Siemens SIMATIC S7-1500 System Manual page 339

Basics of program execution
10.5 Asynchronous instructions
Note
Lower-level asynchronous instructions
Some asynchronous instructions use one or more lower-level asynchronous instructions for
their processing. This dependence is shown in the tables below.
Please note that each lower-level instruction typically occupies one resource in the
instruction's resource pool.
Extended instructions: maximum number of simultaneously running jobs
Table 10- 7
Extended instructions
Distributed I/O
RDREC
WRREC
ASI_CTRL
PROFIenergy
PE_START_END
PE_CMD
PE_DS3_Write_ET200S
PE_WOL
Module parameter assignment
RD_DPAR
RD_DPARA
RD_DPARM
Diagnostics
Get_IM_Data
GetStationInfo
Recipes and data logging
RecipeExport
RecipeImport
DataLogCreate
DataLogOpen
DataLogWrite
DataLogClear
DataLogClose
DataLogDelete
DataLogNewFile
Data block functions
CREATE_DB
READ_DBL
WRIT_DBL
DELETE_DB
338
Maximum number of simultaneous jobs for asynchronous extended instructions and
lower-level instructions used
1513R-1 PN
uses RDREC, WRREC
uses RDREC, WRREC
uses RDREC, WRREC
uses RDREC, WRREC
uses RDREC, WRREC, TUSEND, TURCV, TCON, TDISCON
1)
1515R-2 PN 1517H-3 PN
20
20
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
System Manual, 01/2024, A5E41814787-AF
1518HF-4 PN
S7-1500R/H redundant system