R911374301 (HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW)

HCS IndraDrive Controllers

HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW Series Image

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The Bosch Rexroth R911374301 (HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW) is an HCS Drive Controller designed for precise control of IndraDrive systems in industrial automation environments, including machine tools and material handling systems. The unit features MultiEthernet communication, supports encoder interfaces such as IndraDyn Hiperface/EnDat 2.1/2.2, and provides encoder emulation. Safety functions include STO (Safe Torque Off) and SBC (Safe Brake Control). The controller operates at 3 x AC 200...500 V ±10%, with a device peak current of 8 A, and uses air cooling via an integrated blower. It features a DC bus connection, hall sensor adaptor for MCL linear motors, integrated brake current monitoring, a scalable signal processing architecture, and a programming module function on the control panel. Firmware must be ordered separately.

Technical Specifications

Product Type
Drive Control Unit

Connection Features
DC Bus Connection, Hall Sensor Adaptor Box

Safety Features
Multiple inbuilt Safety Technologies

Frequently Asked Questions

What does Safe Brake Control provide on the HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW?

Safe Brake Control issues a fail-safe brake command to engage mechanical brakes during safety events, supplementing electronic torque removal. This ensures mechanical restraint even where electric torque cut alone would be insufficient due to residual energy or external forces.

How does STO complement SBC in the HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW?

STO removes the drive’s torque capability while SBC ensures the brake is applied, providing dual-layer protection that reduces risk of unintended movement. These functions together meet stricter safety requirements for machines handling heavy or hazardous materials.

What is the benefit of MultiEthernet on the HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW?

MultiEthernet lets the drive interface with multiple Ethernet-based networks, easing integration with modern PLCs and supervisory systems. That flexibility reduces the need for protocol converters and simplifies network topology in complex plants.

How does the infeeding and feeded power supply arrangement support the HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW?

The power architecture supports regenerative energy handling, allowing returned energy to be reused on the bus or fed back to the supply where permitted. This improves energy efficiency in cyclic motion applications and reduces brake resistor usage.

How does pairing with the BASIC control section affect configuration for the HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW?

BASIC pairing streamlines parameter sets and minimizes unnecessary advanced options, facilitating faster commissioning for standard applications. Integrators still retain essential tuning parameters for accurate motion behavior.

Common Misspellings

Internal Product Review

HCS01.1E-W0008-A-03-A-ET-EC-EM-L4-NN-FW is a top rated model that basically integrates both Safe Torque Off and Safe Brake Control for genuine functional safety redundancy. This combination secures electronic torque removal while commanding mechanical brake engagement.