Interrupts, diagnostics, error messages and system
events
The following section describes the status and fault displays of the CPU 1516pro-2 PN.
You can find more detailed 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.industry.siemens.com/cs/ww/en/view/59192926) function
manual.
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CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
Operating Instructions, 11/2019, A5E35873416-AC
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