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by TMorgan800
Sun Jul 20, 2014 3:46 pm
Forum: General discussion
Topic: S7 PLC Communication library
Replies: 3
Views: 26596

Re: S7 PLC Communication library

This is very cool...
Good job.
by TMorgan800
Sun Jul 20, 2014 3:44 pm
Forum: Automation, sensing and robotics
Topic: Read and historize PLC data
Replies: 8
Views: 12215

Re: Read and historize PLC data

If you plan on using a Pi as a data concentrator... the non-Siemens PLC's use mostly ModbusRTU and ModbusTCP ... so modbus is probably what you'll find the most of out there. Siemens uses Profibus (RS485)or Profinet (Ethernet/TCP-IP). You can naturally adapt the ports to talk however you want. Espec...
by TMorgan800
Sat Jul 19, 2014 5:06 pm
Forum: Bare metal, Assembly language
Topic: Raspberry Pi PLC Assembly OS
Replies: 8
Views: 10697

Re: Raspberry Pi PLC Assembly OS

Hi sorry to Hijack the post and I hope its in the right place !!.......I am looking at ways I can connect a pi to a Siemens S7 PLC or Wonderware Scada and read in certain tag values and then display these tag values using something like raspiconnect or even on pifaceCAD. I have also looked at Berem...
by TMorgan800
Sat Jul 19, 2014 5:00 pm
Forum: Automation, sensing and robotics
Topic: plc automation
Replies: 23
Views: 12456

Re: plc automation

Here is a link to the S7-1200 Easy Book...

http://www.elintosprekyba.lt/library/fi ... _en-US.pdf
by TMorgan800
Sat Jul 19, 2014 4:55 pm
Forum: Automation, sensing and robotics
Topic: plc automation
Replies: 23
Views: 12456

Re: plc automation

You will need the TIA Portal V13 software first of all. Then you can set up your communications for TCP/IP on the S7-1200 PLC. Then it is just a matter of making sure you get a communication handshake. I do not know for sure if the Pi has a .gsd file or something similar for integration into a Sieme...

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