Tuesday 25 November 2014

3 Phase motor drives.

The motion control offering of ABB now includes a range of three-phase AC motor drives providing remarkable system building flexibility for high-power and continuous machinery and motion control applications.

The integrated features of the new MotiFlex e180 range means that the drive platform can be used - without additional hardware - in almost any type of application: with a host of different control systems architectures and communications and motor feedback schemes.

At the heart of this universal system integration capability is flexible real-time Ethernet compatibility and feedback interfacing, built-in functional safety, and the ability to be used in many different types of control system architectures - from centralized control to intelligent stand-alone motion solutions. The drives may even be configured using a range of different continuous/peak power output modes to optimize them for applications with different precision, dynamic performance and duty cycle requirements. Thanks to this flexibility, ABB expects the new MotiFlex drives to appeal to OEMs and automation engineers designing for an exceptionally broad range of continuous and heavy-duty application sectors including printing, papermaking, converting, textiles, plastics and steel production.

MotiFlex e180 is an all-new design, but one which builds on the success of ABB's earlier three-phase Ethernet Powerlink-compatible e100 drive range, and offers a flexible upgrade path. In total, nine new drives offer a choice of continuous power outputs up to 90A, and peak outputs up to a maximum of 120A. Four different continuous/peak output level and time combinations can be selected for each of the nine power levels, providing great scope for matching drive performance to specific applications - including extended lifecycle operation in 24/7 environments.

At the heart of the drive's flexibility is a universal Ethernet communications capability. MotiFlex e180 drives may be software-configured for EtherCAT, Modbus TCP, Ethernet/IP or Powerlink based systems - with further options in development. The drives also support many different forms of feedback including incremental and digital absolute encoders with different output formats, resolvers and the new generation of Hiperface DSL encoders which combine motor power and feedback in a single cable and offer significant cost savings on cabling and installation time for companies building large multi-axis systems.

Integrated safety is another core feature of the design, and MotiFlex e180 drives feature dual-channel support for Safe Torque Off (STO) functional safety, conforming to PL e SIL3. Each drive also comes with a substantial range of built-in I/O including six digital inputs, two fast latch inputs, four digital outputs, two analog inputs and an analog output, a high power relay output, and a PTC sensor for motor thermal protection.

MotiFlex e180's extensive built-in functionality allows drives to be employed in many different control system architectures. The software-selectable Ethernet communications capability makes it easy to build systems using PLCs from any vendor.

Alternatively, the drives' intelligence can be used in more decentralized architectures, performing profiling locally on the drive and reducing the load on the central controller. Unusually for this kind of architecture, ABB's generic drive interface can be customized easily, making it easy for machinery OEMs to create application-specific functionality.

In addition to working with centralized PLC or PC controllers, ABB offers its own embedded machinery controllers including the NextMove e100 - which is ideal for Powerlink-networked systems - and a brand new high-performance addition to ABB's well-known AC500 PLC range for EtherCAT-networked systems.

MotiFlex drives may also be used as intelligent motion control solutions in process automation applications or distributed systems - again, without any additional hardware. The drives' extensive built-in I/O makes it easy for developers to create really economic stand-alone solutions, and the availability of ABB's rich MINT language makes it possible to program the drives to perform highly sophisticated motion control tasks.

"MotiFlex e180 offers OEMs and automation engineers a drive range that is almost limitless in its applications potential," says Product Manager Jari Suntila of ABB. "It can be configured in so many different ways, for different control architectures, feedback schemes and communications networks - that it really represents a universal platform for high power applications. The integrated flexibility is also provided with great economy, thanks to an intense focus during the design phase on modularity and design for manufacturing."

The new e180 drive family further extends what is believed to be the most comprehensive range of automation solutions for motion control available worldwide. ABB's range provides developers and users with the spectrum of automation components required for industrial motion control applications - from control of axes to control of the complete machine, including HMIs and factory networking. Among many highlights of the range on show at the major SPS IPC Drives exhibition, were ABB's award-winning single-phase Ethernet-compatible drive range, the e150 family, and a brand new high-performance Ethernet-rich machinery controller compatible with ABB's well-known AC500 range - the AC595. In combination, this range provides immense flexibility for powering machine innovations.

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