Evaluation Of The 7-Segment Display - Siemens SINUMERIK 840D sl Commissioning Manual

Service and diagnostics

6.2 Evaluation of the 7-segment display

6.2 Evaluation of the 7-segment display
Application
The 7-segment display is intended for PCU diagnostics in operation without a local OP
(headless mode). If an error is detected during booting, a local display is needed for
subsequent error analysis of the connection.
The two displays have the following function:
Figure 6-1
● Segment display H1
Segment display H1 and the associated LED are assigned to the PCU basic software.
Status codes are output during system booting, normal operations and shutdown.
Compatibility in relation to the NCU modules is taken into account.
● Segment display H2
Segment display H2 and the associated LED are assigned to the application software.
Meaning of status codes
● During system power-up:
LED H1
Orange
Orange
Orange
86
7-segment display on the PCU 50.5
LED H2 7-segment
display
Orange Output of
BIOS post
codes
Off
Off
1
2
5
8
9
A
Status
After switching on the system
After cycling the BIOS
After starting Windows
0 Start Windows
0 PCU hardware service
0 Network
0 TCU support test step 1 Wait for FTP server to start
0 TCU support test step 2 Wait for boot server to start for
0 TCU support test step 3 Wait for VNC server to start
Commissioning Manual, 03/2013, 6FC5397-1DP40-3BA1
Load device drivers needed for
the Windows start
The PCU hardware service has
been started.
Wait for network interfaces to
be ready.
TCU network boot and for TCU
hardware service to start
PCU Base Software (IM10)