Hart Protocol, Profibus, Modbus, Embedded Systems Design at Borst Automation

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TCP/IP Server for Embedded Systems

TCP/IP Servers for Embedded Systems are the latest trend in field instrumentation design to move from proprietary digital communications to standards. Regarding very small embedded systems the resources are a basic problem for realizing a TCP/IP communication on top of PPP. Borst Automation is working on an embedded TCP/IP implementation with the following resource requirements:

TCP/IP ServerTCP/IP Client

  • Less than 10 k of Flash/ROM (measured on a M16C).

  • Less than 4 k of Ram.

  • Baud rates: 38,4, 57,6 and 115,2 kBit/s.

  • No Operating System required.

 The software will be delivered as C source and is targeted to very small embedded systems based on microcontrollers like the 8031/32 (8 bit) or the M16C family (16 bit).

There are already a lot of solutions around. Books have been written and stacks are offered by several companies. The special aspect on our solution is that it is not designed as a 'sale-and-forget' product but the package will include at least a 3 days support for the final integration. To get an optimum solution for very small embedded systems like field devices in process automation the communication has to be highly adapted to the individual needs and the given resources. It's just like the Profibus Slave implementation but a little bit more general than this.

The implementation will support the following protocol layers and functions:

  • SNMP
  • SAI
  • UDP
  • TCP
  • IP
  • PPP

The TCP/IP stack can be used for tiny FTP for flashing of software. Another use is to run an HTTP server on top of it to implement the device as a web server providing it's own home page for the device configuration.

Prices and bundles are not yet available. Beta versions will start in tests by Q4/2006. If you like to get more detailed information or to sent a comment or ask a specific question please send mail to info@hart-profibus.com.

Last updated: 08.09.2008