Siemens SIMATIC ET 200SP - Page 153

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