Operating Units With Key-Based Front Panels; Status Indicators - Siemens Panel PC 670 Equipment Manual

Description of Device
2.1

Operating units with key-based front panels

Status indicators

Display
USB interface
Fig. 2-1 Example: 12" version of the operating unit with key-based front panel
2.1.1 Status indicators
2-2
The number of keys, their labeling and their functionality are identical on all
operating units featuring key-based front panels. The various types of front
panel differ only in the arrangement the keys and the size and type of dis-
play. Figure 2-1 shows the front view of the 12" version as an example to
illustrate the status indicators, the different keypads, the USB interface,
display and mouse.
Function keys/soft keys
Information about the operation status is supplied by the two LEDs at the
upper left side of the keyboard:
S
The left LED ("POWER") lights when the power supply works
S
The right LED ("TEMP") lights when a temperature threshold is excee-
ded (see "SOM–program" in chapter 7 of the "Computing Unit" manual).
SIMATIC Panel PC 670 / 870 Operating Unit, Equipment Manual
Alpha, numeric, cursor and control keys
Integrated mouse
Edition 07/02