S7 Communication between 3 siemens 317-2pn/dp plc

IJK

Member
Join Date
Sep 2010
Location
pune
Posts
67
Dear Experts

I have three Siemens master 317-2 PN/DP Plc

i want to do communication between them which is the best way to do it

i am using profinet

one way i know is using s7-connection and using fb14 send
fb15 receive

Please tell me if there is any other option.
 
If i am using S7 connection in netpro and ethernet hub for routing the ethernet cable to the plc

Where should i use cross ehternet cable and where shoud i use straight ethernet cable
 
With the blocks TSEND, TRECV, TCON, TDISCON, you do not setup the connection with Netpro.
Use the sample projects that I linked to.

Nobody uses hubs any longer. Using a switch, you dont have to worry about straight or crossed.
 

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