Siemens Simatic S7-1500R

via Modbus/TCP. You connect the PROFINET lines to the external devices to the PROFINET
interfaces X2 of the H-CPUs.
Configuration S7-1500H without further devices at the PROFINET interface X1 of the H-CPUs


① CPU 1
② CPU 2
③ Two fiber-optic cables (redundancy connections)
Figure 5-22S7-1500H configuration with additional devices
5.4 Redundancy scenarios
5.4.1 Introduction
Introduction
This section describes possible redundancy scenarios on the basis of various different
configuration variants. The redundancy scenarios do not result in process restrictions. In the
examples shown, the failures are tolerated by the redundant system.
The following convention applies:
7KHUHGXQGDQF\RIWKHV\VWHPLV
UHVWULFWHG
7KHUHVWULFWLRQVKDYHQRHIIHFWRQ
WKHSURFHVV
Figure 5-23Yellow traffic light
102
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
Application planning
5.4 Redundancy scenarios