Bosch Rexroth HCS02 Modules | HCS02.1E-W0012-A-03-NNNN

Technical Dossier

Product Details And Specifications

Bosch Rexroth HCS02 Series: Comprehensive Module Range and Technical Overview

The Bosch Rexroth HCS02 IndraDrive Compact series is a single-axis servo drive platform deployed across heavy industrial sectors including petrochemical processing, nuclear power auxiliary systems, offshore drilling rigs, and continuous-process refineries. Its compact form factor — integrating power supply and axis control into a single housing — makes it the preferred drive solution where cabinet space is constrained and axis count is moderate. Installed base spans multiple continents, with particularly high density in European and Asian process industries. The HCS02 line supports SERCOS III, PROFIBUS, EtherCAT, and DeviceNet communication interfaces, enabling integration into both legacy DCS architectures and modern IIoT-capable control networks. Mean time between failures (MTBF) ratings and conformal-coated PCB options make the series suitable for harsh-environment continuous-duty applications.

The Evolution of HCS02 Architecture

The HCS02 series was introduced as part of Bosch Rexroth's IndraDrive Compact platform, succeeding the earlier DKC (EcoDrive) and HDS (IndraDrive H) drive families. First-generation HCS02 units used SERCOS II fiber-optic communication and required separate mains filter modules. Subsequent hardware revisions integrated EMC filtering internally and added support for SERCOS III over Ethernet, eliminating the fiber-optic ring topology requirement and reducing wiring complexity. The firmware architecture migrated from MPB (Multi-Purpose Basic) to MPE (Multi-Purpose Economy) and MPH (Multi-Purpose High) profiles, each targeting different motion complexity levels — from simple velocity control to full multi-axis synchronization with electronic gearing and cam profiles. Compatibility between firmware generations requires careful cross-referencing of the firmware version matrix; MPB firmware is not forward-compatible with MPH parameter sets. Units manufactured before 2010 use a different EEPROM parameter storage format, requiring parameter backup and re-commissioning when replacing drives across hardware generations. Current production HCS02 units are compatible with IndraWorks DS and IndraWorks MLD engineering software. End-of-life for certain sub-variants has been announced; DriveKNMS maintains stock of discontinued part numbers to support lifecycle extension programs.

HCS02 Full Catalog & Functionalities (SKU List)

The following SKUs represent the core HCS02 IndraDrive Compact range, classified by power rating and communication variant. Each entry reflects a distinct orderable part number with defined electrical and functional characteristics.

HCS02.1E-W0012-A-03-NNNN: 1.5 kW continuous output, 3-phase 200–480 VAC input, SERCOS III, no brake chopper, standard cooling.
HCS02.1E-W0028-A-03-NNNN: 3.5 kW continuous output, integrated DC bus connection, SERCOS III, standard fan cooling.
HCS02.1E-W0054-A-03-NNNN: 6.5 kW continuous output, enhanced current rating for high-inertia loads, SERCOS III.
HCS02.1E-W0070-A-03-NNNN: 8.5 kW continuous output, suitable for mid-range servo axes in machine tool applications.
HCS02.1E-W0012-A-03-NNBV: 1.5 kW, SERCOS III, with integrated brake chopper for vertical axis applications.
HCS02.1E-W0028-A-03-NNBV: 3.5 kW, SERCOS III, integrated brake chopper, vertical load duty cycle rated.
HCS02.1E-W0054-A-03-NNBV: 6.5 kW, SERCOS III, brake chopper, high-cycle duty for press and stamping lines.
HCS02.1E-W0012-A-03-NNPB: 1.5 kW, PROFIBUS DP communication variant, for legacy DCS integration.
HCS02.1E-W0028-A-03-NNPB: 3.5 kW, PROFIBUS DP, compatible with Siemens S7 and ABB DCS masters.
HCS02.1E-W0054-A-03-NNPB: 6.5 kW, PROFIBUS DP, standard fan cooling, no brake chopper.
HCS02.1E-W0012-A-03-NNEN: 1.5 kW, EtherCAT communication, CoE (CANopen over EtherCAT) protocol support.
HCS02.1E-W0028-A-03-NNEN: 3.5 kW, EtherCAT, suitable for distributed servo networks with real-time synchronization.
HCS02.1E-W0054-A-03-NNEN: 6.5 kW, EtherCAT, high-speed position control mode, 250 µs cycle time.
HCS02.1E-W0070-A-03-NNEN: 8.5 kW, EtherCAT, for multi-axis coordinated motion in packaging and robotics.
HCS02.1E-W0012-A-03-NNDN: 1.5 kW, DeviceNet communication, for integration with Allen-Bradley PLC networks.
HCS02.1E-W0028-A-03-NNDN: 3.5 kW, DeviceNet, explicit and implicit messaging support, 125/250/500 kbps baud.
HCS02.1E-W0054-A-03-NNDN: 6.5 kW, DeviceNet, compatible with ControlLogix and CompactLogix masters.

Sourcing Hard-to-Find & Obsolete HCS02 Parts

Several HCS02 sub-variants — particularly PROFIBUS and DeviceNet communication options — have been discontinued from Bosch Rexroth's active production schedule. Standard authorized distributor channels no longer carry these part numbers. DriveKNMS operates a dedicated obsolete and end-of-life (EOL) inventory program specifically for the IndraDrive Compact platform. Stock is sourced from decommissioned plant equipment, verified OEM overstock, and controlled surplus channels. All units are inspected against original Bosch Rexroth technical documentation before listing. DriveKNMS can supply single units for emergency breakdown replacement or bulk quantities for planned lifecycle extension projects. For plants operating HCS02 drives in safety-critical loops — such as reactor coolant pump control or refinery compressor surge control — DriveKNMS recommends maintaining a minimum of two spare units per installed axis. Consult our technical team for a site-specific spare parts strategy aligned to your maintenance intervals.

Quality Control for the HCS02 Range

HCS02 units received by DriveKNMS undergo a structured incoming inspection protocol before any unit is offered for sale. The process addresses the specific failure modes documented for the IndraDrive Compact platform: DC bus capacitor degradation, IGBT gate driver circuit fatigue, encoder interface signal integrity, and SERCOS/EtherCAT communication ASIC faults. Each unit is powered on a calibrated test bench replicating the rated input voltage range (200–480 VAC, ±10%). DC bus voltage regulation, output phase symmetry, and thermal management system operation (fan speed, temperature sensor response) are verified against factory specification tolerances. Communication interface functionality is validated using a live fieldbus master — SERCOS III ring integrity, PROFIBUS DP slave address response, EtherCAT distributed clock synchronization, and DeviceNet node commissioning are each tested with protocol-specific diagnostic tools. Firmware version is recorded and reported with each unit. Units that fail any test point are quarantined and not offered for sale. A test report is available upon request for critical applications.