Mobile Client900WXN
Operating Instructions, 04/2015, A5E35883103-AB
89
Glossary
Automation system
Controller of the SIMATIC S7 series such as a SIMATIC S7-300
Bootloader
Used to start the operating system. Automatically started when the HMI device is switched
on. After the operating system has been loaded, the Loader opens.
EMC
Electromagnetic compatibility is the ability of electrical equipment to function properly in its
electromagnetic environment without affecting this environment.
HMI device
An HMI device is a device used for the operation and monitoring of machines and plants.
The statuses of the machine or plant are indicated by means of graphic elements or by
indicator lamps on the HMI device. The operator controls of the HMI device allow the
operator to interact with the processes of the machine or plant.
Plant
General term referring to machines, processing centers, systems, plants and processes
which are operated and monitored on an HMI device.
PLC
A PLC is a general term for devices and systems with which the HMI device communicates,
e.g. SIMATIC S7.
Project
Result of a configuration using configuration software. The project normally contains several
screens with embedded system-specific objects, basic settings and alarms.
Web server
A variety of IPCs have a Web server that provides the machine or plant picture as an HTML
page. When a Mobile Client connects to the Web server, the HTML page is displayed on the
Mobile Client.