Hardware interrupt from I/O coupler

Hi,

I have a network like in attach, and I want to add Hardware interrupt from I/O coupler wago 750-375, but I have nothing in triger of Hardware interrupt,

How can I add Hardware interrupt from this I/O coupler?

Hello Automotiv3;

Here is additional information on setting triggers for OB40 (Hardware interrupt):

What is a hardware interrupt and how do they work in the S7-300 system?

https://support.industry.siemens.com/cs/ww/en/view/23657941

The screenshot below is taken from the System and Standard Functions manual:

https://support.industry.siemens.com/cs/ww/en/view/109751826

Edit: I just saw you last reply. To introduce an new OB in your program, you must create it (New Block, type: OB, then give it a name: 40). Then, in theblocks local data (that you can use in the OB40 programming, you can set the trigger signal to launch the OB.

From the first link above:

Alarm OBs in SIMATIC S7-300:
In SIMATIC S7-300 CPUs, temporary local data is made available in the alarm OB40. The channel/bit where the hardware interrupt event occurred is specified through this temporary local data.

Hope this helps,

Daniel Chartier

Automotiv3

I still can't see hardware interrupt(attch)

Hi Automotiv3,

May be this will help you.Please check attachment.

Read manual for diagnostics Page no 96 Search it on Google.Link

Br,

AmolG.

This says:

In case an option module represents an I/O module with diagnostics no notifications will be sent to the IO controller, even if the channel diagnosis is enabled. For option modules there are no flash sequences concerning an error indicated on the IO-LED of the fieldbus coupler.

I have the diagnostic of external module enable, but I still don't know how to set hardware interrupt