Siemens Simatic S7-1500 / ET 200MP - Page 219

Basics of program execution
9.2 Asynchronous instructions
Automation system
218 System Manual, 01/2023, A5E03461182-AK
Table 9- 7 Lower-level instructions used for asynchronous instructions for MODBUS TCP
MODBUS TCP 1505SP (F)
1505SP
T(F)
1511(F)
1511C
1511T(F)
1507S(F)
1512C
1513(F)
1515(F)
1515T(F)
1516(F)
1516T(F)
1517(F)
1517T(F)
1518(F)
1518T(F)
1518(F)
MFP
MB_CLIENT
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
MB_SERVER
uses TSEND, TUSEND, TRCV, TURCV, TCON, TDISCON
Table 9- 8 Maximum number of simultaneously running jobs for asynchronous instructions for S7 communication. The
S7 communication instructions use a common pool of resources
S7 communication 1505SP
(F)
1505SP
T(F)
1511(F)
1511C
1511T(F)
1507S(F)
1512C
1513(F)
1515(F)
1515T(F)
1516(F)
1516T(F)
1517(F)
1517T(F)
1518(F)
1518T(F)
1518(F)
MFP
Up to
V2.9x
V3.0 and
higher
Up to
V2.9x
V3.0 and
higher
PUT
GET
USEND
URCV
BSEND
BRCV
264
288
384
384
576
768
768
960
1152
Table 9- 9 Lower-level instructions used for asynchronous instructions for communication processors
Communications proces-
sors
1505SP (F)
1505SP
T(F)
1511(F)
1511C
1511T(F)
1507S(F)
1512C
1513(F)
1515(F)
1515T(F)
1516(F)
1516T(F)
1517(F)
1517T(F)
1518(F)
1518T(F)
1518(F)
MFP
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
ET 200S serial interface
S_USSI
uses CREATE_DB
SIMATIC NET CP
FTP_CMD
uses TSEND, TRCV, TCON, TDISCON