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Hydraulic Motion Control - intelligent hydraulics ready for Networking

Hydraulic Motion Control

The digital axis control HMC from Rexroth

The Hydraulic Motion Control (HMC) from Rexroth: open, simple, and flexible

Automation experts all agree: in increasingly networked production environments to Industry 4.0, centralized intelligent axes are the future. Provided they can communicate via open interfaces with higher-level systems. The new Hydraulic Motion Control HMC from Rexroth meets this essential requirement. The future-proof 1-axis controller for hydraulic drives with multi-Ethernet and multi-encoder interfaces as well as PLC programming in accordance with IEC 61131-3 dovetails a wide variety of concepts.

Open communications interfaces and a migration from hydraulic functions into the software are the key prerequisites for decentralized intelligence. The new, drive-based Motion Logic System HMC from Rexroth meets these requirements with open interfaces and the best-in-class hydraulic controller.Increasingly more machine manufacturers are using real-time Ethernet protocols for coordinated motions. Yet this is a decision they are not always free to make. Big end customers are more frequently specifying a preferred protocol in order to standardize the communication architecture. OEMs must therefore equip their series in parallel with different Ethernet variants. The HMC from Rexroth decidedly reduces the costs involved. The HMC's multi Ethernet interface supports all standard protocols on one single piece of hardware: the automation bus Sercos, Ethernet/IP, PROFINET RT as well as EtherCAT and PROFIBUS. The HMC merges an IEC 61131-3-compliant programming language with a powerful motion control for hydraulic drives. As slave, it takes over the decentralized control of an axis where it decouples the hydraulics from the automation process.

The best-in-class hydraulic controller incorporates decades of application experience in the field of hydraulic axis control, which is depicted in ready-touse software. The software automatically offsets the special characteristics of fluid technology. The pre-defined hydraulic functionalities encompass closedloop position, pressure, force, and velocity control, alternating control, and open-loop controlled operation. IndraWorks software supports the commissioning, parameterization, and diagnosis of the HMC.

The HMC from Rexroth opens up new networking possibilities. With the decentralized intelligence and the multi-Ethernet interface, users can easily integrate the physical advantages of hydraulics, such as high power density and simple wear-free overload protection into modern, future-proof machine concepts.

Economical, precise, safe, and energy efficient: drive and control technology from Bosch Rexroth moves machines and systems of any size. The company bundles global application experience in the market segments of Mobile Applications, Machinery Applications and Engineering, and Factory Automation to develop innovative components as well as tailored system solutions and services. Bosch Rexroth offers its customers hydraulics, electric drives and controls, gear technology, and linear motion and assembly technology all from one source. With locations in over 80 countries, more than 33,700 associates generated sales revenue of approximately 5.6 billion euros in 2014.

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About Bosch

The Bosch Group is a leading global supplier of technology and services. It employs roughly 360,000 associates worldwide (as per April 1, 2015). The company generated sales of 49 billion euros in 2014.* Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiary and regional companies in some 60 countries. Including its sales and service partners, Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. In 2014, Bosch applied for some 4,600 patents worldwide. The Bosch Group’s strategic objective is to create solutions for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.”

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*The sales figure disclosed for 2014 does not include the former joint ventures BSH Bosch und Siemens Hausgeräte GmbH (now BSH Hausgeräte GmbH) and ZF Lenksysteme GmbH (now Robert Bosch Automotive Steering GmbH), which have since been taken over completely.# # #


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