Industrial automation

Industrial automation

Industry: Automation

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Industrial automation

Direct memory access (DMA)

Automation; Industrial automation

The process of one intelligent device accessing the memory of another, bypassing the other processor’s general registers.

TNS field

Automation; Industrial automation

Transaction field. A 16-bit field that indicates which message transaction is taking place.

Trunk-line/drop-line configuration (for parallel connection)

Automation; Industrial automation

1) In a linear arrangement of parallel (bus) connections, a physical configuration such that each device is connected to the bus at the end of a drop-line that is connected to a tap at the junction ...

Manipulated variable (M) (control variable)

Automation; Industrial automation

A quantity or condition that is varied (by the controller) as a function of the actuating error signal so as to change the value of the controlled variable. A quantity or condition that the ...

Function keys

Automation; Industrial automation

Keys on a keyboard labelled F1, F2, F3, etc. The function of each of these keys is defined by software and a key may have a different function for each menu display.