Siemens SIMATIC S7-1200 Reference Manual page 45

Basic instructions
Delay execution of higher priority interrupts and
✔ ✔ ✔ ✔
asynchronous error events
Enable execution of higher priority interrupts and
✔ ✔ ✔ ✔
Enable asynchronous events
✔
Trigger multicomputing interrupt
Alarms
✔
Generate program alarm with associated values
✔
Output alarm status
Generate user diagnostic alarms that are entered in
✔ ✔
the diagnostics buffer
✔
Read pending alarms
✔
Acknowledging alarms
Write a user diagnostics event to the diagnostics
✔ ✔
buffer
✔ ✔
Generate alarm messages
✔ ✔
Generate alarm message with acknowledgment
✔ ✔
Create permanently acknowledged PLC alarms
✔ ✔
Create acknowledgeable PLC alarms
✔ ✔
Determine acknowledgment status of the last
A5E33284667-AA
Extended instructions
Description
Technology
STL
LAD/FBD
(not S7-1200)
DIS_AIRT
EN_AIRT
MP_ALM
Program_Alarm
Get_AlarmState
Gen_UsrMsg
Get_Alarm
Ack_Alarms
WR_USMSG
ALARM_S
ALARM_SQ
ALARM_D
ALARM_DQ
ALARM_SC
Communication
SCL
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