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Entry type: Application example, Entry ID: 40614428, Entry date: 07/04/2017
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Data Communication between S7-1200 and SENTRON PAC3200 via MODBUS TCP (Set 22)

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This application example describes the deterministic data exchange of a S7-1200 controller with several SENTRON PAC3200 power monitoring device via Modbus/TCP. The communication with the individual measuring devices takes place successively via a connection.

Task
With the help of the Modbus/TCP protocol, data can be exchanged between one or several Modbus/TCP devices using an Ethernet connection. This application example describes the data exchange of an S7-1200 controller with one or several SENTRON PAC3200 type power management devices based on the Modbus/TCP protocol. The effective power absorbed of several street lamps is to be read out deterministically and the total energy consumption is to be calculated.


Screen 01

Solution
The deterministic communication enables the data exchange with SENTRON PAC3200 one after the other, via one connection. The application offers the visualization via a Basic Panel KTP700 2nd generation. Power limit violations as well as communication breakdowns per SENTRON PAC3200 are to be recorded in a message buffer with time stamp for maintenance purposes.


Screen 02

Downloads
Current version for TIA Portal V14 (STEP 7 V14, WinCC V14) with HMI KTP700 Basic PN (2nd generation)
  Flyer V14 (295,7 KB)
  Documentation V14 (3,0 MB)
Registration required Project for TIA Portal V14, MODBUS TCP library V4.1, S7-1200 CPU firmware V4.2 (1.2 MB)

Older versions with HMI KTP600 Basic PN
  Flyer V12 (187,6 KB)
  Documentation V12 (8,8 MB) 
Registration required Project for TIA Portal V12, MODBUS TCP library V2.0, S7-1200 CPU firmware V3.0 (2.3 MB)
Registration required Project for TIA Portal V11 SP2, MODBUS TCP library V2.0, S7-1200 CPU firmware V3.0 (4.2 MB)

Further information
Manual “SIMATIC S7-1200 automation system”
Manual SENTRON Power Monitoring Device PAC3200
FAQ "How do you clear the status 16#8382 in the case of a Modbus/TCP connection between SIMATIC S7-1500 / S7-1200 and SENTRON PAC devices?"
Application Example “Data Communication between S7-1200 and SENTRON PAC3200 via MODBUS TCP (Set 24)”
Application example “Using recipes with S7-1200”
Application Example “Energy Data Acquisition with the Energy Meter of the S7‑1200”
 


Last Changes
Update to TIA Portal V14

Additional Keywords
CE-X22


Security information
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about industrial security, please visit
http://www.siemens.com/industrialsecurity.
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