Triggering Of A Diagnostic Interrupt - Siemens SIMATIC ET 200MP User Manual

Interface module im 155-5 pn hf

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System diagnostics

In STEP 7 (TIA Portal) as of V12, innovative system diagnostics is available for devices of

the S7-1500 automation system and ET 200MP. Independently of the cyclical user program,

alarms are made available on the display of the S7-1500 CPU, to the S7-1500 CPU web

server, to the HMI device and in STEP 7.

For additional information on the system diagnostics, refer to the System diagnostics

function manual (http://support.automation.siemens.com/WW/view/en/59192926).

5.2.1

Triggering of a diagnostic interrupt

For an incoming or outgoing event (e.g., wire break on a channel of an I/O module), the

module triggers a diagnostic interrupt if this is configured accordingly in STEP 7 (TIA Portal).

The CPU interrupts user program execution and executes the diagnostic interrupt OB. The

event that triggered the interrupt is entered in the start information of the diagnostic interrupt

OB.

IM 155-5 PN HF Interface Module (6ES7155-5AA00-0AC0)

Manual, 10/2018, A5E32840985-AB

Interrupts and diagnostic, error, and system alarms

5.2 Interrupts

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