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Status 8184 with AG_RECV (FC6)

1/9/2008 3:05 PM	Rate (0)
Coach Posts: 7 Rating: (0)	Hello, I've got a problem using FC6 (AG_RECV) with a CPU 315-2DP and a CP343-1. The connection is established with the remote CPU. The AG_SEND block works correctly and the data are sent to the other CPU. But the AG_RECV block note the status 8184 which means an errorfor the RECV parameter or a system error. What means system error? The pointer used for this parameter is correct and I don't see what's wrong in the block call. I try to change the receive data pointer, using the FC6 alone, restart the CPU, restart the CP,.. but none of these actions resolve the problem. Anyone can help me or suggest me something? CPU 315-2DP 315-2AF03-0AB0 CP 343-1343-1EX10-0XE0 Thanks
Coach Posts: 7 Rating: (0)	Last edited by: Coach at: 09.01.2008 15:16
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1/9/2008 9:42 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 3/9/2025 Posts: 2705 Rating: (321)	Hi, It could be that the SEND is triggered to fast, when the request = "1" the FC would send as fast as it could. You have to made a flank before triggering the send. This block is very old, the newer blocks have a one shot built in. They couldn't change it because then it is not compatible anymore... When the SEND goes to fast, the RECEIVE wouldn't follow it any more andwents bizirk.
	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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1/10/2008 9:01 AM	Rate (0)
Coach Posts: 7 Rating: (0)	Hi late, I already try this solution but it doesn't work. The send block is enabled when the receive block isdone without errors (thus never^^). When I enable the send block permanently it works well but the receive not. I already try the AG_LRECV bloc but it is not usable for my CPU. The blocks receive and send are executed in a OB that run every 10ms. The cycle time is approximatively of 1ms. The other CPU is a S7-400 (AG_LRECV and AG_LSEND)which communicate correctlywith others S7-300 (sameblocks use) Do you have another idea? Thanks a lot for your help.
Coach Posts: 7 Rating: (0)
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1/10/2008 7:07 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 3/9/2025 Posts: 2705 Rating: (321)	Hi. Have you seen the example for this communication.... Sample program: configuring the blocks AG_SEND/AG_RECV ( V4.02 ) If this sample not work on your system then it must be a hardware problem...
	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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1/11/2008 8:55 AM	Rate (0)
Coach Posts: 7 Rating: (0)	Hi Late, I called the Siemens Belgian technical support and it seems that the CPU and the CP ethernet cards are not compatible. We try with a newer one and all works. Thanks for your help. Regards
Coach Posts: 7 Rating: (0)
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