Product Announcement

For Application which must fulfill high requirements in regards to availability, the CPU1517H is available.

High-availability S7-1500

Both controllers are connected to a PROFINET IO-ring, in order to access the IO-Stations. Both controllers synchronize each via dedicated synchronization modules. In case the primary CPU fails the back-up CPU takes over the control. No data will be lost and the process continues without interruption.
The ring architecture ensures in case of a cable fault that all network participants are still accessible.


The Engineering corresponds to Engineering of a standard CPU. The synchronization of the programs and data are handled by the TIA-Portal and the redundant controllers, no additional user action required.

High-Available CPUs for larger applications with high requirements in regards to availability

CPU 1517H-3 PN

• CPU with display
• Work memory 2 MB code and 8 MB data
• PROFINET IO-Controller
• Integrated PROFINET I/O interface with 2 ports for
ring structure and 1 PROFINET interface for Ethernet and PROFINET basic services with separate IP address
(in sum 3 ports)
• 2 slots for sync modules
• Integrated system diagnostics
• 4-level security concept
• Width: 210 mm

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Synchronization-Modules

• Sync submodule for patch cables up to 10m
über Lichtwellenleiter

• Sync submodule for patch cables up to 10km
über Lichtwellenleiter

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Synchronization-Cables

• Sync cable for sync submodules

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S7-1500H Bundle

SIMATIC S7-1500H, CPU 1517H System Bundle consisting of: 
• 2 x CPU 1517H-3 PN with display, without memory card
• 4 sync-modules 10m,
• 2 x Sync-Cables 1m

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