R911289830 Bosch Rexroth: HCS02.1E Compact Drive
The R911289830 (Type Code: HCS02.1E-W0054-A-03-NNNN) is a compact drive converter from the Bosch Rexroth IndraDrive C series. This unit integrates the rectifier and inverter into a single housing, designed for single-axis applications requiring high dynamic performance. With a maximum current capacity of 54 Amps, it is capable of driving a wide range of IndraDyn MSK and MHD servo motors. The «HCS02» series is renowned for its modularity, allowing different control sections (CSB/CSH) to be inserted into the power section slot, making it adaptable to various communication protocols like Sercos III, Profinet, or EtherCAT.
Technical Specifications
- Series: IndraDrive C (Compact).
- Line Voltage: 3-Phase 200…500 VAC.
- Max Current: 54 A.
- Continuous Current: Approx. 22 A (depending on PWM frequency).
- Design: Air-cooled (Internal fan).
- Protection: IP20.
- Control Slot: Empty (Requires CSB/CSH control section).
Maintenance & Diagnostics
Lifecycle State: Active/Service. Diagnosis: Common fault codes on the HCS02 display include F8078 (Speed loop error) or F2077 (Current measurement trim wrong). If the drive fails to power up, check the DC bus voltage. The HCS02 has an internal braking resistor, but for high-inertia loads, an external resistor might be connected; verify its continuity. Installation Advice: Ensure proper spacing in the electrical cabinet. The HCS02 generates significant heat, and blocking the airflow vents will cause thermal shutdown (F2019). The firmware is stored in the control section, so replacing the HCS02 power section usually does not require reprogramming, provided the control unit is swapped over.
| Metric | Value |
|---|---|
| Switching Freq | 4 kHz / 8 kHz / 12 kHz / 16 kHz |
| DC Bus Voltage | Directly rectified from mains |
| Weight | Approx. 6.5 kg |
| Width | 105 mm |
Why IndraDrive C?
It combines power and intelligence in a minimal footprint, making it the standard for printing presses, packaging machines, and machine tools using Bosch CNCs.
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