Compact New Precision Servo Drive Converter Rexroth R911337826 HCS01.1E-W0005-A-03-B-ET-EC-PB-L3-NN-FW

REXROTH R911337826 HCS01.1E-W0005-A-03-B-ET-EC-PB-L3-NN-FW is an IndraDrive Cs compact converter used for precise single-axis motion control in industrial automation equipment. The material number R911337826 is listed with the exact type code HCS01.1E-W0005-A-03-B-ET-EC-PB-L3-NN-FW and identified as an IndraDrive compact converter in supplier databases for Rexroth HCS servo drives.

This model belongs to the HCS01.1E-W0005 class, a compact drive controller family intended for cabinet-mounted servo applications. It is suitable for machines that require accurate speed control, repeatable positioning, torque regulation, and coordinated movement in a small installation space. Typical users include OEM machine builders, maintenance engineers, automation integrators, and service teams working on packaging machines, assembly equipment, test benches, compact handling systems, printing machinery, feeder axes, and auxiliary CNC motion axes.

Unlike a general-purpose frequency inverter, this unit should be described as a servo drive controller / compact converter. It is designed for controlled motion applications where motor feedback, communication interface, firmware, safety option, and machine parameters must match the original system. For procurement, repair, or replacement, the full material number and full type code should be retained because the suffix positions define important configuration details.

Basic Product Information

Configuration Interpretation

The type code HCS01.1E-W0005-A-03-B-ET-EC-PB-L3-NN-FW can be understood as a structured Rexroth configuration code rather than a simple model name.

The PB segment is important. It normally indicates a PROFIBUS-related configuration, which matters when the drive is connected to a PLC or motion controller using a fieldbus architecture. Machines using PROFIBUS depend on the correct address settings, bus configuration, GSD-related configuration data, and controller-side drive mapping. If the replacement drive has the wrong communication option, the mechanical fit may be correct but the machine may still fail to communicate.

The L3 segment should also be treated carefully. In Rexroth drive type codes, option positions may refer to safety or enabling configurations depending on the device generation and control section. For a real replacement, the L3 function should be checked against the original machine documentation, drive label, firmware package, and parameter backup. Do not replace an L3 unit with an NN or L4 variant unless the machine builder or a qualified Rexroth drive engineer confirms compatibility.

Product Description

The REXROTH R911337826 HCS01.1E-W0005-A-03-B-ET-EC-PB-L3-NN-FW is built for compact servo axis control where precision, repeatability, and integration reliability are required. In a modern automated machine, one axis may need to accelerate quickly, stop accurately, hold torque, follow a programmed position profile, and communicate status data to a central controller. This compact converter supports those requirements by combining power electronics, control electronics, feedback processing, communication capability, and firmware-based motion functions in one cabinet-mounted unit.

For packaging equipment, the unit may be used on film feed rollers, cutting axes, sealing stations, label applicators, indexing tables, pusher mechanisms, or small rotary units. For assembly automation, it can control a press movement, feeder slide, transfer arm, inspection positioner, or fixture adjustment axis. In printing and converting equipment, it may be used for web feed, registration movement, tension-related positioning, and auxiliary motion. In test and laboratory automation, the compact W0005 class is suitable for lower-power axes requiring clean motion rather than high output capacity.

A practical benefit of the HCS01 platform is its compact cabinet footprint. The drive is designed for electrical cabinet installation, and its small mechanical format allows several servo axes to be installed in a limited panel area. This is useful for OEMs that need to reduce cabinet size or retrofit older machines where available space is limited. The design also simplifies wiring compared with systems that require separated power and control components.

Technical and Commercial Features

The drive should not be selected only by physical size or current rating. Rexroth servo systems are configuration-dependent. The motor type, encoder feedback, fieldbus protocol, firmware version, safety option, parameter file, and controller project all affect whether the unit will work correctly after replacement. For this reason, R911337826 should be quoted and ordered using the complete code, not shortened to only HCS01.1E-W0005.

Weight and Packing Information

The product should be packed as an electronic drive controller. Anti-static protection is recommended, especially for used, repaired, or surplus stock. Foam protection should prevent the front panel, terminal area, control connectors, and heatsink from impact during transportation. For international shipping, a carton around 32 × 22 × 12 cm is normally sufficient for one unit with protective material. If the original box is available, it should be used because it improves handling reliability and customer confidence.

Application Areas

Replacement and Commissioning Notes

Before installation, the engineer should verify the original drive data, firmware level, motor information, and parameter backup. The replacement unit may require firmware loading or parameter restoration before the machine can run. BuyRexroth lists the R911337826 product page with a required firmware component selection, which supports the point that firmware is part of the final working configuration rather than a cosmetic code.

A proper replacement procedure should include checking the old drive label, confirming the material number, comparing the type code, backing up or restoring parameters, verifying the PROFIBUS configuration, checking motor feedback compatibility, and testing safety enable behavior. If the machine uses safety-related functions, the L3 option must not be ignored. An incorrect substitute may cause communication faults, drive enable errors, feedback mismatch alarms, or failure to start the axis.

Search-Optimized Product Summary

REXROTH R911337826 HCS01.1E-W0005-A-03-B-ET-EC-PB-L3-NN-FW is a compact IndraDrive Cs servo drive controller for industrial automation systems requiring accurate single-axis motion control. It belongs to the HCS01.1E-W0005 5 A class and is commonly used in packaging machinery, assembly systems, printing equipment, handling machines, feeder axes, and compact positioning applications. The PB configuration is relevant for PROFIBUS-based machine architectures, while the L3 option and firmware segment must be checked before replacement. The approximate product net weight is 1.2 kg, with a recommended shipping weight of 3.0 kg after protective packing.