Siemens SIMATIC 627B Operating Instructions Manual page 29

Status display
The status display consists of two 7-segment displays with two dual-color LEDs.
Power On
(= status display test)
BIOS self-test
BIOS self-test completed
Operating system running or
controlled by application
Operating system shutting down
SIMATIC Box PC 627B
Operating Instructions, 06/2008, A5E00927393-02
(1) LED H2
(2) LED H2
(3) 2 x 7 segment display
7 segment display
88h
xxh (see BIOS post code)
00h
00h
88h
Description
3.7 Design
LED H1 LED H2
Orange Orange
Off Off
Off Off
Off Off
Off Off
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