Siemens LOGO! Series Manual page 525

HMI device image
The HMI device image is a file that can be transferred from the configuring PC to the HMI
device. The HMI device image contains the operating system of the HMI device , including
the elements of the Runtime software required for the executable project file.
I/O field
Enables the input or output of values on the HMI device and their transfer to the PLC.
Infotext
A configured infotext provides information about objects within a project. An alarm infotext,
for example, can contain information on the cause and troubleshooting of faults.
Object
An object is a project element such as a screen or an alarm. Objects are used to view or
enter texts and values on the HMI device.
Operating element
An operating element is a project component that is used to enter values and trigger
functions. A button is such an operating element.
Plant
General term referring to machinery, processing centers, systems, plants and processes
which are operated and monitored using an HMI device.
PLC
PLC is a general term for devices and systems with which the HMI device communicates,
e.g. SIMATIC S7.
PLC job
A PLC job triggers a function at the HMI device.
Process visualization
Denotes visualization of technical processes by means of text and graphic elements.
Configured plant screens enable intervention in runtime plant processes by means of data
input and output.
Basic Panels
Operating Instructions, 04/2012, A5E02421799-03
Glossary
153