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FC 704

Created by: myhay_e at: 12/23/2011 8:00 AM (7 Replies)

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12/23/2011 8:00 AM	Rate (0)
myhay_e Posts: 6 Rating: (0)	hello, i have a function FC 704 = LIM_R, how can i change the limits High_Lim and Low_Lim, in this moment my limits are = 0 (High and Low) and the output are 0. this function is lock. this is a system function? thanks for your cooperation! Merry Christmas! best regards,
myhay_e Posts: 6 Rating: (0)
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12/23/2011 8:47 AM	Rate (0)
Aret Posts: 2348 Rating: (265)	Very interesting question indeed, but seems you should answer it yourself:^)) You can identify this block in 2 ways as i see - write it's size and creation date and search for libraries for it or can try to press F1 when you have your block selected..... Of course you can try to contact author of the project and ask him
Aret Posts: 2348 Rating: (265)
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12/23/2011 9:20 AM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	myhay_e hello, i have a function FC 704 = LIM_R, how can i change the limits High_Lim and Low_Lim, in this moment my limits are = 0 (High and Low) and the output are 0. this function is lock. this is a system function? thanks for your cooperation! Merry Christmas! best regards, Dear myhay_e, If it is possible, you can upload your project here to make it easier for other members to help you . Best regards, Hamid Hosseini
	Demo Channel on Youtube
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12/27/2011 12:27 PM	Rate (0)
myhay_e Posts: 6 Rating: (0)	hello, how can i upload only the function with problem. in this function i have limitation, scaling and unscaling for an analogic signal: - i have an input signal analogic +/-10V from a joistyk; - this signal +/-10V is convert to 4-20mA to output - after the AO modul in (I) i have an analog converter isolator, this transform 4-20 mA in +/- 10 V for command a hidraulic proportional. program is property of the company where I work, for this reason can not put the entire program here. but a small part I can. thank for your cooperation, best regards.
myhay_e Posts: 6 Rating: (0)
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12/27/2011 1:01 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	myhay_e hello, how can i upload only the function with problem. in this function i have limitation, scaling and unscaling for an analogic signal: - i have an input signal analogic +/-10V from a joistyk; - this signal +/-10V is convert to 4-20mA to output - after the AO modul in (I) i have an analog converter isolator, this transform 4-20 mA in +/- 10 V for command a hidraulic proportional. program is property of the company where I work, for this reason can not put the entire program here. but a small part I can. thank for your cooperation, best regards. Dear myhay_e, Simply create new project , insert only S7 Program in it. Copy your function in the "Blocks" folder.Archive the project and upload it here. Best regards, Hamid Hosseini
	Demo Channel on Youtube
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12/28/2011 11:03 AM	Rate (0)
myhay_e Posts: 6 Rating: (0)	hello, thank you hdhosseini, in attach you have sequence of program. best regards, Attachment Test_fc4.zip (93 Downloads)
myhay_e Posts: 6 Rating: (0)
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12/28/2011 1:45 PM	Rate (0)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 9/4/2025 Posts: 3049 Rating: (1062)	Hello myhay_e your "LIM_R" (FC 704 in your case) is partof the CFC library and attached is the help for itwhich will hopefully answer your questions. In case it is called in CFC,"Min" and "Max' inputs may be hidden (you can define the visibilty of block parameters in its properties), so you may want to check this (it could explain why you think you can't change theses values). I hope this helps Attachment LIM_R_Help.jpg (85 Downloads)
	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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12/28/2011 2:37 PM	Rate (0)
myhay_e Posts: 6 Rating: (0)	hello fritz, i understood, it is now clear, in online mod i can see the values of Min & Max. thank you to everyone for their help. best regards
myhay_e Posts: 6 Rating: (0)
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This contribution was helpful to 1 thankful Users fritz

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