S7.Net to Modbus

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Software gateway for the conversion between Siemens S7 Protocol and Modbus/TCP-RTU, data saving on database.

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The Marcom S7.Net to Modbus software manages the protocol conversion between Siemens S7 Protocol and Modbus RTU/TCP.
The software allows, without the purchase of another hardware, to convert in a simple and instant mode the Modbus protocol, from TCP or RTU version to the Siemens S7 protocol and the reverse.
The product acts as a gateway and allows to put in communication between their equipment with the communication systems of different physical levels.
It also allows you to save S7 data on a database (Access, MsSQL, MySQL, SQlite).
All without the need to purchase hardware but using any PC present on location.

Marcom S7.Net to Modbus communicate with Siemens© PLCs S7-200™, S7-300™, S7-400™, S7-1200™, S7-1500™ and LOGO™ , inverters SINVERT™ over Ethernet network!

A software ideal for the latest generation of solar inverters monitor the three-phase model Siemens Sinvert ™ ..

Marcom S7.Net to Modbus has high performance and great ease of use.

  • Very high performance communication over Ethernet allows you to achieve high speed data exchange
  • Configuration simple and immediate : garatisce very high speed startup
  • Extremely convenient: a system of license sizes to fit any need

Marcom S7.Net to Modbus allows you to quickly access to process data in the S7-200 (via CP-243), S7-300, S7-400, S7-1200, S7-1500 and LOGO, using a single server. The variables are constantly addressed using the STEP7 semantics of Siemens environments.
It can access simultaneously to an  unlimited number of controllers.

For communication with Marcom S7.Net to Modbus is not necessary to change the software. Access to the controllers can be made directly via Ethernet.

An algorithm of intelligent handling of requests for reading and writing helps to optimize the throughput of data in an extremely efficient: the reading block allows a refresh data without equal.

The configuration is done through a convenient graphical interface, either manually or through a tool for the import of symbolic names from STEP7 projects, Excel file or .db file exported from TIA Portal. Existing configurations can be exported to Excel for example by visualization systems or process control in order to be easily uploaded to Marcom S7.Net to Modbus.

The main features of the software are:

Connections Access to process data from PLC S7-300, S7-400, S7-1200, S7-1500 and LOGO via Ethernet.
Redundant access for S7-400H systems.
Supported Data Types BOOL, BYTE, WORD, INT, DWORD, DINT, REAL, TIME, TIMER, COUNTER, Array di Byte, Array di Word, Array di Int, Array di Float/Real
  • Configurator smart with automatic address syntax errors
  • Equipped with highly advanced tool for integration with software development Siemens Step 7: Allows the selection of DB and variables to be imported automatically in the configuration, DIRECTLY FROM PROJECT STEP 7!
  • Imported from .db file exported from TIA Portal.
Supported OS Windows 7/8/10/11 (32 bit and 64 bit) + .NET Framework 4.6.2.
Multilanguage Support Italian and English with HELP online

Available MPI-Ethernet gateway which allows use with PLC equipped with only MPI port.
It works transparently on an MPI port using the following gateways: NL50MPI Hilscher, NETLink PRO from Helmholz, NETLink PRO from Softing.

To download the software, you have to register on the website.


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