Configuration Limits And Performance Data; Transmission And Reaction Times; Connection Resources - Siemens SIMATIC NET S7-1500 Operating Instructions Manual

For protection of the company and plant network, the following security components are
recommended:
• External firewalls with Intrusion Detection System (IDS) protect the company network
against external attacks.
• DMZ firewalls in the backbone level protect the plant network.
• Security modules protect each individual automation cell.
Note
Security information
To protect your system, refer to the information in the section Security recommendations
(Page 35).
1.5

Configuration limits and performance data

1.5.1

Transmission and reaction times

Measured values on the Internet
Note
Measured values of transmission and reaction times in PROFINET networks for a series of
configurations can be found on the Internet at the following address:
Link: (https://support.industry.siemens.com/cs/ww/en/view/25209605)
1.5.2

Connection resources

Characteristic
Total number of freely usable
connections on Industrial Ethernet
SIMATIC CM 1542-1
Operating Instructions, 04/2023, C79000-G8976-C355-05
1.5 Configuration limits and performance data
Explanation / values
64 configurable connections, 1 PG connection
The value applies to the total number of connections of the
following types:
• Connections for open communications services
Properties and functions
15