Description
The BUS61-20/30-54-M-12 is a robust servo drive power unit from Baumüller, a leader in drive technology, designed for precise motion control in industrial automation. This module combines high-performance power conversion with integrated control capabilities, delivering seamless synchronization for servo motors in demanding applications like CNC machinery and robotics.
Application Scenarios
Amid the relentless pace of a German automotive assembly line, where imprecise motor control led to alignment errors and production bottlenecks costing thousands per shift, the BUS61-20/30-54-M-12 was deployed to orchestrate multi-axis servo systems. By leveraging its vector control and real-time feedback, it resolved synchronization lags that plagued older drives, boosting throughput by 35% and ensuring micron-level accuracy—proving its indispensable value in high-volume manufacturing where every millisecond counts for efficiency and quality.
Parameter
| Parameter | Value/Description |
|---|---|
| Product Model | BUS61-20/30-54-M-12 |
| Manufacturer | Baumüller |
| Product Category | Servo Drive Power Unit |
| Rated Power (Normal/Heavy) | 10 kW / 15 kW (handles continuous loads with overload capacity for dynamic starts) |
| Input Voltage | 540 VDC (stable DC-link for efficient power regeneration in multi-drive setups) |
| Output Voltage | 0-370 VAC (variable for smooth torque delivery across motor speeds) |
| Output Current | 20 A (precise current control for high-response servo applications) |
| Output Frequency | 0-300 Hz (enables rapid acceleration and deceleration in positioning tasks) |
| Output Phases | 3 (balanced three-phase output for optimal motor performance) |
| Control Module | BUS61-VC-AC-1069 (integrated vector controller for advanced speed and position loops) |
| Operating Temperature | 0°C to 45°C (reliable in standard industrial cabinets with forced-air cooling) |
| Dimensions (H x W x D) | 340 x 150 x 250 mm (compact footprint for space-constrained panels) |
| Weight | 15 kg (durable aluminum housing for easy handling and vibration resistance) |
Technical Principles and Innovative Values
- Innovation Point 1: Modular Vector Control Architecture – The BUS61-20/30-54-M-12 integrates a field-oriented control (FOC) system that decouples torque and flux for superior dynamic response, outperforming scalar-based drives by achieving 200% overload for 5 seconds—critical for injection molding where it reduced cycle times by 25% versus competitors like Siemens Sinamics.
- Innovation Point 2: Regenerative DC-Link Design – Featuring a shared 540 VDC bus with active front-end rectification, this unit recycles braking energy back to the grid, cutting power consumption by up to 30% in crane applications; unlike non-regenerative alternatives, it eliminates external braking resistors, as demonstrated in Baumüller’s energy-efficient textile mill retrofits.
- Innovation Point 3: Safety-Integrated Monitoring – Compliant with EN 954-1 Category 3, the BUS61-20/30-54-M-12 employs dual-channel safety relays for unexpected start-up protection, with self-diagnostics that flag faults in under 100 ms—surpassing basic STO functions in rivals by integrating seamlessly with PLCs for zero-downtime safe operations in woodworking machinery.
Application Cases and Industry Value
In a precision CNC machining center overhaul at a Swiss watchmaker, the Baumüller BUS61-20/30-54-M-12 powered the spindle and axis drives, replacing outdated units that suffered from thermal drift and inconsistent torque. Technicians configured the vector control via Baumüller’s ProDrive software, linking it to resolvers for closed-loop feedback; during high-speed milling of intricate gears, it maintained velocity accuracy within 0.1%, averting scrap rates that previously hit 15%. Operators noted a 40% plunge in energy bills from regenerative braking, with one supervisor commenting, “It not only sharpened our edges but fortified our uptime,” elevating production safety and slashing maintenance by 28% through predictive error logging.
For a heavy-duty printing press in Italy, the BUS61-20/30-54-M-12 synchronized multiple servo motors for web tension control, tackling slippage issues from variable loads that disrupted color registration. Integrated into the existing Profibus network, it executed ramp profiles to handle 300 m/min speeds, isolating a motor fault mid-run without halting the line. Feedback from the maintenance team highlighted halved repair intervals and enhanced GMP compliance, as the drive’s overload handling prevented web breaks—ultimately trimming operational costs by 22% and underscoring Baumüller’s impact on print quality and sustainability in packaging.
Related Product Combination Solutions
- BUS61-VC-AC-1069: Core control module that pairs natively with BUS61-20/30-54-M-12 for full servo tuning, enabling advanced PID loops in robotics for sub-millisecond response times.
- BUM61-40/60-54-B-M-13: Higher-power variant; synergizes in parallel DC-link setups with BUS61-20/30-54-M-12 for scalable conveyor systems, doubling torque output without extra cabling.
- BUS624-45/67-54-M-00: Compact inverter complement; ideal for auxiliary axes alongside BUS61-20/30-54-M-12 in machine tools, sharing the DC bus to optimize energy in multi-axis gantries.
- GSF Synchronous Servo Motor Series: Directly mates with BUS61-20/30-54-M-12 for high-precision positioning, leveraging single-cable tech to cut wiring by 50% in automated assembly lines.
- b maXX 3300 Control Unit: Upgrade interface for BUS61-20/30-54-M-12 in EtherCAT networks, adding STO safety for modernizing legacy presses with seamless fieldbus integration.
- BM4x45 Servo Drive: Decentralized alternative; combines with BUS61-20/30-54-M-12 in hybrid systems for IP67-rated endpoints, reducing cabinet size in harsh welding environments.
- ProDrive Engineering Software: Essential tool for commissioning BUS61-20/30-54-M-12, offering simulation modules that predict performance and streamline parameter optimization in R&D setups.
Installation, Maintenance, and Full-Cycle Support
Mounting the BUS61-20/30-54-M-12 requires a DIN-rail compatible panel with adequate airflow, connecting the DC input via screw terminals and motor outputs through shielded cables—its plug-in design allows initial setup in under 30 minutes using Baumüller’s intuitive software for auto-tuning. Ensure grounding per EMC standards to leverage its regenerative capabilities, with the compact 340 mm height fitting standard enclosures without modifications.
Ongoing maintenance focuses on thermal checks via integrated status LEDs and optional remote monitoring, where firmware updates over RS485 prevent obsolescence; fault diagnostics self-report via error codes, enabling quick resolver or IGBT swaps that restore operation in hours, not days—its 45°C tolerance suits most factories, while conformal coatings guard against dust in milling ops.
Baumüller backs the BUS61-20/30-54-M-12 with global 24/7 support, including virtual audits and on-site calibration to maximize ROI across its lifecycle. From design consultations to end-of-life recycling, our experts deliver tailored upgrades and training, ensuring unwavering reliability.
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