Xem 1-4 trên 4 kết quả Plc access systems
  • During the last decades, the usage of telecommunications systems has increased rapidly. Because of a permanent necessity for new telecommunications services and additional transmission capacities, there is also a need for the development of new telecommunications networks and transmission technologies. From the economic point of view, telecommunications promise big revenues, motivating large investments in this area.

    pdf292p ptng13 06-06-2012 52 13   Download

  • The performance of current transport systems is inadequate when viewed in terms of economic efficiency, sustainability, and safety. Towards Better Performing Transport Networks examines the tools that are necessary to effectively measure these systems and those that are required to improve them. Utilising advanced tools of network analysis, the contributors challenge various pieces of conventional wisdom and in particular the view that intermodal transport is more environmentally benign than road transport.

    pdf393p baobinh1311 25-09-2012 19 4   Download

  • .Connection Oriented Transport Protocol Mechanisms „ „ „ „ „ Logical connection Establishment Maintenance termination Reliable e.g. TCP .Reliable Sequencing

    ppt60p trada85 18-01-2013 25 5   Download

  • Despite the great technological advancement experienced in recent years, Programmable Logic Controllers (PLC) are still used in many applications from the real world and still play a central role in infrastructure of industrial automation. PLC operate in the factory-floor level and are responsible typically for implementing logical control, regulatory control strategies, such as PID and fuzzy-based algorithms, and safety logics. Usually PLC are interconnected with the supervision level through communication network, such as Ethernet networks, in order to work in an integrated form....

    pdf178p 123859674 30-06-2012 102 48   Download

Đồng bộ tài khoản