Bosch Rexroth HMD01.1N-W0036-A-07-NNNN Servo Drive

Bosch Rexroth HMD01.1N-W0036-A-07-NNNN Servo Drive for DIAX04 Automation

The Bosch Rexroth HMD01.1N-W0036-A-07-NNNN is a high-performance AC servo drive from the DIAX04 series, engineered to deliver precise motor control, reduced operating load, and reliable operation across demanding industrial automation environments. Whether deployed in CNC machining centers, packaging lines, press automation, or material handling systems, this servo drive plays a central role in reducing idle-state power draw, minimizing heat generation, and maximizing the productive uptime of servo-driven axes.

In modern manufacturing, unplanned downtime is rarely caused by a single component — it accumulates across poorly tuned drives, oversized motors, unoptimized acceleration ramps, and reactive maintenance cycles. The HMD01.1N-W0036-A-07-NNNN addresses these inefficiencies at the drive level, offering closed-loop torque and velocity regulation that keeps motor operation within its most efficient operating band. By continuously adjusting output to match actual load demand, the drive avoids the energy penalties associated with fixed-speed or open-loop control strategies.

Product Specification Table

System Compatibility and Application

The HMD01.1N-W0036-A-07-NNNN is designed to operate as part of a coordinated drive system rather than as a standalone component. In a typical DIAX04 installation, the drive shares a common DC bus with a Bosch Rexroth HMV01.1R-W0120 regenerative supply unit, which captures braking energy from decelerating axes and redistributes it to accelerating axes — significantly reducing net energy drawn from the grid during high-cycle operations.

On the control side, the drive interfaces with motion controllers such as the Bosch Rexroth DIAX04 CSB01 or CSH01 control boards, which manage interpolation, position feedback, and axis synchronization. These control modules communicate with the servo drive via the SERCOS II fiber-optic ring, enabling deterministic, low-latency command execution that is essential for tight multi-axis coordination in press or assembly line applications.

For motor feedback, the HMD01.1N-W0036-A-07-NNNN is compatible with MHD series and MKD series synchronous servo motors, both of which feature integrated resolvers or EnDat encoders for high-resolution position feedback. This closed-loop architecture ensures that the drive never over-drives the motor, preventing unnecessary current draw and thermal stress — two of the most common causes of premature motor failure and unplanned downtime.

Power quality at the cabinet level is managed by the Bosch Rexroth NFD03 mains filter, which suppresses conducted EMI generated by the drive’s PWM switching and protects upstream equipment from harmonic disturbances. In multi-drive cabinets, the HMD01.1N-W0036-A-07-NNNN is typically paired with a Bosch Rexroth RMB02 bus module and DKC11 or DKC21 drive controllers for coordinated axis management, reducing wiring complexity and improving diagnostic transparency across the drive network.

For system-level condition monitoring, integration with a Bosch Rexroth IndraControl L45 or compatible PLC platform allows real-time logging of drive power consumption, axis load profiles, and regeneration events. This data feeds into predictive maintenance algorithms that flag abnormal current signatures — often the earliest indicator of bearing wear, coupling misalignment, or encoder degradation — before they escalate into unplanned stops.

Maintenance and Replacement Notes

In high-throughput production environments, the energy impact of servo drive selection is measurable and significant. A poorly tuned or oversized drive running at partial load wastes energy through excess reactive current, unnecessary switching losses, and suboptimal PWM frequency settings. The HMD01.1N-W0036-A-07-NNNN, when correctly commissioned using Bosch Rexroth’s IndraWorks engineering software, allows engineers to optimize acceleration and deceleration ramps, set current limits per axis, and configure operational-efficiency standby modes during machine idle periods.

In packaging and palletizing lines, where servo axes cycle thousands of times per shift, even a 5–8% reduction in per-cycle operating load translates to measurable savings over a production year. The drive’s regenerative capability — enabled through the shared DC bus with the HMV01 supply unit — means that braking energy from one axis is immediately available to power an accelerating axis, rather than being dissipated as heat through braking resistors.

Reduced heat generation also has a secondary benefit: lower cabinet cooling loads. In facilities where servo cabinets are cooled by air conditioning, reducing drive heat output directly reduces HVAC operating load — a factor often overlooked in energy audits but significant in high-density drive installations.

From a maintenance perspective, the drive’s built-in diagnostic functions — including current waveform monitoring, temperature tracking, and fault history logging — enable condition-based maintenance scheduling. Rather than replacing components on fixed intervals, maintenance teams can act on actual drive health data, reducing both spare parts consumption and the risk of unexpected failures during peak production periods. All units supplied by ZYPLC are fully tested prior to shipment and covered by a warranty terms confirmed during quotation, ensuring that replacement drives perform to specification from day one.

Product Sourcing FAQ

Q1: How much energy can the HMD01.1N-W0036-A-07-NNNN save compared to a non-regenerative drive?
When paired with the HMV01 regenerative supply unit on a shared DC bus, energy recovered during braking can offset Actual operating results depend on the installed system, load profile, and commissioning parameters. Actual savings depend on cycle rate, load inertia, and deceleration profile. ZYPLC can assist with application-specific energy assessments.

Q2: Is this drive compatible with my existing Bosch Rexroth DIAX04 system?
Yes. The HMD01.1N-W0036-A-07-NNNN is a native DIAX04 series component and is compatible with CSB01/CSH01 control boards, MHD/MKD/MKE motor series, and SERCOS II communication rings. Verify firmware version compatibility with your existing control modules before installation.

Q3: What is the recommended replacement or upgrade path if this drive is end-of-life?
Bosch Rexroth’s IndraDrive series (e.g., HCS02, HMS01) offers a functional upgrade path with improved energy efficiency and modern fieldbus support (PROFINET, EtherCAT). ZYPLC stocks both DIAX04 and IndraDrive components and can advise on migration strategies that minimize retooling costs.

Q4: What testing does ZYPLC perform before shipping this drive?
Every HMD01.1N-W0036-A-07-NNNN unit undergoes functional load testing, insulation resistance verification, and firmware version confirmation prior to dispatch. A test report is available upon request. All units are shipped with a warranty terms confirmed during quotation covering manufacturing defects and functional failures under normal operating conditions.