Siemens Simatic S7-1500H - Page 234

Extended instructions 1513R‑1PN 1515R‑2PN 1517H-3PN 1518HF-4 PN
Module parameter assignment
RD_DPAR 10
RD_DPARA 10
RD_DPARM 10
Diagnostics
Get_IM_Data 10
GetStationInfo 10
Recipes
RecipeExport 10
RecipeImport 10
Data block functions
CREATE_DB 10
READ_DBL 10
WRIT_DBL 10
DELETE_DB 10
Communication: maximum number of simultaneously running jobs
Table 9-8Maximum number of simultaneous jobs for asynchronous instructions and lower-level
instructions used for Open User Communication
1515R‑2PNOpen User Communica
tion
1513R‑1PN
up to V2.9.x V3.0 or
higher
1517H-3PN 1518HF-4 PN
TSEND
TUSEND
88 108 128 288 320
TRCV
TURCV
88 108 128 288 320
TCON 88 108 128 288 320
TDISCON 88 108 128 288 320
T_RESET 88 108 128 288 320
T_DIAG 88 108 128 288 320
TSEND_C uses TSEND, TUSEND, TRCV, TCON, TDISCON
TRCV_C uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
Table 9-9Lower-level instructions used for asynchronous instructions for MODBUS TCP
MODBUS TCP 1513R‑1PN 1515R‑2PN 1517H-3PN 1518HF-4 PN
MB_CLIENT uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
MB_SERVER uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
234
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
Basics of program execution
9.5 Asynchronous instructions