical specifications derived from the original factory data.

Parameter	Specification for MR-J3-40B
Rated Output Power	400W (0.4 kW)
Control System	Sine-wave PWM control / current control system
Main Power Supply	3-phase 200 to 230VAC 50/60Hz or 1-phase 200 to 230VAC 50/60Hz
Permissible Voltage Fluctuation	3-phase: 170 to 253VAC; 1-phase: 170 to 253VAC
Permissible Frequency Fluctuation	±5% maximum
Control Power Supply	1-phase 200 to 230VAC 50/60Hz
Interface Power Supply	24VDC ±10%, 300mA required capacity
Power Consumption	30W
Built-in Regenerative Resistor	10 ohms, 10W
Dynamic Brake	Built-in
Maximum Input Pulse Frequency	1 Mpps (differential receiver), 200 kpps (open collector)
Positioning Feedback Pulse	262,144 pulses per motor revolution (encoder resolution)
Command Pulse Multiple (Electronic Gear)	A: 1 to 1,048,576; B: 1 to 1,048,576; Ratio 1/10 < A/B < 2000
Positioning Complete Width	0 to ±10,000 pulses (command pulse unit)
Excess Error Setting	±3 rotations
Torque Limit	Set via parameters or external analog input (0 to +10VDC / maximum torque)
Speed Control Range	Analog: 1:2000; Internal: 1:5000
Analog Speed Command Input	0 to ±10VDC / rated speed (adjustable via parameter PC12)
Speed Fluctuation Rate	±0.01% max (load 0-100%); 0% (power ±10%); ±0.2% max (ambient 25°C±10°C)
Torque Control Mode	Analog torque command 0 to ±8VDC / maximum torque (input impedance 10-12 kΩ)
Speed Limit in Torque Mode	Set via parameters or external analog input (0 to ±10VDC / rated speed)
Safety Features	Overcurrent, regeneration overvoltage, overload (electronic thermal), motor overheat, encoder fault, regeneration fault, undervoltage/sudden power outage, overspeed, excess error protection
Structure / Cooling	Self-cooling open (IP00)
Ambient Temperature	Operating: 0 to 55°C (32 to 131°F); Storage: -20 to 65°C (-4 to 149°F)
Ambient Humidity	Operating & Storage: 90% RH max (non-condensing)
Atmosphere	Indoors, no direct sunlight; free from corrosive gas, inflammable gas, oil mist, or dust
Elevation	1000m or less above sea level
Vibration Resistance	5.9 m/s² maximum
Weight	1.0 kg (2.2 lb)