Siemens SIMATIC S7-300 Reference Manual page 41

Basic instructions
✔ ✔ ✔ ✔
Cancel time-of-day interrupt
✔ ✔ ✔ ✔
Enable time-of-day interrupt
✔ ✔ ✔ ✔
Query status of time-of-day interrupt
Time-delay interrupt
✔ ✔ ✔ ✔
Start time-delay interrupt
✔ ✔ ✔ ✔
Cancel time-delay interrupt
✔ ✔ ✔ ✔
Query time-delay interrupt status
Synchronous error events
✔ ✔ ✔
Mask synchronous error events
✔ ✔ ✔
Unmask synchronous error events
✔ ✔ ✔
Read out event status register
Asynchronous error event
✔ ✔ ✔
Disable interrupt event
✔ ✔ ✔
Enable interrupt event
✔ ✔ ✔ ✔
Delay execution of higher priority interrupts and
asynchronous error events
✔ ✔ ✔ ✔
Enable execution of higher priority
interrupts and asynchronous error events
✔
Trigger multicomputing interrupt
A5E33285102-AB
Extended instructions
Description
Technology
LAD / FBD
(not S7-1200)
CAN_TINT
ACT_TINT
QRY_TINT
SRT_DINT
CAN_DINT
QRY_DINT
MSK_FLT
DMSK_FLT
READ_ERR
DIS_IRT
EN_IRT
DIS_AIRT
EN_AIRT
MP_ALM
Communication
STL
SCL
Page 40