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PROFINET IO
PROFINET IO interface
(X1 P1 R and X1 P2 R)
PROFINET interface (X2 P1
and X3 P1)
H-Sync interfaces (X4 P1
and X5 P1)
Synchronization modules
Fiber-optic cables
Operation of the CPUs as
IO controllers
Accessories
You can find information on the topic of "Accessories/spare parts" in the system manual for
Redundant System S7-1500R/H
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
CPU 1518HF-4 PN (6ES7518-4JP00-0AB0)
Equipment Manual, 05/2021, A5E49868646-AA
Description
The CPU has an X1 interface with two ports (X1 P1 R
and X1 P2 R).
•
The PROFINET IO interface X1 (default P1 R) is used
to set up the PROFINET ring with the two CPUs and
the IO devices.
•
The interface supports PROFINET IO RT (Real-Time)
and PROFINET basic functionality.
Basic PROFINET functionality comprises:
HMI communication
–
Communication with the configuration system
–
Communication with a higher-level network
–
(backbone, router, Internet)
Communication with another machine or auto-
–
mation cell
Die CPU has an X2 interface with one port (X2 P1) and
an X3 interface with one port (X3 P1).
Interfaces X2 and X3 support the basic functions of
PROFINET.
Die CPU has an X4 interface with one port (X4 P1) and
an X5 interface with one port (X5 P1).
The X4 and X5 interfaces are reserved for the synchro-
nization of the two CPUs.
Make the redundancy connections between the two
CPUs via the synchronization modules with fiber-optic
cables.
You plug each synchronization modules in the X4 and
X5 interfaces.
You connect the two synchronization modules in pairs
to each CPU via a fiber-optic cable.
IO controller:
As IO controllers the CPUs address the following con-
figured IO devices:
•
IO devices with S2 system redundancy within the
PROFINET ring
•
IO devices with S2 system redundancy that are
decoupled from the PROFINET ring via a switch
•
Standard IO devices (switched S1 devices)
Product overview
2.2 Hardware properties
Additional information
•
Redundant System S7-1500R/H
(https://support.industry.siemens
.com/cs/ww/en/view/109754833)
System Manual
•
PROFINET
(https://support.industry.siemens
.com/cs/ww/en/view/49948856)
function manual
13
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