Description

The TOSHIBA ARND-3119 A6 (2N3A3119-B) is a high-performance AC servo drive engineered for precision motion control in industrial automation. Part of Toshiba’s advanced ARND-G9 series, this 11 kW drive integrates cutting-edge power electronics and real-time communication to deliver dynamic torque response for demanding applications. Designed to pair with Toshiba SGMGV series servo motors, the ARND-3119 A6 enables closed-loop control of velocity, position, and torque with sub-millisecond synchronization.

Its core function lies in converting 3-phase AC power into precisely regulated motor currents while executing complex motion profiles via MECHATROLINK-III networks. Positioned for heavy machinery automation, the drive supports multi-axis synchronization, electronic gearing, and vibration suppression algorithms. The TOSHIBA ARND-3119 A6 is indispensable in systems requiring high torque density and safety-certified operation, bridging PLC commands with electromechanical execution in robotics, CNC, and high-speed production lines.

Core Advantages and Technical Highlights

Precision Motion Control

Leveraging 32-bit RISC processors and Field-Oriented Control (FOC), the TOSHIBA ARND-3119 A6 achieves ±0.01% speed regulation accuracy and 0.001° position resolution. Adaptive vibration suppression dynamically compensates for mechanical resonance, critical in long-stroke gantries or gear-driven systems.

Robust Power Architecture

With 78 A peak current capability (300% overload for 3 sec), the drive accelerates high-inertia loads effortlessly. Silicon Carbide (SiC) power devices minimize switching losses, enabling 95% efficiency even at partial loads. Regenerative energy management reduces braking resistor dependency.

Integrated Safety & Diagnostics

Certified for SIL 3/PLe safety, the ARND-3119 A6 features STO (Safe Torque Off), SS1 (Safe Stop 1), and dual-channel monitoring. Real-time diagnostics track IGBT temperature, capacitor health, and load duty cycle via Toshiba’s DriveNavigator software.

Seamless Connectivity

Native MECHATROLINK-III support enables ≤0.44 ms cycle times for 16 axes. RS-485 ports facilitate Modbus integration with PLCs/HMIs. Automatic motor parameter identification simplifies commissioning with SGMGV motors.

Environmental Ruggedness

Conformal-coated PCBs resist humidity/dust. Operating at 55°C with derating ensures reliability in unregulated electrical panels. Low acoustic noise (<65 dB) suits human-machine collaborative spaces.

Typical Application Scenarios

The TOSHIBA ARND-3119 A6 (2N3A3119-B) excels in high-torque, precision-critical automation:

Robotic Welding Lines: Drives 20–50 kg payload articulated robots, synchronizing motion paths with <0.1 mm repeatability. Safety functions enable collaborative cell operation.

Metal Stamping Presses: Delivers peak torque for eccentric press rams (500–800 ton), with regenerative braking capturing deceleration energy. Vibration control protects dies.

Printing Machinery: Synchronates multiple print cylinders via MECHATROLINK-III, maintaining registration at 300+ m/min speeds.

Semiconductor Handling: Powers vacuum arm actuators in wafer transport systems, utilizing SIL 3 safety for collision prevention in cleanrooms.

Injection Molding: Controls screw-rotation servos for precise metering (±0.5% shot weight consistency) with 55°C ambient tolerance near ovens.

TOSHIBA ARND-3119 A6 2N3A3119-B

Related Model Recommendations

SGMGV-55A6C6S: 11 kW servo motor (3,000 rpm, 60 Nm) – ideal mechanical match for the ARND-3119 A6.

ARND-3120 A6: 15 kW drive – higher-power sibling for scaling systems.

ARND-3118 A6: 7.5 kW drive – lower-power option for auxiliary axes.

TS5000-PG-M3: MECHATROLINK-III motion controller – master for ARND-3119 A6 multi-axis networks.

TOSVERT VF-AS1: Toshiba VFD – complements the ARND-3119 A6 for non-servo conveyors/pumps.

SGMGV-44A6C6S: 7.5 kW motor – alternative for lighter loads with the same drive.

ARND-RB4K: 4 kW regenerative resistor – extends braking capability for high-duty cycles.

Installation, Commissioning and Maintenance Instructions

Installation Preparation: Verify input voltage matches drive rating (380–480 V AC ±10%). Allow ≥100 mm clearance around heat sinks. Use 95 mm² shielded power cables (torque terminals to 2.0 N·m). Ground drive chassis directly to PE busbar (R < 0.1 Ω). Isolate control wiring from power lines. For the ARND-3119 A6, install external EMI filter (e.g., SCHAFFNER FN3280) in noisy environments.

Maintenance Suggestions: Quarterly, inspect cooling fans and clean heat sinks with dry air. Annually, measure DC bus capacitor ESR using Toshiba’s diagnostic toolkit. Monitor DriveNavigator software for predictive alerts on bearing currents or IGBT stress. Replace cooling fans every 50,000 hours. After 10 years, proactively swap electrolytic capacitors. Always disconnect mains power for 10+ minutes before servicing due to stored DC bus energy.