Siemens Simantic ET200SP - Page 161

Basics of program execution
7.3 Asynchronous instructions
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG
161
The table below shows the maximum number of simultaneously running jobs for
asynchronous instructions (S7 communication) for the various CPUs. 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
The following table shows the maximum number of simultaneously running jobs for
asynchronous instructions (communication processors) for the various CPUs.
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
MODBUS (RTU)
Modbus_Comm_Load
uses RDDEC, WRREC
ET 200S serial interface
S_USSI
uses CREATE_DB
SIMATIC NET
FTP_CMD
uses TSEND, TRCV, TCON, TDISCON