Communication between S7-1200 & Beckhoff PLC

Join Date
Dec 2013
Location
New Damietta city
Posts
34
Dear Experts,
Good day

I have to make ethernet communication between S7-1200 ( 1215c) and Beckhoff PLC CX5010.
My question here any expert can guide me how can I establish communication between 2 different systems in order to I need to read data from beckhoff PLC.
Thanks
 
I would see what common protocol is available in each of the PLCs. Modbus TCP is a protocol that I know is available on each device.
Determine the Client (Master) PLC. This will be the one asking for the information from the Server (Slave) PLC.
Here is a link for the S7-1200 acting as a Client:
https://support.industry.siemens.co...bus-tcp-ip-protoclol/85363?page=0&pageSize=10

Here is a link for the Beckhoff Setup:
https://infosys.beckhoff.com/english.php?content=../content/1033/tcmodbussrv/html/tcmodbussrv_configuration.htm&id=

Here is some good information on the Modbus TCP protocol:
https://www.rtaautomation.com/technologies/modbus-tcpip/

Hope this helps you out.
Regards,
 
Thanks for your reply.
for Beckhoff protocol they write these information about Communication :

The EtherCAT protocol is optimised for process data and is either transported directly in the Ethernet frame or packed into UDP/IP datagrams.

So can I use UDP/IP communication and what is the best way to establish the communication
Thanks
 
There should be a Fetch/Write function block in CoDeSys. Wago has one so Beckhoff should too.

Good Luck,

Yosi
 
I believe EtherCAT is available for the S7, but I have not done anything with this protocol.

Regards,


The 1200 doesn't support EtherCat, at least natively. It's possible that someone made a block for it somewhere, but you won't get deterministic control it off any user TCP communications.

The 1200 supports Profinet as it's main IO bus. Profibus is an option via a comm card. As mentioned above, Modbus TCP it's supported natively, as is generic TCP or UDP packets.

You might need a protocol gateway. Anybus makes a bunch, Hilscher's nettaps are pretty flexible as well.
 

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