System overview
2.4 Communication
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
45
2.4.2
Integrated interfaces for communication
The table below provides an overview of CPU communication options in the S7-1500R/H
redundant system.
Table 2- 6
S7-1500R/H communication options
Communication option
Service available over:
PROFINET inter-
face X1 (device IP
address)
PROFINET inter-
face X2 (device IP
address)
1)
System IP ad-
dress (at interfac-
es X1 and X2)
PROFINET IO
✓
---
---
MRP (Media Redundancy Protocol)
✓
---
---
LLDP (network topology detection)
✓
✓
---
PG communication for commissioning, testing and
diagnostics
✓
✓
---
HMI communication for operator control and monitor-
ing
✓
2)
✓
2)
✓
Open User Communication
✓
3)
✓
3)
✓
Data exchange via HTTP(S), for example for diagnos-
tics
---
---
---
Time synchronization
✓
✓
---
1)
Not with CPU 1513R-1 PN
2)
Communication mainly over system IP address: If the CPU with the device IP address fails, communication with the HMI
device also fails.
3)
Communication mainly over system IP address: If the CPU with the device IP address fails, Open User Communication
with S7-1500R/H also fails.
Reference
For more information on communication options, please refer to the Communication function
manual (
https://support.industry.siemens.com/cs/ww/en/view/59192925
).
Summary of Contents for Simatic S7-1500H
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