Siemens SIMATIC - SM 321; DI 16 X DC 24 V - Interrupts

Digital modules
3.11 Digital input module SM 321; DI 16 x 24 VDC; with hardware and diagnostic interrupts (6ES7321-7BH01-0AB0)
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
91
3.11.5 SM 321; DI 16 x DC 24 V - Interrupts
Introduction
This chapter describes the interrupt reaction of SM 321; DI 16 x DC 24 V. Always distinguish
between the following interrupts:
● Diagnostic interrupt
● Hardware interrupt
For detailed information on the OBs and SFCs mentioned below, refer to the STEP 7 Online
Help.
Enabling interrupts
There is no default interrupt setting, i.e. interrupts are disabled if parameters are not set
accordingly. You can enable interrupts in STEP 7 (see the chapter Parameters of
SM 321; DI 16 x DC 24 V (Page 86)).