Diagnostic Interrupts; Enable Diagnostic Interrupts - Siemens S7-300 Operating Instructions Manual
Fm 352 electronic cam controller
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12.3
Diagnostic interrupts
12.3.1
Enable diagnostic interrupts
Interrupt processing
The FM 352 can trigger hardware and diagnostic interrupts. Process those interrupts in an
interrupt OB. If an interrupt is triggered and the corresponding OB is not loaded, the CPU
goes to STOP mode (refer to the
You enable the servicing of diagnostic interrupts as follows:
1. Select the module in HW Config
2. Select Edit > Object Properties > Basic Parameters to enable the diagnostic interrupt.
3. Save and compile the hardware configuration.
4. Download the hardware configuration to the CPU.
Overview of the Diagnostic Interrupts
Events and errors triggering a diagnostic interrupt:
● Operating error
● Incorrect machine data (when parameters assigned with SDB)
● Incorrect cam data (when parameters assigned with SDB)
● Diagnostic errors
These errors are explained in detail in the appendix "Error classes (Page 190)".
FM 352 electronic cam controller
Operating Instructions, 05/2011, A5E01071724-03
Programming with STEP 7
Diagnostics
12.3 Diagnostic interrupts
Manual).
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