Siemens SIMATIC ET 200SP Equipment Manual - Page 25

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Siemens SIMATIC ET 200SP Equipment Manual
Interrupts, error messages, diagnostics and system
alarms
The status and error displays of the CPU 1512SP‑1 PN are described below.
You will find additional information on "Interrupts" in the STEP 7 online help.
You can find additional information on the topics of "Diagnostics" and "System alarms" in the
Diagnostics (https://support.automation.siemens.com/WW/view/en/59192926) function
manual.
5.1

Status and error display of the CPU

LED displays
The figure below shows the LED displays of the CPU 1512SP‑1 PN and the BA 2xRJ45
BusAdapter.
①
②
③
④
⑤
⑥
Figure 5-1  LED displays on the CPU and BusAdapter
Meaning of the POWER, RUN/STOP, ERROR and MAINT LEDs
CPU 1512SP‑1 PN features an LED for monitoring the supply voltage of the electronics (PWR)
and three LEDs for displaying the current operating and diagnostics status. The following
CPU 1512SP-1 PN (6ES7512-1DM03-0AB0)
Equipment Manual, 11/2022, A5E33591411-AE
RUN/STOP LED (green/yellow LED)
ERROR LED (red LED)
MAINT LED (yellow LED)
LINK RX/TX-LED for the ports X1 P1 and X1 P2 (green LEDs on the BusAdapter)
POWER LED (green LED)
LINK RX/TX LED for port X1 P3 (green LED on the CPU)
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