Interrupts and diagnostic, error, and system alarms
6.3 Alarms
Interface module IM 155-5 MF HF (6ES7155-5MU00-0CN0)
52 Equipment Manual, 11/2023, A5E53268530-AA
Causes of error and corrective measures
The error causes and corrective measures of the diagnostic alarms are described in the
manuals for the I/O modules
(http://support.automation.siemens.com/WW/view/en/67296522/133300) in the
Interrupts/Diagnostic alarms section.
See also
Channel diagnostics (Page 54)
6.3.2 Maintenance events
Triggering of a maintenance event
The PROFINET interface of the interface module supports the diagnostic concept and
maintenance concept in PROFINET according to the IEC 61158-6-10 standard. The goal is to
detect and remove potential problems as soon as possible.
For the interface module, maintenance events signal to the user when a network component
must be checked or replaced.
The CPU interrupts user program execution and executes the diagnostic interrupt OB. The
event that triggered the maintenance event is entered in the start information of the
diagnostic interrupt OB.
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