Siemens SIMATIC S7-300 Reference Manual page 59

Basic instructions
✔ ✔ ✔ ✔
Receive data
Delete receive buffer
✔ ✔ ✔ ✔
Delete receive buffer
Query RS-232 signals
✔ ✔ ✔ ✔
Read status
Set RS-232 signals
✔ ✔ ✔ ✔
Set accompanying signals
✔ ✔ ✔ ✔
Get extended functions
✔ ✔ ✔ ✔
Set extended functions
USS communication
S7-300/400: Commands for ET200SP CM PtP
✔
Edit communication via USS network
✔ ✔ ✔ ✔
Communication by means of a USS network
✔
Prepare and display data for the drive
✔ ✔ ✔ ✔
Data exchange with the drive
✔
Read out parameters from the drive
✔ ✔ ✔
Read data from drive
✔
Change parameters in the drive
✔ ✔ ✔ ✔
Change data in drive
A5E33285102-AB
Extended instructions
Description
Technology
STL
LAD / FBD
(not S7-1200)
Receive_P2P
RCV_RST
Receive_Reset
SGN_GET
Signal_Get
SGN_SET
Signal_Set
Get_Features
Set_Features
USS_PORT
USS_Port_Scan
USS_Drive
USS_Drive_Control
USS_RPM
USS_Read_Param
USS_WPM
USS_Write_Param
Communication
SCL
Page 58