Glossary
Hub
In a network, a device joining communication lines at a central location, providing a common connection to all devices on the network. The term is an analogy to the hub of a wheel.
Hyperlink
A connection between an element in a hypertext document, such as a word, phrase, symbol, or image, and a different element in the document, another document, a file, or a script. The user activates the link by clicking on the linked element, which is usually underlined or in a color different from the rest of the document to indicate that the element is linked.
I
IDE
Integrated Device Electronics is a type of
Infrarot
Acronym: IR. Having a frequency in the electromagnetic spectrum in the range just below that of red light. Objects radiate infrared in proportion to their temperature.
Industrial Ethernet
Bus system based on the Ethernet standard. Components of the SIMATIC S5 and S7 series (programming devices, programmable logic controllers, programmable control systems) can be networked using Industrial Ethernet NICs.
Interface module
Module for the connection of peripheral hardware.
Interrupt
When the processor receives an interrupt, it suspends its current operations, saves the status of its work, and transfers control to a special routine known as an interrupt handler. This routine processes an instruction set to deal with the particular situation that caused the interrupt. Interrupts can be generated by various hardware devices to request service or report problems.
SIMATIC Box PC 620 Manual | |
