7-Segment Display - Siemens SIMATIC S7-1500 Manual

Interrupts, diagnostics alarms, error messages and system alarms
4.1 Status and error displays
4.1.5

7-segment display

In addition to the LED display, the 7-segment display indicates further status information
during commissioning and cyclic operation.
Table 4- 6
7-segment dis-
play
Reset
At POWER ON, the SIMATIC Drive Controller performs a reset. During a reset, all segments
including the two dots are briefly lit (lamp test).
See also
View of SIMATIC Drive Controller without front covers (Page 33)
68
7-segment display
Meaning
Missing or insufficient supply voltage on the CPU
HW states before the start of the CPU firmware
Startup of the CPU
Startup of CPU complete (0 = STOP or RUN state)
Function selection (1 = Save service data)
Save service data function active (d = data)
Exit function selection mode (E = Exit)
Freeze
While in Freeze state, the LEDs retain their last display status and the RUN/STOP
Led flashes red.
SIMATIC Drive Controller
Equipment Manual, 11/2019, A5E46600370-AA