Siemens SIMATIC S7-1500R/H Manual - Página 18
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2.4
Firmware functions
Functions
CPU 1517H-3 PN supports the following firmware functions:
Function
CPU redundancy
Integrated system diag-
nostics
Integrated trace function-
ality
PROFINET IO
System redundancy S2
Switched S1 device
CPU 1517H-3 PN (6ES7517-3HP00-0AB0)
Equipment Manual, 11/2019, A5E42011886-AB
Description
There are two duplicate CPUs that synchronize their
data via two duplex fiber-optic cables, which connect
the CPUs directly to each other via plug-in synchroniza-
tion modules. If one of the CPUs fails, the other CPU
retains control of the process.
The system automatically generates the messages for
the system diagnostics and outputs these messages
via a programming device/PC, HMI device or the inte-
grated display. System diagnostics information is also
available when the CPUs are in operating state STOP.
Trace functionality supports you in troubleshooting
and/or optimizing the user program.
You record device tags and evaluate the recordings
with the trace and logic analyzer function. Tags are, for
example, drive parameters or system and user tags of
a CPU.
Trace and logic analyzer functions are suitable for
monitoring highly dynamic processes.
Note: Note that the S7-1500R/H redundant system
supports recording of measurements. However, saving
the measurements to the SIMATIC memory card is not
supported.
All IO devices are connected redundantly in the redun-
dant S7 1500R/H system. All IO devices assigned to
the system must therefore support system redundancy
S2.
If the role of the CPUs changes, the new primary CPU
takes over the PROFINET IO communication.
The switched S1 device function of the CPU enables
operation of standard IO devices in the S7-1500R/H
redundant system.
Product overview
2.4 Firmware functions
Additional information
Redundant System S7-1500R/H
(https://support.industry.siemens.co
m/cs/ww/en/view/109754833) Sys-
tem Manual
Function manual Diagnostics
(http://support.automation.siemens.c
om/WW/view/en/59192926)
Function manual Using the trace and
logic analyzer function
(http://support.automation.siemens.c
om/WW/view/en/64897128)
Redundant System S7-1500R/H
•
(https://support.industry.siemens.
com/cs/ww/en/view/109754833)
System Manual
Function manual PROFINET
•
(http://support.automation.sieme
ns.com/WW/view/en/49948856)
Redundant System S7-1500R/H
(https://support.industry.siemens.co
m/cs/ww/en/view/109754833) Sys-
tem Manual
17