6/7/2011 6:24 AM | |
Posts: 53 Rating: (0) |
Hi, This is the first timefor me to set anISO on TCP connection and the relevant FC that I need to use. I have had a quick look on the documents but there's one thing that I'm still not quite sure: where do I actually feed the address of the data that I want to transfer to another PLC via Ethernet? For example, if I want to send the bits ofMW1 from my PLCas signals to another PLC via ethernet connection, do I feed this address to the SEND parameters on AG_SEND FCand RECV paramater on AG_RECV FC?? If yes, what happened if I need to feed let's say a word in a DB? Do i feed it to another FCs? Is it safe just to use AG_SEND and AG_RECVaccording to the sample programme below? https://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&objId=17853532&objAction=csOpen&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW Thanks for your help. MS |
6/7/2011 7:26 AM | |
Joined: 2/6/2009 Last visit: 8/19/2024 Posts: 939 Rating: (118) |
Hi, Yes you can use the AG_send and AG_RCV for the communication. You have to specify the the address of the variable to be send at the SEND parameter of the AG_Send and the simlilar way in the RCV parameter of the AG_Rcv in the other CPU. I have attached a screen as a exmple for sending the MW1 bits from one CPU to other. It is always save to transfer M bits to DB location and connect the DB location for the communication. So that in your program struct you will have the seperate DB's for the different communications and one thing is that all the M bits are not retentive, so it is always good to use DB for communication.
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Last edited by: Saravana kumar at: 6/7/2011 11:34 AMSorry Friends, I don''t know why the attachment got deleted. I have attached the file again. _______________________________________________________________ |
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This contribution was helpful to1 thankful Users |
6/7/2011 7:40 AM | |
Posts: 53 Rating: (0) |
btw I have just lost the attachment that you sent before and couldnt find it in the thread now... |
6/7/2011 8:21 AM | |
Joined: 5/24/2007 Last visit: 4/24/2024 Posts: 284 Rating: (27) |
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6/7/2011 8:32 AM | |
Posts: 53 Rating: (0) |
Thanks, Krish! |
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