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Unable to copy while downloading?

2/7/2011 12:19 AM	Rate (0)
Elite Posts: 23 Rating: (0)	Dear Experts, I programmed by following CP-ptp samples by using FB2, FB3 (P_SEND, P_RCV). but i got a message "unable to copy FB2, FB3" while downloading and CPU SF light coming and goes to stop. But i can simulate with PLC SIM no problem at all. So kindly advise me the way to solve my problems. I am using CP340 in ASCII mode to test hyperterminal. Thanks in advance! Bgrds, Phyoe Attachment FB3 from CP ptp library.pdf (192 Downloads)
Elite Posts: 23 Rating: (0)
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2/7/2011 8:53 AM	Rate (0)
umencho Diamond Expert Joined: 3/21/2006 Last visit: 3/19/2025 Posts: 10239 Rating: (1183)	Hello Phyoe, Put the CPU in Stop. Download one by one - DBs, then FBs (P_SEND,P_RECEIVE) ->FCs or OBs where call the FB2 and FB3 functions. Assuming have write access in CPU. Even if this CPU is only for test, make MRES before to start the downloading procedure. Best regards, Hristo Mihalev

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2/7/2011 9:21 AM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello Phyoe, the details of the error message during downloading as well as the entries of the diagnostic buffer of the CPU will give you a hint what's wrong. Which messages do you get? Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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2/7/2011 9:31 AM	Rate (1)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 3/25/2025 Posts: 3042 Rating: (1061)	Hello phyoemaung What is the part number of your CPU, how old is it? Gut feeling tells me it is an ancientone which does NOT have SFB52/53 in it (these are called inside FB2&FB3) and that's why it does not allow the download. The easiest way to to findout which SFC's and SFB's your CPU support please isthis: 1.) Connect to it, select the CPU or blocks folder andgo to Module information (CTRL+D) 2.) Go to the "Performance Data" tab and see what System Funtions are in your CPU. If SFB52/53 areNOT listed, you can NOT use FB2&FB3 (P_SEND, P_RCV) and instead need to use "P_SEND_OLD" and "P_RCV_OLD" (these use SFC58/59 instead and canbe found in the same CP340library as FB2/3). I hope this helps
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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2/7/2011 2:53 PM	Rate (0)
Elite Posts: 23 Rating: (0)	Dear Experts, Thanks you so much for your fast response. Finally i found my problem that were pointed and guided by Fritz. i used old CPU 315-2-DP, SFB52 and SFB53. After that i change P_SEND_OLD and P_RCV_OLD, everything was fine and now i can test hyperterminal . Thanks a lot Fritz. Bgrds,
Elite Posts: 23 Rating: (0)
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This contribution was helpful to 3 thankful Users fritz umencho O_Moderator

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