Allen-Bradley micrologix 1500, Руководство пользователя

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Publication 1764-UM001A-US-P
Glossary 3
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A collection of data or logic organized into groups.
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A mode of communication where data may be transmitted and received
simultaneously (contrast with half-duplex).
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A mode of communication where data transmission is limited to one direction at a
time.
KDUG GLVN
A storage device in a personal computer.
KLJK E\WH
Bits 8 to 15 of a word.
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The portion of the scan when the controller performs internal checks and services
communications.
LQSXW GHYLFH
A device, such as a push button or a switch, that supplies an electrical signal to the
controller.
LQSXW VFDQ
The controller reads all input devices connected to the input terminals.
LQUXVK FXUUHQW
The temporary surge of current produced when a device or circuit is initially
energized.
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A mnemonic defining an operation to be performed by the processor. A rung in a
program consists of a set of input and output instructions. The input instructions
are evaluated by the controller as being true or false. In turn, the controller sets the
output instructions to true or false.
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The set of instructions available within a controller.
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Input and Output
MXPS
Changes the normal sequence of program execution. In ladder programs a JUMP
(JMP) instruction causes execution to jump to a specific rung in the user program.
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