Recision Original New Servo Drive Converter Rexroth R911390137 HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW

The REXROTH R911390137 HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW is a compact industrial servo drive controller developed for precision motion control in automated machinery, modular production systems, and electrically controlled machine axes. It belongs to the HCS01.1E compact converter platform, a product family used where a single drive unit must combine power conversion, control functionality, communication capability, feedback processing, and safety-related functions within a compact cabinet-mounted design. Public product references for related HCS01 units identify this platform as an IndraDrive compact converter, while Rexroth’s HCS01 overview describes the series as a single-axis drive platform combining power and control units with Ethernet-based communication, multi-encoder interface support, and integrated safety technology.

The full model code HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW should be treated as the primary technical identifier. The order number R911390137 is the procurement reference, but the complete type code is required for replacement confirmation, interface matching, firmware checking, safety verification, and machine compatibility. In practical maintenance work, two HCS01.1E units may have the same W0005 power class but different communication options, encoder interfaces, safety options, and firmware requirements. For this reason, selecting a replacement only by the W0005 rating is not technically safe.

This product is not a servo motor. It is a servo drive controller / compact converter. Its function is to regulate the connected servo motor according to command values from the machine controller. It processes feedback signals, controls current output, supervises operating status, manages communication with the automation system, and supports controlled motion behavior such as speed regulation, torque control, positioning, acceleration, deceleration, and machine-axis coordination.

Technical Specification Table

Product Overview

The REXROTH HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW is designed for compact servo-axis control where high precision, limited installation space, and reliable machine integration are required. The W0005 power class indicates a low-power drive category suitable for smaller or auxiliary servo axes. These axes are often used in production machines where precise movement is required but the mechanical load is not large enough to require a high-power drive system.

Typical machine roles include feeder movement, positioning modules, indexing stations, small transfer axes, rotary handling units, label control, cutting synchronization, inspection positioning, and compact assembly mechanisms. In many modern machines, these low-power servo axes are essential to total system performance. A packaging machine, for example, may use compact servo drives to control sealing position, film feed length, label placement, product spacing, or timing between motion stations. A testing machine may use compact drives for repeatable movement of fixtures, sensors, measuring heads, or loading mechanisms.

The compact structure of this drive controller supports dense electrical cabinet layouts. It is suitable for machine builders who need multiple motion axes in a limited space. It also supports spare-parts standardization because the same HCS01 platform may be used across different machine modules, provided that the exact configuration code is correctly matched.

S5 Safety Configuration Focus

A key distinction of this model is the S5 code in the type designation. Compared with versions ending in NN or other safety-related codes, the S5 version should be handled as a specific safety-configuration variant. In industrial machine systems, safety functions are not interchangeable accessories. They are part of the validated machine safety architecture and must be checked together with wiring, firmware, parameters, machine controller configuration, risk assessment, and commissioning procedure.

When this unit is used as a replacement, maintenance personnel should not assume that another HCS01.1E-W0005 drive without the S5 option will operate correctly or legally in the same machine. If the original system uses a safety-related drive function, replacing it with a different safety configuration may cause safety circuit mismatch, commissioning errors, or non-compliance with the machine’s validated safety design.

The S5 designation should therefore be documented in purchase requests, service reports, inventory records, and replacement instructions. For technical confirmation, the full code HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW should be compared with the existing unit label before installation.

Interface and Communication Characteristics

The model code includes EC and ET interface-related positions. These sections are important because they can influence motor feedback connection, engineering access, communication behavior, and automation-system integration. Public Rexroth HCS01 platform information describes the series as supporting Ethernet-based communication and multi-encoder interface technology, which is relevant to this class of compact drive controller.

In a real machine, the servo drive controller must exchange command data, actual position or speed data, diagnostic information, alarm status, and parameter values with the machine control system. Stable communication is essential for synchronized movement, repeatable process quality, and fast fault diagnosis. If a replacement drive has a different interface arrangement, the physical installation may appear correct while the control system still fails to recognize or operate the axis.

The FW suffix also matters. Firmware is part of the drive’s functional behavior. It can affect communication compatibility, supported functions, parameter structure, safety behavior, and diagnostic handling. For replacement applications, the firmware level should be checked against the original unit and the machine controller project.

Weight and Packaging Information

The estimated net weight of the REXROTH R911390137 HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW is approximately 1.3 kg. This estimate is consistent with common weight references for compact HCS01 drive controllers in this size class, where related HCS01 compact controllers are often listed around 1.30 kg.

For quotation, inventory registration, and preliminary freight calculation, 1.3 kg net weight is a practical reference. However, the actual gross weight can be higher after adding anti-static packaging, protective foam, manuals, labels, cartons, and export packing material. For formal shipping documents, the final packed weight should be measured after packaging.

Because the unit is an electronic drive controller, it should be packed with anti-static protection and shock-absorbing material. It should be protected from moisture, vibration, impact, conductive dust, and electrostatic discharge during transportation and storage.

Application Reference Table

Installation and Commissioning Notes

The drive controller should be installed in a properly designed electrical cabinet. Adequate cabinet ventilation, grounding, cable separation, and protection from environmental contamination are required for stable operation. Power cables, motor cables, feedback cables, safety wiring, and communication lines should be routed according to the machine documentation.

Before commissioning, the installer should verify the supply voltage, control voltage, motor connection, feedback interface, communication connection, safety circuit, firmware status, and parameter set. If this unit is replacing a failed drive, the original parameter file should be backed up before removal whenever possible. After installation, the axis should be tested at low speed and under controlled conditions before returning the machine to normal production.

Replacement Checklist

Product Summary

The REXROTH R911390137 HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW is a compact servo drive controller for precise low-power industrial motion control. It is suitable for automated machines that require controlled axis movement, compact cabinet installation, communication integration, and safety-related configuration matching. Its key distinguishing point is the S5 safety option, which must be verified carefully during replacement or system integration.

For procurement, quotation, inventory control, or maintenance replacement, users should provide both the order number R911390137 and the complete model code HCS01.1E-W0005-A-03-A-CC-EC-ET-S5-NN-FW. The estimated net weight is 1.3 kg, while the final gross weight should be measured after packaging for shipment or export documentation.