PawelStrzelecki
Member
Hey
I have a question: how to communicate two PLC(315-2 DP) using Profibus. I manage to communicate them using HWConfig I/O but I know that there is another way to do that. Them this way I can send only 4 bytes.
Is there any way to send more data, for example whole DB or large part of it? I know that a should use some FC, SFC, or SFB but I don’t know which one.
I found blocks FC1 “DP_SEND” and FC5 “AG_SEND” in SIMATIC_NET_CP but I have no CP module to use them. Can use them direct from CPU 313-2 DP port?
By FC5 “AG_SEND” I also do not understand the parameter ID ?
And LADDR : is it “Partner DP address” or “Diagnostic Address”??
Please reply. Thanks
I have a question: how to communicate two PLC(315-2 DP) using Profibus. I manage to communicate them using HWConfig I/O but I know that there is another way to do that. Them this way I can send only 4 bytes.
Is there any way to send more data, for example whole DB or large part of it? I know that a should use some FC, SFC, or SFB but I don’t know which one.
I found blocks FC1 “DP_SEND” and FC5 “AG_SEND” in SIMATIC_NET_CP but I have no CP module to use them. Can use them direct from CPU 313-2 DP port?
By FC5 “AG_SEND” I also do not understand the parameter ID ?
And LADDR : is it “Partner DP address” or “Diagnostic Address”??
Please reply. Thanks