Interrupts, Error Messages, Diagnostics And System Alarms; Status And Error Display Of The Cpu - Siemens Simatic S7-1500 Manual
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Interrupts, error messages, diagnostics and system
alarms
The status and error displays of the CPU 1516-3 PN/DP 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 (http://support.automation.siemens.com/WW/view/en/59192926) function
manual.
4.1
Status and error display of the CPU
LED display
The figure below shows the CPU 1516-3 PN/DP LEDs.
①
②
③
④
⑤
⑥
Figure 4-1
32
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)
LINK RX/TX LED for port X2 P1 (yellow/green LED)
LED display of the CPU 1516-3 PN/DP (without front panel)
CPU 1516-3 PN/DP (6ES7516-3AN01-0AB0)
Manual, 09/2016, A5E03461313-AD
4
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