Siemens SIMATIC S7-1500T System Manual

Commissioning
12.4 Operating and system states
S7-1500R/H redundant system
382 System Manual, 01/2024, A5E41814787-AF
Overview of system and operating states
The figure below shows the possible operating states of the CPUs and the resulting system
states.
In general, the two CPUs have equal priority; each CPU can be either primary or backup.
Figure 12-6 System and operating states

Siemens SIMATIC S7-1500T Specifications

General

Brand	Siemens
Model	SIMATIC S7-1500T
Category	Controller
Language	English