Monday, May 16, 2011

PLC Architectures for Data Acquisition Work Cell

The proprietary traditional PLCs architectures are timely industrial system designers to discover the solutions alternative. As an option, PCs recommend standard GUIs, hardware, and software but may require in ruggedized requirements and support of high-level. A center ground is rising to present system designers the best of both worlds. This article describes a variety of paths to achieve in system design of factory automation.

The machine and process control system challenges plans have for many years been addressed throughout one of two traditional solution paths. One advance has been depend on the PLC (programmable logic controller) installation from a leading vendor for example General Electric, Allen-Bradley, or Siemens. Some PLCs have characteristically been proprietary systems -- when you choose a vendor and PLC family you are protected into the corresponding boards and functions that are offered to that particular line. While this advance presents knowledgeable support, easy-to integrate hardware, and high quality components, it also is stopped to curious implementations or differences of standard configurations.

The alternatives for the PLC programming have been limited to traditionally ladder logic and more newly cross-development from a PC. Nevertheless, the systems are still usually depend on architecture of PLC that is stopped - as a minimum mechanical and electrically. For fear that where the application of industrial is an individual process -- a screw machine controlling or a painting head, for instance -- the PLCs have served up well as personality islands of industrialized control. Nevertheless, plant automation has developed into complicated, interrelated manufacturing cells. The data flow process control growing from the cell into the system of MRP, as reconfigurable process dynamically strides flow downwards.

JIT (Just in Time) and a growing number of presented products are the drivers near reconfigurable industrialized. Linking the work cells into the manufacturing MRP system needs new interfaces communication, and also makes a demand for additional data acquisition and statistical information at the work cell.

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