Siemens SIMATIC ET 200SP System Manual page 153

Basics of program execution
8.2 Asynchronous instructions
Table 8- 5 Lower-level instructions used for asynchronous instructions for MODBUS TCP
MODBUS TCP
MB_CLIENT
MB_SERVER
Table 8- 6 Maximum number of concurrently running jobs for asynchronous instructions for S7 communication. The
S7 communication instructions use a common pool of resources.
S7 communication
PUT
GET
USEND
URCV
BSEND
BRCV
Table 8- 7 Lower-level instructions used for asynchronous instructions for communications processors
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
USS_Port_Scan_31
MODBUS (RTU)
Modbus_Comm_Load
Modbus_Master
Modbus_Slave
ET 200S serial interface
S_USSI
SIMATIC NET
FTP_CMD
152
CPU 1510SP-1 PN
CPU 1510P F-1 PN
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
CPU 1510SP-1 PN
CPU 1510SP F-1 PN
192
CPU 1510SP-1 PN
CPU 1510SP F-1 PN
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 RDDEC, WRREC
uses RDDEC, WRREC
uses RDDEC, WRREC
uses CREATE_DB
uses TSEND, TRCV, TCON, TDISCON
CPU 1512SP-1 PN
CPU 1512SP F-1 PN
CPU 1512SP-1 PN
CPU 1512SP F-1 PN
264
CPU 1512SP-1 PN
CPU 1512SP F-1 PN
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ