Technical data

Table Of Contents
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
35-1
35 List of SFCs, and SFBs
35.1 List of SFCs, Sorted Numerically
No. Short Name Function
SFC 0 SET_CLK Set System Clock
SFC 1 READ_CLK Read System Clock
SFC 2 SET_RTM Set Run-time Meter
SFC 3 CTRL_RTM Start/Stop Run-time Meter
SFC 4 READ_RTM Read Run-time Meter
SFC 5 GADR_LGC Query Logical Address of a Channel
SFC 6 RD_SINFO Read OB Start Information
SFC 7 DP_PRAL Trigger a Hardware Interrupt on the DP Master
SFC 9 EN_MSG Enable Block-Related, Symbol-Related and Group Status Messages
SFC 10 DIS_MSG Disable Block-Related, Symbol-Related and Group Status Messages
SFC 11 DPSYC_FR Synchronize Groups of DP Slaves
SFC 12 D_ACT_DP Deactivation and activation of DP slaves
SFC 13 DPNRM_DG Read Diagnostic Data of a DP Slave (Slave Diagnostics)
SFC 14 DPRD_DAT Read Consistent Data of a Standard DP Slave
SFC 15 DPWR_DAT Write Consistent Data to a DP Standard Slave
SFC 17 ALARM_SQ Generate Acknowledgeable Block-Related Messages
SFC 18 ALARM_S Generate Permanently Acknowledged Block-Related Messages
SFC 19 ALARM_SC Query the Acknowledgment Status of the last ALARM_SQ Entering State
Message
SFC 20 BLKMOV Copy Variables
SFC 21 FILL Initialize a Memory Area
SFC 22 CREAT_DB Create Data Block
SFC 23 DEL_DB Delete Data Block
SFC 24 TEST_DB Test Data Block
SFC 25 COMPRESS Compress the User Memory
SFC 26 UPDAT_PI Update the Process Image Update Table
SFC 27 UPDAT_PO Update the Process Image Output Table
SFC 28 SET_TINT Set Time-of-Day Interrupt
SFC 29 CAN_TINT Cancel Time-of-Day Interrupt
SFC 30 ACT_TINT Activate Time-of-Day Interrupt
SFC 31 QRY_TINT Query Time-of-Day Interrupt
SFC 32 SRT_DINT Start Time-Delay Interrupt
SFC 33 CAN_DINT Cancel Time-Delay Interrupt