Status Display - Siemens SIMATIC 627B Operating Instructions Manual

Functions

9.6 Status display

9.6 Status display
The status display consists of two 7-segment displays with two dual-color LEDs.
Function of the 7-segment displays
The POST codes of the respective test step are displayed during the startup of the BIOS.
The POST code of the most recently started test step is displayed should an error occur.
Code 00 is displayed when the startup is completed without error.
Application codes can also be displayed if required.
Function of the LED H1, H2
During the BIOS startup, the two LEDs light up in two colors (red and green) in order to test
their operation. The two LEDs switch off when the startup is completed without errors.
Applications can trigger the two LEDs if required.
Note
You can find the documentation for the SIMATIC LED status monitor on the "Documentation
& Drivers" DVD under Documentation > SIMATIC Box PC 627B.
62
(1) LED H2
(2) LED H2
(3) 2 x 7-segment display
SIMATIC Box PC 627B
Operating Instructions, 06/2008, A5E00927393-02