First TwinCAT PLC Project on a Beckhoff IPC
Build and verify a first TwinCAT PLC project on a Beckhoff IPC. This checklist covers target selection, EtherCAT discovery, I/O mapping, safe activation, restart tests, and commissioning records.
Manufacturer: Mitsubishi Electric
Product No.: MR-J4-500A
Country of origin:United States
Product Type: Servo Amplifiers
Payment: T/T, Western Union
Weight: 0g
Shipping port: Xiamen
Warranty: 12 months
Providing high-performance motion control within modern automation architectures, the Mitsubishi Electric MR-J4-500A operates as a highly reliable 1-axis servo amplifier. This general-purpose unit integrates seamlessly with diverse motion control networks using pulse train or analog voltage commands. Designed for the MELSERVO-J4 series, it provides high-resolution 22-bit encoder feedback, superior positioning accuracy, and 5.0 kW rated output. The integrated Safe Torque Off (STO) safety functions and advanced auto-tuning vibration filters ensure safe, smooth, and highly efficient industrial operation.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Identifier | MR-J4-500A |
| Series Name | MELSERVO-J4 Series |
| Command Interface | General-purpose interface (Pulse Train / Analog Command) |
| Motor Rated Output | 5.0 kW |
| Output Rated Voltage | Three-phase AC170 V |
| Output Rated Current | 28.0 A |
| Main Circuit Power Input | Three-phase AC200 V to 240 V, 50 Hz / 60 Hz |
| Main Circuit Rated Current | 21.7 A |
| Control Circuit Power Input | Single-phase AC200 V to 240 V, 50 Hz / 60 Hz |
| Control Circuit Rated Current | 0.3 A |
| Control Circuit Power Consumption | 45 W |
| Interface Power Supply Requirement | DC24 V (±10%), required current capacity 0.5 A (including CN8) |
| Control System | Sinusoidal wave PWM control and current control system |
| Dynamic Brake | Built-in |
| Regenerative Resistor Capacity | Built-in (130 W) |
| Communication Functions | USB connection (to PC), RS-422 / RS-485 (up to 32 axes) |
| Safety Certification Standards | EN ISO 13849-1 Category 3 PL e, IEC 61508 SIL 3, EN 62061 SIL CL 3, EN 61800-5-2 |
| Enclosure Rating | IP20 (Open, force-cooled) |
| Ambient Operating Temperature | 0 degC to 55 degC (non-freezing) |
| Ambient Operating Humidity | 90% RH or less (non-condensing) |
| Net Mass | 4.0 kg |
| Shipping Weight (Calculated) | 5.0 kg |
| Connector/Terminal | Function / Assignment |
|---|---|
| CN1 | I/O signal interface (analog control commands, digital inputs/outputs) |
| CN2 | Encoder connection (serial communication feedback interface) |
| CN3 | RS-422 serial communication interface / PC setup utility interface |
| CN8 | Safe Torque Off (STO) functional safety connection |
| L1 / L2 / L3 | Three-phase AC power supply input terminals |
| L11 / L21 | Control circuit power supply input terminals |
| U / V / W | Servo motor main power outputs (must match motor phase sequence) |
The general-purpose MR-J4-500A serves as a replacement for legacy MR-J3-500A modules. Note that parameters, terminal block pinouts, and physical depth measurements differ. Use MR Configurator2 to convert legacy MR-J3 parameter files to the newer J4 format before attempting download. Additionally, ensure the encoder resolution parameter corresponds to the correct motor series, as J4-series drives require 22-bit high-resolution motor feedback.
This 5.0 kW servo amplifier generates substantial heat under full dynamic duty cycles. When installing multiple units, maintain a horizontal distance of at least 10 mm between adjacent drives and 40 mm clearance above and below the cooling fans. Failure to maintain adequate airflow can trigger AL 30 (Regenerative Error) or AL 50 (Overload) faults. If high duty cycle acceleration/deceleration sequences are required, use an external, higher capacity regenerative resistor instead of relying on the integrated 130 W resistor.
For configurations that do not utilize the Safe Torque Off safety function, the short-circuit connector supplied with the unit must remain firmly seated in the CN8 connector. Leaving this port disconnected will lock the drive in a safe state, displaying safety interlock errors. Always route the motor encoder cable in a separate, shielded conduit away from the main power lines (U, V, W) and the incoming AC power lines to avoid AL 16 (Encoder communication error) caused by electromagnetic noise interference.
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Returns & Warranty
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| Country of origin |
United States
|