Siemens SIMATIC S7-1500 System Manual page 166

Extended instructions: maximum number of simultaneously running jobs
The following table shows the maximum number of simultaneously running jobs for
asynchronous extended instructions.
Table 8- 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_ET200
S
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
SIMATIC Drive Controller
System Manual, 11/2019, A5E46600094-AA
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
Basics of program execution
8.3 Asynchronous instructions
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
165