CP 443-1 Advanced (GX30) 
Manual, 03/2019, C79000-G8976-C256-05 
23 
 
 
 
Note 
Measured values of transfer or reaction times 
Measured values of transmission and reaction times in Ethernet, PROFIBUS and 
PROFINET networks for a series of configurations can be found on the Internet at the 
following address:
 
https://support.industry.siemens.com/cs/ww/en/view/25209605) 
 
Note 
Configuration limits for security functions 
Configuration limits for security are described in 
/17/ (Page 121). 
You will find a complete overview of the permitted configuration limits on the Internet at the 
following address:
 
https://support.industry.siemens.com/cs/ww/en/view/58217657) 
 
General characteristic data 
 
Total number of connections on Industrial Ethernet  128 
The value applies to the total number of connections of the 
following types: 
•  S7 connections 
•  SEND/RECEIVE connections 
•  CBA 
•  FTP (FTP client) 
Note: FTP connections occupy 2 TCP connections. 
You can, for example, operate the following combination of connections: 
●  62 S7 connections or 62 H connections 
●  30 ISO-on-TCP connections 
●  10 TCP connections