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Communication via CP 343-1 Lean - Problem with Put and Send

Created by: fly at: 12/18/2007 7:50 PM (16 Replies)

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12/30/2007 3:30 PM	Rate (0)
Jesper Pedersen Posts: 279 Rating: (30)	Jesper Pedersen ... connect both CP343-1 modules and you PC to the same network via a switch. Then check that you can ping both CP343-1 modules. If that is OK, then investigate the error code that is returned from FC5. Did you do this ? What was the result ?
Jesper Pedersen Posts: 279 Rating: (30)
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12/30/2007 5:29 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	Hi, A CPU 313-2DP have the possibility to have 8 connections, from this there could be 4 S7 connections. So it must be possible to communicate with FC5 and FC6.
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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12/31/2007 1:08 AM	Rate (0)
fly Posts: 11 Rating: (0)	Ok, boy I have the TCP conextion run........... The data is going to the one CP to the other CP, infact I can read the data. But, the data is not clear for me.....maybe I have to make a User programa to sicronizing the communication but I don´t know how????? because I think, it should be clear! you know If I write a real data for example on the DB send(Station 1), in the other DB RVC(Station 2) I shuold have a real data. but the data repetlly continuoslly in all DB each 4 bytes....... because I have the comunicaction active whit data flowing by ethernet conextion Question: 1. I have to promang something else whit AG_SEND/AG_RVC, and DB´s???? Best reagrds fly............................
fly Posts: 11 Rating: (0)
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12/31/2007 1:17 AM	Rate (0)
fly Posts: 11 Rating: (0)	ok, boy I have the communication run, but the data is not clear for me, because I think if I write a real data in the Station 1, I have to recive a real data on the other Station(2). the data is flowing by the ethernet conextion but I don´t read the data, that I write, may I have to make something else on the User programa, because I just program AG_SEND / AG_RVC and their DB´s.....to each station see you fly.......
fly Posts: 11 Rating: (0)
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12/31/2007 12:37 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	fly The data is going to the one CP to the other CP, infact I can read the data. But, the data is not clear for me.....maybe I have to make a User programa to sicronizing the communication but I don´t know how? If I write a real data for example on the DB send (Station 1), in the other DB RVC (Station 2), I should have a REAL data. but the data repetlly continuoslly in all DB each 4 bytes....... because I have the comunicaction active whit data flowing by ethernet conection. Question: 1. I have to program something else whit AG_SEND/AG_RVC, and DB´s? Hi Vlieg, If i understand your question well, then it is important that you have a trigger on the AG_SEND that must be a flank. When you don't do that then there will be a big amount of data on the Ethernet. Normally the SEND Datablock that is made in the 1st CPU is copied (when everything is declared) to the blockcontainer of the 2nd CPU as the RECV Datablock, so that the send and received data are the same. For a good example see: How do you program the communication blocks FC5 and FC6? Of course you have to fill the Datablock by your program, the easiest way is to use the variable from the Datablock into the program that you are writing.
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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12/31/2007 2:46 PM	Rate (1)
Jesper Pedersen Posts: 279 Rating: (30)	fly I have the communication run, but the data is not clear for me, because I think if I write a real data in the Station 1, I have to recive a real data on the other Station(2). AG_SENDand AG_RVC just transmit bytes. If you want to share type formatting, you can simply create the send DB in one project, copy it to the other project, and then use it for the receive DB. In that way, a REAL in the send DB becomes a REAL in the receive DB. Another method is to create a UDT with the desired type formatting, but it sounds like it is a bit too complicated for you.
Jesper Pedersen Posts: 279 Rating: (30)
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12/31/2007 7:25 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	DearJesper, That is also a good one, program a UDT that could be used everywhere.... I have not thoughtabout that, but I am using all the way UDT's... The question is how did we tell this to our friend in some clear language....
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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