Automation

Automation

A technique, method or system of operating a process by highly automatic means, in order to reduce human intervention and increase speed and efficiency.

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Automation > Industrial automation

block-check character (BCC)

Automation; Industrial automation

The 2’s complement of the 8-bit sum (modulo-256 arithmetic sum) of all data bytes in a transmission block. It provides a means of checking the accuracy of each message ...

non-retentive output instruction

Automation; Industrial automation

1) A rung-output instruction that continuously controls the state of the output. Whenever the rung changes state (to true or not true), the output turns on or off. 2) Contrasted ...

channel

Automation; Industrial automation

A path for a signal. Several channels may share a common link.

negative feedback

Automation; Industrial automation

Feedback that is subtractive from the input reference signal. Negative feedback forms the basis for closed-loop control systems.

logic level

Automation; Industrial automation

The voltage magnitude associated with signals in logic circuits.

gray code

Automation; Industrial automation

A binary numbering system that is coded such that sequential numbers are represented by expressions that differ in only one bit, to minimize errors that could otherwise occur ...

bus

Automation; Industrial automation

A single path or multiple parallel paths for power or data signals to which several devices may be connected at the same time. A bus may have several sources of supply and/or ...