| http://www.w3.org/ns/prov#value | - Referring to FIGS. 1 and 2, one or all of the blocks of FIGS. 7, 8, 14, and 15 may be implemented by one or more a controller such as the controller 12B, the controller 14B, and the controller 60, an I/O device such as the I/O card 12C, the I/O device 68, the I/O device 70, a field device such as a field device 15, a field device 16, a field device 64, a field device 66, an operator interface devi
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