Siemens SIMATIC HMI KP400 Comfort Operating Instructions Manual page 238

Glossary
Boot loader
The boot loader is used to start the operating system and is started automatically after power
on of the HMI device. The loader is displayed after the operating system has loaded.
Configuration PC
A configuration PC is a programming device or PC on which system projects are created
using engineering software.
Configuration software
Configuration software is used to create projects used for the purpose of process
visualization. WinCC represents such configuration software, for example.
Controller
Controller is a general term for devices and systems with which the HMI device
communicates, for example SIMATIC S7.
Degree of protection
The degree of protection specifies a standard of electronic equipment for a variety of
ambient conditions – and the protection of humans against potential danger when using this
equipment.
The degree of protection classified by IP differs from the protection class. But both involve
protection against touching dangerous electric voltage. The degree of protection also
classifies the protection of equipment against dirt and moisture.
Display duration
Defines whether a system event is displayed on the HMI device and the duration of the
display.
EMC
Electromagnetic compatibility (EMC) refers to a usually desirable state, in which technical
equipment does not disturb one another with unwanted electrical or electromagnetic effects.
Electromagnetic compatibility deals with technical and regulatory questions of undesired,
mutual influence in electrical engineering.
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Operating Instructions, 07/2017, A5E36770603-AB
Comfort Panels