Name: HDS02.1-W040N-HS12-01-FW REXROTH | runsheng
Brand: REXROTH
SKU: HDS02.1-W040N-HS12-01-FW REXROTH
Price: 4479.00 USD
Availability: InStock

Description

Key Technical Specifications

Product Model: HDS02.1-W040N-HS12-01-FW
Manufacturer: Rexroth
System Platform: DIAX04 Motion Control System
Continuous Current Rating: 40 A
Peak Current Rating: 80 A
DC Bus Voltage: 300–700 VDC nominal
Power Section: Regulated DC bus with IGBT output stage
Command Interface: ±10 V analog velocity/torque command, SERCOS-based feedback compatibility
Feedback Compatibility: Resolver / Digital encoder (depending on configuration HS12)
Cooling Method: Forced-air cooling with integrated heatsink
Switching Frequency: 8 kHz PWM (typical DIAX04 specification)
Protective Functions: Overcurrent, undervoltage, overtemperature, DC-bus monitoring
Communication: SERCOS interface for closed-loop digital control
Ambient Operating Temperature: 0…+45 °C without derating
MTBF: > 100,000 hours (typical for DIAX04 series under controlled environment)
Certifications: CE, UL, EN 61800-3 (adjustable speed electrical power drive systems — EMC requirements)

Technical Architecture & Functional Positioning (400–500 words)

The HDS02.1-W040N-HS12-01-FW sits within the motion-control layer of the Rexroth DIAX04 automation architecture. It is designed as a modular servo drive amplifier that pairs with a central power supply module (e.g., HVR/HVE series) and controls a dedicated servo axis through a high-bandwidth IGBT output stage. In multi-axis configurations, several HDS02.1 modules are installed together on a common DC bus, enabling coordinated motion control required in CNC, robotics, and high-speed manufacturing lines.

Its internal architecture is built around a fast digital signal processor that handles current, velocity, and position control loops. The drive uses a dual-channel feedback structure—sampling motor resolver/encoder data and DC-bus conditions simultaneously—to compute real-time torque commands. The PWM stage uses high-speed IGBT switching to generate precise output currents, which is critical for applications with rapid acceleration profiles or tight contouring tolerances.

The HS12 configuration introduces extended feedback compatibility and high-speed signal processing for MKD and MHD motor families. Design elements such as isolated control electronics, robust bus capacitors, and multi-stage protection circuitry enhance reliability during voltage fluctuations or regenerative braking events. These features solve common engineering problems in servo drive systems, such as motor oscillation, thermal overload, and signal interference.

A key engineering advantage lies in its integration with the SERCOS digital interface. Compared with analog-only systems, SERCOS offers deterministic communication and synchronized update cycles, ensuring consistent and repeatable motion performance. This is vital in machine tools, packaging machines, and electronic assembly equipment where multi-axis interpolation accuracy must be maintained across long duty cycles.

Thermal management is handled through a forced-air cooling design with an optimized heatsink, enabling continuous 40A output without derating in most installations. The drive continuously monitors temperature, current load, DC-bus level, and internal component health. Automatic fault isolation protects upstream components and prevents cascading failure — an essential capability in automated production lines where downtime yields significant operational losses.