Siemens Simatic S7-1500H - Page 235

Table 9-10Lower-level instructions used for asynchronous instructions for communications processors
Communications pro
cessors
1513R‑1PN 1515R‑2PN 1517H-3PN 1518HF-4 PN
PtP communication
Port_Config uses RDDEC, WRREC
Send_Config uses RDDEC, WRREC
Receive_Config uses RDDEC, WRREC
Send_P2P uses RDDEC, WRREC
Receive_P2P uses RDDEC, WRREC
Receive_Reset uses RDDEC, WRREC
Signal_Get uses RDDEC, WRREC
Signal_Set uses RDDEC, WRREC
Get_Features uses RDDEC, WRREC
Set_Features uses RDDEC, WRREC
USS communication
USS_Port_Scan uses RDDEC, WRREC
MODBUS (RTU)
Modbus_Comm_Load uses RDDEC, WRREC
Reference
You can find additional information on block parameter assignment in the STEP 7 online help.
235
Basics of program execution
9.5 Asynchronous instructions
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD