REXROTH HMD01.1N-W0020-A-07-NNNN Double – axis inverter

Description

In industrial automation and motion control, where dual-axis systems must synchronize precisely to handle complex trajectories without inducing resonance, position errors, or thermal overloads that could cascade into production halts or machinery strain, engineers often grapple with inverters that demand separate enclosures or struggle with shared power distribution in space-constrained setups. The Bosch Rexroth HMD01.1N-W0020-A-07-NNNN confronts this as a compact double-axis inverter from the ctrlX DRIVE series, optimized for efficient, independent control of two servo motors in high-dynamic process environments. Envision a printing press registering colors across multiple cylinders or a CNC router executing simultaneous X-Y cuts amid variable feeds—here, mismatched current sharing or inadequate voltage regulation can propagate torque ripples, extend settling times, or trigger overcurrent faults, escalating downtime in interconnected automation lines. This inverter is essential in those high-reliability scenarios, where its DC-link integration and scalable power output (up to 20 A peak per axis) maintain I/O signal precision against EMI, dust, or supply fluctuations typical of factory enclosures. It bolsters system stability by leveraging single-cable technology for motors up to 100 m away, often eliminating bulky cabling that complicates modular expansions.

The Bosch Rexroth HMD01.1N-W0020-A-07-NNNN gains prominence in consolidating legacy single-drive arrays, where its space-saving footprint reduces panel real estate by up to 50% compared to dual standalone units. Its closed-loop DC bus compatibility ensures seamless energy regeneration across axes, countering the efficiency losses that plague isolated AC-fed drives in electrically noisy or thermally cycled industrial automation contexts. Fundamentally, it enables users to achieve sub-1 ms synchronization in multi-motor loops, minimizing the commissioning tweaks tied to disparate hardware. For machine builders or integrators prioritizing scalability in applications like robotics or material handling, the Bosch Rexroth HMD01.1N-W0020-A-07-NNNN furnishes a high-reliability enabler that morphs wiring complexities into streamlined synergy, fortifying process control where every axis harmony drives throughput.

The Bosch Rexroth HMD01.1N-W0020-A-07-NNNN functions as the power conversion nucleus in ctrlX DRIVE dual-axis architectures, plugging into a shared DC bus (254-750 Vdc) to generate controlled 3-phase AC outputs (0-530 Vac) with variable frequency for two MSN synchronous servo motors, processing torque/speed commands via integrated firmware for independent axis tuning. It interfaces with higher-level controllers over PROFIBUS or Ethernet/IP for setpoint distribution, while onboard diagnostics monitor current, voltage, and temperature per axis, relaying faults via relay outputs to SCADA for proactive alerts. In a typical cabinet, it mounts vertically with internal air cooling via integrated blower, drawing auxiliary 24 Vdc for logic and supporting hot-plug insertion into multi-drive racks without bus interruption. This situates it in the power layer of the automation stack—below digital control signals but above motor cabling—with regenerative braking that feeds excess energy back to the DC link, enhancing efficiency in regenerative apps.

What appeals to practitioners is its ecosystem fit; the A-07 variant denotes standard firmware for basic motion tasks, expandable via option modules for safety (SafeMotion) or filtering, and its IP20-rated enclosure isolates against transients while enabling side-by-side stacking for denser I/O architectures. Positioned to decouple power electronics from control logic, the Bosch Rexroth HMD01.1N-W0020-A-07-NNNN incorporates overvoltage limiters (discharging above 33 V) for protection, with redundancy options through paralleled DC supplies in critical setups. Engineers configure via Rexroth’s IndraWorks software for gain scheduling or droop compensation, making it a versatile embed in process control hierarchies—from standalone dual-motor winders to synchronized gantry systems—where it bridges DC input to AC output without introducing phase lags that erode loop margins.

Opting for the Bosch Rexroth HMD01.1N-W0020-A-07-NNNN equips your motion framework with reliability that navigates load variances, its thermal management and current limiting sustaining 20 A peaks per axis through EMI storms or dust incursions to forestall trips that idle lines—yielding amplified availability and deferred servicing that aligns with lean industrial cadences. Its dual-axis consolidation lightens engineering loads by halving wiring runs and parameter sets, letting teams prototype in simulations before field cuts and curtailing integration snags in OEM skids where single-cable norms skip multi-conduit mazes.

Maintenance evolves predictive; the unit’s event logger captures transients for root-cause forensics, enabling off-peak tweaks like firmware baselines to preempt overheat patterns, while blower filters swap quarterly to preserve airflow sans full teardowns. In process control terms, this yields tighter torque regulation—reducing ripple by 30% in regenerative cycles—and optimized energy recapture that trims utility bills, all while its scalable firmware adapts to evolving safety norms without hardware swaps.

Broadly, the Bosch Rexroth HMD01.1N-W0020-A-07-NNNN fosters integration fluidity in hybrid setups, slotting into existing DC-link chains without terminal redraws and scaling to quad-axis via paralleled units, which curbs retrofit friction. This adaptability not only moderates long-term spends through unified spares but also upholds performance consistency, mitigating excursions that hike wear or emissions in compliant process control realms.

The Bosch Rexroth HMD01.1N-W0020-A-07-NNNN excels in printing and converting for web handling, where it synchronizes dual unwind/rewind axes for tension control, delivering high-reliability I/O via DC bus in ink-misted process control zones with resilient current sharing against speed variances. In woodworking CNCs, it powers gantry Y-axes for simultaneous routing, thriving in sawdust-laden enclosures while ensuring critical system uptime through overvoltage protection in vibration-heavy bays.

For textile looms, the inverter governs weft insertion motors under humidity swings, providing robust AC output fidelity for precise shuttle timing in regulated production flows.

HMD01.1N-W0012-A-07-NNNN – Lower-current (12 A peak) variant for lighter dual-axis loads in compact machines HMD01.1N-W0030-A-07-NNNN – Higher-capacity (30 A peak) model for demanding torque applications

HMD02.1N-W0020-A-07-NNNN – Multi-axis extension for up to four synchronized motors in gantry systems

HCS02.1E-W0020-A-03-NNNN – Single-axis predecessor for legacy IndraDrive migrations

HMD01.1N-W0020-S-07-NNNN – Safety-integrated edition with SafeMotion for SIL3/PL e compliance

XMD1 Series Base – Entry-level double-inverter for basic AC output without advanced diagnostics

HMD01.1N-W0020-A-07-SNNN – Resolver-focused alternative for sensorless commutation setups

ctrlX A-07 Firmware Upgrade – Software add-on for enhanced trajectory planning in existing units

Before deploying the Bosch Rexroth HMD01.1N-W0020-A-07-NNNN, align DC bus capacitance to at least 750 µF for stability—deficits amplify voltage ripples over 10%—and measure panel cutouts for its 326 mm height, as mismatches crimp blower clearance in dense stacks. Stabilize auxiliary 24 Vdc with fusing under 2 A to block surges beyond 30 V that latch faults, and baseline IndraWorks configs to the A-07 firmware for droop presets matched to your motor inertias. If single-cable linking, verify MSN motor compatibility upfront, as legacy types demand hybrid harnesses.

Routine stewardship centers on bimonthly LED sweeps for axis health or thermal warnings, twinned with terminal audits for oxidation in humid vaults—a contact enhancer spray maintains sans residue. Quarterly log exports via Ethernet unearth trending quirks like current imbalance, priming gain adjustments during idles. In paralleled DC setups, test sharing equity semiannually under simulated loads to validate bus currents within 5%, isolating segments first to avert arcs. These field-forged steps, rooted in drive histories, nurture the Bosch Rexroth HMD01.1N-W0020-A-07-NNNN‘s mettle with nominal nudges.