Interrupts, Error Messages, Diagnostics And System Alarms; Status And Error Display Of The Cpu; Key Statement; Led Display Of The Cpu 1511T-1 Pn (Without Front Panel) - Siemens S7-1500 User Manual

Interrupts, error messages, diagnostics and system
alarms
The status and error displays of the CPU 1511T-1 PN are described below.
You can find additional information on the topic of "Interrupts" in the STEP 7 online help.
You can find additional information on the topic of "Diagnostics" and "System alarms" in the
Diagnostics (http://support.automation.siemens.com/WW/view/en/59192926) function
manual.
4.1

Status and error display of the CPU

Key statement

The following figure shows the LED displays of the CPU 1511T-1 PN.
①
②
③
④
⑤
Figure 4-1
CPU 1511T-1 PN (6ES7511-1TK01-0AB0)
Manual, 09/2016, A5E36270833-AA
RUN/STOP LED (yellow/green LED)
ERROR LED (red LED)
MAINT LED (yellow LED)
LINK RX/TX LED for port X1 P1 (yellow/green LED)
LINK RX/TX LED for port X1 P2 (yellow/green LED)

LED display of the CPU 1511T-1 PN (without front panel)

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