Siemens SIMATIC S7-1500 System Manual page 232

Basics of program execution
10.3 Asynchronous instructions
Extended instructions: maximum number of simultaneously running jobs
The following table shows the maximum number of simultaneously running jobs for
asynchronous extended instructions.
Table 10- 4
Extended instructions
Distributed I/O
RDREC
RD_REC
WRREC
WR_REC
D_ACT_DP
ReconfigIOSystem
DPSYC_FR
DPNRM_DG
DP_TOPOL
ASI_CTRL
PROFIenergy
PE_START_END
PE_CMD
PE_DS3_Write_ET200S
PE_WOL
Module parameter assignment
RD_DPAR
RD_DPARA
RD_DPARM
WR_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
230
Extended instructions
CPU 1504D TF
Uses RDREC, WRREC, D_ACT_DP
Uses RDREC, WRREC
Uses RDREC, WRREC
Uses RDREC, WRREC
Uses RDREC, WRREC
Uses RDREC, WRREC, TUSEND, TURCV, TCON, TDISCON
CPU 1507D TF
20
10
20
10
8
2
8
1
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
SIMATIC Drive Controller
System Manual, 11/2023, A5E46600094-AD