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Telecontrol for SIMATIC controllers

- Communication processor for telecontrol applications using Simatic S7-1200 controllers
- Transferring measured values from outdoor areas to central control center
- Automatic e-mails for maintenance staff

The Siemens Industry Automation Division has developed a new communication processor for telecontrol applications based on Simatic S7-1200 controllers. Simatic CP 1243-1 DNP3 from the TeleControl Professional product range connects the controller to a control center, such as a process control system, via DNP3 (Distributed Network Protocol).

The new communication processor Simatic CP 1243-1 DNP3 connects Simatic S7-1200 controllers to a control center or process control system via DNP3 (Distributed Network Protocol) in telecontrol applications.

A typical use case for this is the transfer of measured values in widely spread outdoor areas to a central station, for example in sewage and water treatment plants, district heating networks and pump stations, as well as in oil and gas supply, energy distribution and transportation systems.

Simatic CP 1243-1 DNP3 transfers measured values, setpoint values and alarms to the control station cyclically or event-based. In the STEP 7 engineering tool, the user simply selects the data to be transferred from the Simatic S7-1200 CPU and specifies the required communication parameters. Communication with the control center is based on the established telecontrol protocol according to DNP3 specification 2 (2007/2009) including security mechanisms for secure data transfer via wide area networks. In addition to data transfer, the communication processor also has an e-mail function, for example to inform maintenance staff automatically about previously defined events, such as threshold values being exceeded.

Simatic CP 1243-1 DNP3 can buffer up to 64,000 values with time stamp in order to prevent data loss when a connection fails. When the connection is re-established, the buffered values are automatically transferred to the control center in the right chronological order. Comprehensive diagnostic options, locally via LEDs or in the STEP 7 engineering tool, offer the user fast and clear analysis of the station status. The communication processor is connected to the local communication network in the outdoor area via Ethernet interface. Appropriate transmission components, such as the Scalance M874 industrial router, are available for remote communication from the local network to the control station.

Further information on the Sitrans Connection app can be found at

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The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of innovative and environmentally friendly products and solutions for industrial customers. With end-to-end automation technology and industrial software, solid vertical-market expertise, and technology-based services, the Sector enhances its customers' productivity, efficiency, and flexibility. With a global workforce of more than 100,000 employees, the Industry Sector comprises the Divisions Industry Automation, Drive Technologies and Customer Services as well as the Business Unit Metals Technologies. For more information, visit

The Siemens Industry Automation Division (Nuremberg, Germany) supports the entire value chain of its industrial customers – from product design to production and services – with an unmatched combination of automation technology, industrial control technology, and industrial software. With its software solutions, the Division can shorten the time-to-market of new products by up to 50 percent. Industry Automation comprises five Business Units: Industrial Automation Systems, Control Components and Systems Engineering, Sensors and Communications, Siemens PLM Software, and Water Technologies. For more information, visit

Reference Number: IIA2013093314e

Mr. Gerhard Stauss
Industry Automation Division
Siemens AG
Gleiwitzerstr. 555
90475 Nuremberg
Tel: +49 (911) 895-7945

Gerhard Stauss | Siemens Industry
Further information:

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