Siemens SIMATIC S7-1500R/H

CPU1517H-3PN (6ES7517-3HP00-0AB0)
Equipment Manual, 11/2022, A5E42011886-AD
30
Interrupts, diagnostics, error messages and system
events
5
5.1 Status and error display of the CPU
The LED displays of the CPU are described below.
You can find more detailed information on "Interrupts" in the STEP7 online help.
You can find additional information on the topic of "Diagnostics" and "System events" in the
Diagnostics (https://support.industry.siemens.com/cs/ww/en/view/59192926) function
manual and in the system manual Redundant System S7‑1500R/H
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
You can find additional information on the topic of "Operating states and system states" as
well as various failure scenarios in the system manual for S7‑1500R/H Redundant System
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
LED display
The figure below shows the LED displays of the CPU1517H‑3PN.









① RUN/STOP LED (yellow/green LED)
② ERROR LED (red LED)
③ MAINT LED (yellow LED)
④ LINKRX/TX LED for port X3P1 (yellow/green LED)
⑤ LINKRX/TX LED for port X4P1 (yellow/green LED)
⑥ No function
⑦ LINKRX/TX LED for port X1P1 (yellow/green LED)
⑧ LINKRX/TX LED for port X1P2 (yellow/green LED)
⑨ LINKRX/TX LED for port X2P1 (yellow/green LED)
Figure 5-1LED display of the CPU1517H‑3PN (without front panel)