Bosch Rexroth HDS03.2-W100N-HS37-01-FW – High-Dynamic AC Servo Drive Controller | HDS Series
Engineering Background: The Bosch Rexroth HDS Series (High Dynamic Servo Drive) represents Rexroth’s flagship closed-loop AC servo drive platform, engineered for precision motion control in demanding industrial environments. The HDS03.2 generation introduced enhanced current regulation bandwidth and modular interface architecture, making it the preferred choice for machine builders requiring deterministic axis performance.
Product Positioning: The HDS03.2-W100N-HS37-01-FW is a 100 A continuous-output AC servo drive controller designed for integration with Rexroth MHD, MKD, and MKE series servo motors. It operates within the DIAX04 / IndraControl motion system ecosystem and is compatible with SERCOS, analog, and digital command interfaces via the HS37 option module. This unit is sourced from verified industrial surplus and OEM channels, fully tested, and ready for immediate deployment.
Complete Technical Specifications
- Part Number: HDS03.2-W100N-HS37-01-FW
- Series: HDS (High Dynamic Servo Drive), Generation 03.2
- Manufacturer: Bosch Rexroth AG (formerly Indramat)
- Drive Type: AC Servo Drive Controller (Closed-Loop Vector)
- Continuous Output Current: 100 A (W100N)
- Interface Module: HS37 – SERCOS / Analog / Digital Command Interface
- Firmware Variant: FW (Standard Firmware)
- Supply Voltage: 3-phase AC 200–480 V, 50/60 Hz (via HZF/HZK power supply)
- DC Bus Connection: Compatible with Rexroth HZF/HZK/HZD power supply units
- Feedback Support: Resolver, EnDat, Hiperface (motor-dependent)
- Communication: SERCOS I/II fiber-optic ring (HS37 module)
- Analog Command: ±10 V differential input (HS37)
- Digital I/O: Integrated enable, ready, fault, and drive-controlled I/O
- Protection Class: IP20 (cabinet-mount)
- Cooling: Forced-air (internal fan)
- Mounting: DIN rail / panel mount, vertical orientation
- Weight: Approx. 4.0 kg
- Certifications: CE, UL (recognized component)
- Compatible Motors: Rexroth MHD, MKD, MKE series AC servo motors
- Compatible Controllers: Rexroth DIAX04, IndraControl L/M/V, CSH/CDB
Proven Application Environments
- CNC Machining Centers: Multi-axis contouring with SERCOS ring topology for deterministic cycle times
- Injection Molding Machines: High-force clamping and injection axis control requiring 100 A peak torque delivery
- Printing & Packaging Lines: Register control and web tension management with sub-millisecond response
- Robotics & Gantry Systems: Coordinated multi-axis motion in Cartesian and SCARA configurations
- Metal Forming Presses: Servo-electric press drives requiring precise force and position profiling
- Semiconductor & Electronics Assembly: High-speed pick-and-place with micron-level repeatability
Engineering Advantages
- 100 A Continuous Rating: Supports high-inertia loads and aggressive acceleration profiles without thermal derating
- HS37 Interface Flexibility: Single module supports SERCOS fiber ring, ±10 V analog, and digital step/direction — no hardware swap required for different controller architectures
- DIAX04 Ecosystem Compatibility: Drop-in replacement within existing Rexroth DIAX04 cabinets; no re-engineering of power supply or motor wiring
- Firmware-Configurable Parameters: Velocity loop, current loop, and position loop gains accessible via Rexroth IndraWorks or BTV04 operator panel
- Robust EMC Design: Integrated line filter and shielded bus architecture minimize radiated emissions in sensitive production environments
- Long Service Life: Rexroth HDS03.2 units are field-proven across 15+ years of global installations; spare parts and firmware updates remain available
System Architecture & Signal Flow
The HDS03.2-W100N-HS37-01-FW operates as a slave node on the SERCOS fiber-optic ring, receiving cyclic position/velocity setpoints from the master controller (e.g., Rexroth CSH, IndraControl L/M) at 250 µs–4 ms cycle times. The HS37 module decodes SERCOS telegrams and passes current commands to the internal DSP-based current regulator, which switches the IGBT power stage at 8 kHz. Motor feedback (resolver or encoder) closes the velocity and position loops locally within the drive, ensuring deterministic response independent of fieldbus latency. DC bus power is shared across multiple HDS axes via the common HZF/HZK supply rail, enabling regenerative energy exchange between braking and accelerating axes.
Sourcing & Quality Verification
- Source: OEM-surplus, decommissioned production lines, and authorized distributor stock
- Inspection Protocol: Visual inspection (PCB, connectors, IGBT module, fan), power-on functional test, firmware version verification, and 48-hour burn-in where applicable
- Condition: Tested & Verified (T&V) — fully operational unless explicitly stated as “for parts”
- Warranty: 90-day operational warranty against defects in materials and workmanship
- Traceability: Serial number and date code recorded; documentation available on request
- Counterfeit Mitigation: All units inspected against Rexroth OEM label standards; PCB markings and component dates cross-checked
Procurement Process
- Confirm Compatibility: Verify your existing power supply (HZF/HZK), motor series (MHD/MKD/MKE), and controller (DIAX04/IndraControl) match the HDS03.2 requirements
- Request Quote: Contact [email protected] for volume pricing, lead time, and export documentation
- Place Order: Secure checkout via Konmask.com; payment by T/T, PayPal, or credit card
- Shipping: DHL / FedEx Express worldwide; export-controlled items shipped with full EX1/EEI documentation
- Incoming Inspection: We recommend verifying firmware version and running a no-load power-on test before installation
Technical FAQ
Q: Can the HDS03.2-W100N-HS37-01-FW replace an HDS03.1-W100N unit?
A: Yes, the 03.2 generation is backward-compatible with 03.1 power supplies and motors. Firmware parameters may require re-entry via IndraWorks.
Q: What firmware version is installed?
A: Firmware version is verified and documented at dispatch. Rexroth firmware updates (FWA-DIAX04-xxx) can be loaded via the BTV04 panel or serial interface.
Q: Is SERCOS III supported?
A: No. The HS37 module supports SERCOS I/II (fiber-optic). SERCOS III (Ethernet-based) requires a different interface module (e.g., HSE).
Q: Can this drive run without a SERCOS master?
A: Yes. The HS37 module supports analog ±10 V velocity/torque command mode, enabling standalone operation with a PLC analog output.
Q: What is the minimum order quantity?
A: MOQ is 1 unit. Volume discounts available for orders of 3+ units.
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