Siemens S7-1200 TELECONTROL - Other Services and Properties

Application and properties
1.3 Other services and properties
CP 1243-7 LTE
Operating Instructions, 04/2017, C79000-G8976-C381-03
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1.3
Other services and properties
Other services and properties
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Data point configuration
Due to the data point configuration in STEP 7, programming program blocks in order to
transfer the process data is unnecessary. The individual data points are processed one-
to-one in the control system.
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IP configuration
The CP is assigned a dynamic or a fixed IP address by the mobile wireless network
provider:
– Dynamic IP address
When using telecontrol communication, the mobile wireless network provider generally
assigns the CP a dynamic IP address. You set this in STEP 7 in the parameter group
"Ethernet interface > Ethernet addresses".
– Fixed IP address
To use S7 communication or to receive data via Open User Communication, the CPU
must be reachable via a fixed IP address. In this case, enter the fixed IP address
assigned by the mobile wireless network provider in the same parameter group.
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Time-of-day synchronization
The CP supports various methods of time-of-day synchronization. You will find
information in the section Time-of-day synchronization (Page 47).
For information on the format of the time stamp, refer to the section Datapoint types
(Page 83).
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Access to the Web server of the CPU
With the aid of the Web server of the CPU, you can read out module data from the
station.
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Data buffering: Storage of event data
If a connection fails, the CP can buffer the data of events of different classes and transfer
them bundled to the telecontrol server.
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Data transfer is on request or triggered
The telecontrol communication with TCSB is triggered in two ways:
– After a request by TCSB or an OPC client connected to TCSB
– Triggered by various selectable criteria