Siemens SIMATIC S7-1500R/H Manual page 16

Product overview
3.3 Hardware properties
Property
Supply voltage
PROFINET IO
PROFINET IO interface
(X1 P1R and X1 P2R)
PROFINET interface (X2 P1) The CPU has an X2 interface with one port (X2 P1).
Operation of the CPUs as IO
controllers
H-Sync Forwarding
H-Sync Forwarding enables a PROFINET device with MRP to forward synchronization data
(synchronization frames) of an S7-1500R redundant system only within the PROFINET ring.
16
Description
The 24 V DC supply voltage is fed via a 4-pin plug located
on the front of the CPU.
The CPU has an X1 interface with two ports (X1 P1R and
X1 P2R).
• You use the PROFINET IO interface X1 (default set­
ting P1R) to configure the PROFINET ring with the
two CPUs and the IO devices.
• You use the PROFINET IO interface X1 (default setting
P2R) to establish the connection between the two R-
CPUs within the PROFINET ring.
In the PROFINET ring, the synchronization frames
between the CPUs are transmitted via the following
connections:
– The direct connection (X1 P2R)
– The indirect connection (X1 P1R) via 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
The interface supports PROFINET basic functionality.
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)
Standard IO devices usually do not support H-
Sync Forwarding.
To avoid a cycle time increase when the PROFINET
ring is interrupted, integrate the standard IO devices
behind a switch and not in the PROFINET ring.
Additional information
• Section Connecting (Page 26)
• S7-1500R/H redundant system
(https://support.industry.siemens.
com/cs/ww/en/view/109754833)
system manual
• S7-1500R/H redundant system
(https://support.industry.siemens.
com/cs/ww/en/view/109754833)
system manual
• Function manual PROFINET
(https://support.industry.siemens.
com/cs/ww/en/view/49948856)
CPU 1515R-2 PN (6ES7515-2RN03-0AB0)
Equipment Manual, 11/2022, A5E42009914-AD