Service and diagnostics
5.2 Evaluation of the 7-segment display
PCU-Basesoftware (IM8)
122 Commissioning Manual, 02/2014, 6FC5397-1DP40-4BA0
Evaluation of the 7-segment display
Intended use
The 7-segment display is intended for PCU diagnostics in operation without a local OP
(known as "Headless mode"). If an error is detected during booting, a local display is needed
for subsequent error analysis of the connection.
Figure 5-1 7-segment display with LEDs
The two displays have the following function:
● 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.
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