Siemens SIMATIC S7-1500 System Manual page 234

Basics of program execution
10.3 Asynchronous instructions
Table 10- 7
MODBUS TCP
MB_CLIENT
MB_SERVER
Table 10- 8
S7 communication
PUT
GET
USEND
URCV
BSEND
BRCV
Table 10- 9
Communications processors
PtP communication
Port_Config
Send_Config
Receive_Config
Send_P2P
Receive_P2P
Receive_Reset
Signal_Get
Signal_Set
Get_Features
Set_Features
USS communication
USS_Port_Scan
MODBUS (RTU)
Modbus_Comm_Load
ET 200S serial interface
S_USSI
SIMATIC NET CP (cannot be used with SIMATIC Drive Controller; SIMATIC NET CPs cannot be used in
distributed I/O stations)
FTP_CMD
232
Lower-level instructions used for asynchronous instructions for MODBUS TCP
CPU 1504D TF
Uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
Uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
Maximum number of simultaneous jobs for asynchronous instructions for S7 communica-
tion. The S7 communication instructions use a common pool of resources.
CPU 1504D TF
Lower-level instructions used for asynchronous instructions for communication proces-
sors
CPU 1507D TF
CPU 1507D TF
1152
CPU 1504D TF
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses RDDEC, WRREC
Uses CREATE_DB
Uses TSEND, TRCV, TCON, TDISCON
System Manual, 11/2023, A5E46600094-AD
CPU 1507D TF
SIMATIC Drive Controller