Early interconnection schemes employed point-to-point wiring where individual wires connected input and output devices to host controllers. On large automation jobs, this could account for tens and even hundreds of thousands of points of termination. To cut down on wiring cost and installation time, multi-conductor cables became popular. The next innovation was the advent of the bus system. Rather than communication between device and host controller using a bulky home run cable, bus systems collect signals from multiple devices and transmit them on a single cable. Many digital networks are in use today for industrial automation applications. These networks range from low-level systems that gather data from simple discrete devices to sophisticated networks in which intelligent devices implement distributed control. Lumberg Automation offers a complete suite of products and include:
Engineers only need to make minimal changes to the hardware if their
end customers use different transmission protocols for the connection of
systems to their communications network. Only the BusHead requires an
address setting, the fieldbus independent I/O modules do not require
commissioning. Module addressing and terminating resistors are not
required in either link line. Both features contribute to protection
against manipulation.
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