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Entry type: FAQ Entry ID: 109758575, Entry date: 07/16/2018
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Why, with GSDML files for SINAMICS drives, is the "Hardware interrupt triggers" field displayed with the selection box for hardware interrupt OBs?

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The SINAMICS drives do not support hardware interrupts. The "Hardware interrupt triggers" field is displayed by STEP 7 also with SINAMICS drives, but it has no function.


If you incorporate a SINAMICS drive via a GSDML file in a STEP 7 project with a SIMATIC S7-400 CPU, the "Hardware interrupt triggers" field is displayed in the hardware configuration in "Properties - Standard Telegram 1". There you could select a hardware interrupt OB 4x (40 to 47).
 


Fig. 1

The SINAMICS do not support hardware interrupts. However, the "Hardware interrupt triggers" field is displayed by STEP also with SINAMICS drives. 
But, because the SINAMICS drives do not support hardware interrupts, a hardware interrupt is never triggered and selection of an OB has no function.


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