Siemens SIMATIC S7 System Manual page 334

Program instructions
7.10 Interrupt
Example 3: Clear interrupt event instruction
LAD
SBR 1
Network 1
SBR 1
Network 2
334
HSC instruction wizard:
Set control bits, write preset.
PV = 6
Attach interrupt
HSC1_STEP1:
CV = PV for HC1
Configure HSC 1.
Clear unwanted interrupts
caused by machine vibration.
System Manual, V2.3, 07/2017, A5E03822230-AF
STL
Network 1
LD SM0.0
MOVB 16#A0, SMB47
MOVD +6, SMD52
ATCH HSC1_STEP1, 13
Network 2
LD SM0.0
CEVNT 13
S7-200 SMART