Communications services
3.1 Overview of communication options
Communication
Function Manual, 05/2021, A5E03735815-AJ
27
Communications options
Functionality
Via interface:
PN/IE
1
DP
serial
SNMP (Simple Network Management
Protocol)
For monitoring and error recognition of IP networks,
possibly parameterization of the IP network compo-
nents via standard SNMP protocol
X
-
-
Time-of-day synchronization
Via PN/IE interface: CPU is NTP client (Network Time
Protocol)
X
-
-
Via DP interface: CPU/CM/CP is time-of-day master or
time slave
-
X
-
1
IE - Industrial Ethernet
2
Observe the special characteristics for S7-1500R/H
3
Only via internal PROFINET interface of the CPU and via Ethernet interface CP 1543 1 with activated "Access to PLC via
communication module" function.
Information on S7-1500R/H
You can find information on the communication possibilities with the redundant system
S7-1500R/H in the section Communication with the redundant system S7-1500R/H
(Page 407).
Additional information
•
Application example: CPU-CPU communication with SIMATIC controllers (compendium)
You can find the application example on the Internet
https://support.industry.siemens.com/cs/ww/en/view/20982954
•
This FAQ (
https://support.industry.siemens.com/cs/ww/en/view/102420020
) describes
how to configure fetch/write communication via CP1543-1 with S7-1500.
•
Additional information about the Fetch/Write services is available in the STEP 7 online
help.
•
You can find additional information on the PtP link in the function manual CM PtP -
Configurations for Point-to-Point Connections
http://support.automation.siemens.com/WW/view/en/59057093
•
You will find the description of the web server functionality in the function manual Web
server (
http://support.automation.siemens.com/WW/view/en/59193560
•
You will find information about the standard protocol SNMP on the Service & Support
pages on the Internet (
http://support.automation.siemens.com/WW/view/en/15166742
•
You will find information about time-of-day synchronization in this FAQ
Summary of Contents for SIMATIC ET 200AL
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