Bosch Rexroth HDS03.2-W100N-HT20-01-FW Drive for IndraDrive
The Bosch Rexroth HDS03.2-W100N-HT20-01-FW is a high-performance AC servo drive controller engineered for seamless integration within the IndraDrive modular drive system architecture. Designed to operate as a coordinated node across multi-axis motion control platforms, this unit delivers deterministic torque and velocity regulation while maintaining full compatibility with Rexroth’s SERCOS III and PROFIBUS-based control topologies. In modern industrial automation environments — spanning CNC machining centers, press lines, packaging systems, and process control installations — the HDS03.2-W100N-HT20-01-FW serves as a critical link between the control layer and the mechanical execution layer, ensuring signal fidelity, power conversion efficiency, and real-time closed-loop response across the entire drive train.
Unlike standalone drive units, the HDS03.2-W100N-HT20-01-FW is conceived as a system component. Its architecture supports synchronous multi-axis coordination when paired with an IndraDrive controller such as the HCS02 or HCS03 supply unit, enabling centralized DC bus sharing that reduces energy consumption and simplifies cabinet wiring. The drive’s firmware is fully compatible with the IndraWorks engineering environment, allowing engineers to configure axis parameters, monitor diagnostic data, and execute commissioning routines from a unified software platform without requiring separate toolchains for individual drive nodes.
Within a layered automation hierarchy, the HDS03.2-W100N-HT20-01-FW occupies the drive layer between the PLC/motion controller and the servo motor. It receives motion commands from an upper-level controller — such as a Rexroth IndraMotion MLC or a Siemens SINUMERIK CNC — via a real-time fieldbus, translates those commands into precise PWM switching sequences, and delivers regulated three-phase output to the connected servo motor. Feedback signals from the motor encoder are processed internally and returned to the controller, closing the position and velocity loops with sub-millisecond cycle times. This architecture ensures that the HDS03.2-W100N-HT20-01-FW contributes to overall system accuracy without introducing latency or signal degradation.
System architects specifying the HDS03.2-W100N-HT20-01-FW benefit from its compatibility with the IndraDrive Cs, Mi, and M series platform ecosystem. When deployed alongside HME02 or MSK servo motors, the drive’s auto-identification feature reads motor nameplate data from the encoder memory, eliminating manual parameter entry and reducing commissioning time significantly. In multi-axis gantry or coordinated robotics applications, the drive can be synchronized with additional HDS or HDD axis modules sharing the same DC link bus, enabling electronic gearing and cam profiling functions that are essential for high-throughput manufacturing lines.
From a cabinet integration perspective, the HDS03.2-W100N-HT20-01-FW is designed to mount on standard DIN rail or back-panel configurations within IP54-rated enclosures. Its compact form factor allows dense axis packing in multi-drive cabinets, and its integrated braking chopper circuit supports dynamic braking without requiring an external resistor module in most standard duty-cycle applications. The drive’s front-panel diagnostic LEDs and H1 display provide immediate status feedback during commissioning and fault diagnosis, reducing the need for laptop-based tools during initial installation. For applications requiring enhanced diagnostics, the drive interfaces with the Rexroth IndraWorks D software suite, providing oscilloscope-quality waveform capture and parameter trending over the service interface.
In redundancy-critical applications such as power generation auxiliary systems, water treatment pump drives, or continuous process lines, the HDS03.2-W100N-HT20-01-FW supports hot-standby configurations when integrated with appropriate system-level redundancy logic at the PLC layer. Its non-volatile parameter storage ensures that drive configuration is retained through power cycling events, and its structured fault memory logs the last 32 fault events with timestamps, enabling root-cause analysis without requiring continuous monitoring infrastructure. These features make the drive a preferred choice for maintenance engineers who need to minimize unplanned downtime in 24/7 production environments.
Supply chain continuity is a key consideration for long-term system ownership. ZYPLC maintains availability subject to RFQ confirmation of the HDS03.2-W100N-HT20-01-FW alongside complementary IndraDrive components including HCS02 and HCS03 supply units, NFD03 mains filters, HNL01 line reactors, RGP02 regenerative power supply modules, and LSA series servo cables. This integrated inventory approach allows project engineers and MRO procurement teams to source complete drive system assemblies from a single supplier, reducing lead times and ensuring component compatibility across the entire bill of materials. All units supplied by ZYPLC are covered by a warranty terms confirmed during quotation and undergo functional verification testing prior to dispatch.
Product Specification Table
| Parameter |
Specification |
| System Role |
AC Servo Drive Controller — IndraDrive M Series Axis Module |
| Part Number |
HDS03.2-W100N-HT20-01-FW |
| Brand / Series |
Bosch Rexroth / IndraDrive |
| Continuous Output Current |
100 A (nominal axis module rating) |
| DC Bus Voltage Range |
540 V DC – 750 V DC (shared DC link) |
| Control Mode |
Torque / Velocity / Position (closed-loop, encoder feedback) |
| Communication Interface |
SERCOS III / PROFIBUS DP / Analog ±10 V |
| Feedback Compatibility |
Hiperface, EnDat 2.1, Resolver, TTL Incremental |
| Firmware Platform |
IndraWorks D / MPx-18 and above |
| Mounting |
Panel / DIN Rail, IP20 (cabinet installation) |
| Operating Temperature |
0 °C to +45 °C (derated above 40 °C) |
| Cooling Method |
Forced air (internal fan) |
| Country of Origin |
Germany |
| Warranty |
warranty terms confirmed during quotation (ZYPLC availability subject to RFQ confirmation) |
| system integration |
Full system integration with IndraDrive supply and axis modules |
System Compatibility Notes
The HDS03.2-W100N-HT20-01-FW achieves its full performance potential when deployed as part of a coordinated IndraDrive system architecture rather than as an isolated axis drive. In a typical multi-axis servo system, the drive shares a common DC bus with an HCS03.1-E-W0210 regenerative supply unit, which manages mains rectification, DC bus regulation, and regenerative energy feedback to the grid. This shared bus topology eliminates the need for individual AC input rectifiers on each axis module, reducing cabinet footprint and improving overall system energy efficiency by recirculating braking energy between axes rather than dissipating it as heat.
At the control layer, the HDS03.2-W100N-HT20-01-FW receives real-time motion commands from an IndraMotion MLC L45 or L65 motion logic controller via SERCOS III fiber-optic ring, achieving cycle times as low as 250 µs for demanding synchronization applications. The motion controller coordinates position profiles across multiple HDS and HDD axis modules simultaneously, enabling electronic cam, electronic gearing, and cross-axis interpolation functions that are essential for multi-axis CNC, winding, and printing machine applications. An NFD03.1 mains filter and HNL01.1 line reactor are typically installed upstream of the supply unit to attenuate conducted emissions and protect the drive system from mains-borne transients.
On the motor side, the HDS03.2-W100N-HT20-01-FW is optimally paired with MSK100 or MSK133 synchronous servo motors equipped with Hiperface absolute encoders, enabling single-cable feedback and power routing through LSA series motor cables. For applications requiring safe torque off (STO) functionality, the drive’s integrated safety interface connects to a PSI6100 safety relay or a compatible safety PLC input module, providing SIL 2 / PLd-rated drive inhibit without requiring external contactors in the motor circuit. At the human-machine interface layer, an IndraControl VPP 40 or VEP 30 panel PC running IndraWorks HMI software provides operators with real-time axis status, alarm management, and recipe management capabilities, completing the full automation stack from field device to operator interface.
Industrial Application Notes
In automotive body-in-white welding lines, the HDS03.2-W100N-HT20-01-FW drives servo axes on resistance spot welding guns and transfer systems, where precise force control and rapid positioning are required simultaneously across dozens of coordinated axes. The drive’s torque feedforward capability and high-bandwidth current loop allow the welding gun to apply programmed electrode force profiles with repeatability measured in newtons, ensuring consistent weld nugget quality across high-volume production shifts.
In the power generation sector, the drive is applied to turbine auxiliary systems including inlet guide vane actuators, cooling water pump drives, and lube oil circulation systems. In these applications, the drive’s ability to maintain stable velocity regulation under varying load conditions — combined with its non-volatile fault logging and warranty terms confirmed during quotation coverage — makes it a preferred choice for plant maintenance engineers who require predictable mean time between failures and documented service histories for regulatory compliance.
In petrochemical and refinery process control environments, the HDS03.2-W100N-HT20-01-FW is deployed in compressor anti-surge control systems and reactor agitator drives, where continuous operation and rapid fault recovery are mandatory. The drive’s integrated braking chopper and DC bus overvoltage management ensure that load rejection events — such as sudden process shutdowns — do not result in drive trips that could compromise process safety interlocks. In water treatment and desalination plants, the drive controls high-speed centrifugal pump and blower axes where energy efficiency and low harmonic distortion are prioritized alongside reliability.
In packaging and palletizing lines, the HDS03.2-W100N-HT20-01-FW coordinates with robotic pick-and-place axes and servo-driven conveyor systems, where electronic gearing between infeed, transfer, and outfeed axes must be maintained within tight phase tolerances to prevent product damage or line jams. The drive’s SERCOS III communication ensures deterministic command delivery even in electrically noisy cabinet environments typical of high-speed packaging machinery.
Product Compatibility FAQ
Q1: Is the HDS03.2-W100N-HT20-01-FW compatible with existing IndraDrive M series supply units and axis modules already installed in my system?
Yes. The HDS03.2-W100N-HT20-01-FW is fully compatible with the IndraDrive M series platform, including HCS02 and HCS03 supply units and other HDS/HDD axis modules sharing the same DC bus rail. Provided the supply unit is sized to support the additional axis current demand, the drive can be added to an existing multi-axis cabinet without requiring changes to the supply unit or communication topology. ZYPLC recommends verifying firmware revision compatibility between the new axis module and the existing motion controller using the IndraWorks project file before installation.
Q2: What commissioning steps are required when replacing a failed HDS03.2-W100N-HT20-01-FW in a running production system?
Replacement commissioning involves three primary steps: parameter upload from the IndraWorks project backup to the replacement drive via the service interface, motor auto-identification to confirm encoder data integrity, and a controlled test run at reduced speed to verify closed-loop stability before returning the axis to production. ZYPLC supplies all units with factory-verified firmware pre-loaded, reducing on-site commissioning time. The warranty terms confirmed during quotation covers the replacement unit from the date of dispatch, providing documented coverage for the post-installation period.
Q3: How does the warranty terms confirmed during quotation apply, and what support is available for long-term maintenance planning?
All HDS03.2-W100N-HT20-01-FW units supplied by ZYPLC carry a warranty terms confirmed during quotation covering manufacturing defects and functional failures under normal operating conditions. Warranty claims are processed directly through ZYPLC’s technical support team, with advance replacement options available for critical production applications to minimize downtime. For long-term maintenance planning, ZYPLC offers multi-unit stocking agreements and scheduled inspection services, ensuring that spare drive inventory is available on-site before failures occur rather than after. Contact our team at plc.sales@zyplc.com or +86 19859288691 to discuss a tailored maintenance supply program.