Introduction to Allen-Bradley Data Highway (DH) Networks
Understanding Allen-Bradley Data Highway Networks and Their Integration with Ethernet Allen-Bradley’s Data Highway (DH) network, developed in the late 1970s, revolutionized industrial automation by providing a proprietary network bus for connecting PLCs, remote I/O systems, PCs, and HMIs. This robust network has evolved over time, with variations such as DH, DH+, DHII, and DH485, each […]
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