System overview
4.4 CPUs
Automation system
System Manual, 01/2023, A5E03461182-AK
53
4.4 CPUs
Figure 4-14 Controller
SIMATIC S7-1500 controllers are characterized by maximum performance capability thanks to
a high-performance backplane bus, very short terminal-to-terminal response time and
extremely fast signal processing.
The controller (CPU) executes the user program. The integrated system power supply of the
controller provides power to the modules used through the backplane bus.
A fail-safe version is available for each SIMATIC S7-1500 controller (except compact CPUs and
the redundant CPU 1513R-1 PN and CPU 1515R-2 PN). To use the safety functions in the TIA
Portal, you need the "STEP 7 Safety Advanced" option package.
During commissioning of the plant you can, for example, change the IP address of the CPU
directly via the display, thus saving time and costs. In the event of a service call, the plant
downtimes are minimized by quick access to diagnostics alarms.
For effective commissioning and fast optimization of drives and controls, the SIMATIC
S7-1500 supports extensive trace functions for all CPU tags.
A SIMATIC S7-1500 controller also offers additional functions:
• Communication via Ethernet/PROFINET
• Communication via PROFIBUS
• HMI communication
• Communication via OPC UA
• Web server, technology functions, system diagnostics, protection functions integrated
• When using an F-CPU: Safety mode
• When using a S7-1500 R/H CPU: Redundancy
• When using a T-CPU: Extended motion control functions
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