When a linear or rotary axis must follow a predefined move profile to reach or maintain a precise position, speed, or torque, a closed-loop servo system is often the best choice. Feedback from an encoder — mounted on the motor or directly on the axis — provides information regarding the system’s actual state (position, speed, […]
Video: Yaskawa GA800 ac drive for industrial applications
In a recent Design World video with my super-smooth colleague Mike Santora, I got the chance to play with a GA800 ac drive demo from Yaskawa America Inc. This VFD includes network communications, embedded functional safety, and easy-to-use tools (including a smartphone app) for configuration and remote access. Yaskawa sent us a sample of the […]
B&R safety controller boosts intelligent safety for mobile equipment
The X90 control and I/O system for mobile equipment is now available with integrated safety technology. Intelligent safety functions and extremely short response times are the key to a whole new realm of possibilities for the safe operation of outdoor plants and mobile machinery. The control system meets the ISO 13849 mobile machinery requirements up […]
New motion server allows control of 128 motion axes
The IMAC Ethernet Motion Server from IntelLiDrives is a new Internet accessible distributed motion control technology for automation applications. It uses TCP/IP over Internet to control with a single IMAC Motion Server up to 128 servo or stepper IDrives axes. This open architecture allows seamless integration with Digital I/O, Vision Systems and additional equipment such […]
What are OSCAT files and how do they relate to CODESYS?
The IEC 61131-3 standard provides a vendor-independent, standardized programming interface for PLCs and automation controllers by defining five programming languages, along with rules for syntax and semantics. Using the languages and structure set out in IEC 61131-3, programmers and developers can more easily and efficiently define and build control software specific to their markets or applications. […]
ETEL adds EtherCAT option to its AccurET controls
Available in North America from HEIDENHAIN CORPORATION is a new version of the ETEL-brand AccurET controls with EtherCAT compatibility. As EtherCAT communication moves from “mid-end” automation to more high-end machine control applications, demand for this has been increasing. With that in mind, ETEL now allows its product users to take full advantage of its line […]
Kollmorgen launches new version of Motioneering, its online servo sizing tool
Kollmorgen’s next generation of Motioneering is faster and more intuitive, offers customizable-to-application requirements, allows side-by-side comparison of multiple systems, and enables user access to the latest products and updates. Motioneering, the company’s innovative servo sizing tool, was introduced more than 20 years ago to help mechanical design engineers find the ideal motion products to build […]
Motion-failure alarm from Siemens supports commissioning and configuration
Siemens now sells a Sitrans WM300 motion failure alarm (MFA) to detect changes in the motion and speed of rotating, reciprocating, or conveying equipment. This alarm acts as an early warning system for a plant’s machinery, alerting users to potential problems in their operations before they occur or develop into something more serious. This versatile […]
What does software for motion controllers look like?
Software for motion controllers can mean a few different things, so it helps to clear up exactly what is meant by the phrase. For one thing, it can refer to the programming of motion controllers; that is, telling the controller what exactly to do in a system. It can also refer to other aspects including […]
What are program organization units (POUs) in PLC programming?
The software model for PLCs, as defined in the IEC 61131-3 standard, Programmable Controllers – Part 3: Programming Languages, consists of, at the top level, a configuration. The configuration defines the hardware structure and logic of the PLC system and contains resources (the PLC or PAC, for example), which are able to execute programs. These […]
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