Siemens SIMATIC ET 200AL - Page 708

Communications services
3.1 Overview of communication options
Communication
22 Function Manual, 12/2017, A5E03735815-AF
Communications options
Functionality
Via interface:
PN/IE
1
DP
serial
Web server Data exchange via HTTP(S), for example for diag-
nostics
X - -
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
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
(https://support.industry.siemens.com/cs/ww/en/view/86535497
).