Siemens Simatic S7-300 Instrukcja Obsługi Pobierz pdf (Strona 192)

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Digital modules

3.29 Digital output module SM 322; DO 8 x DC 24 V/ 0.5 A; with diagnostics interrupt; (6ES7322-8BF00-0AB0)

S7-300 Module data

192 Manual, 02/2013, A5E00105505-08

3.29.4 SM 322; DO 8 x DC 24 V/0.5 A - Interrupts

Introduction

The SM 322; DO 8 x DC 24 V/0.5 A can trigger diagnostic interrupts.

For detailed information on the OBs and SFCs mentioned below, refer to the

STEP 7

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Help.

Enabling interrupts

There is no default interrupt setting, i.e. interrupts are disabled if parameters are not set

accordingly. Program the interrupt enable parameter in STEP 7.

Diagnostics interrupt

Incoming error events (initial occurrence) and outgoing error events (error is cleared) are

reported by means of diagnostics interrupt, if this interrupt is enabled.

The CPU interrupts user program execution in order to process diagnostics interrupt OB82.

You can call SFC51 or 59 in OB82 in the user program to view detailed diagnostics data

output by the module.

Diagnostics data remain consistent until the program exits OB82. The module acknowledges

the diagnostics interrupt when the program exits OB82.

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