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STL help

Created by: Out Control at: 10/16/2011 4:26 PM (7 Replies)

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10/16/2011 4:26 PM	Rate (0)
Out Control Posts: 204 Rating: (1)	I have a s7 300 program , it was written by STL This is a network O #IN0 O #IN4 = #OUT5 O #IN1 O #IN4 = #OUT6 O #IN2 O #IN4 = #OUT7 O #IN3 O #IN4 = #OUT8 I didn't know what it mean? are each two inputs oring to give an output ?? and are the four output Separete ?? what is the relation between my 8 inputs and 4 outputs?? Best regards
Out Control Posts: 204 Rating: (1)
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10/16/2011 4:46 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	Nashwa_459 I have a s7 300 program , it was written by STL This is a network O #IN0 O #IN4 = #OUT5 O #IN1 O #IN4 = #OUT6 O #IN2 O #IN4 = #OUT7 O #IN3 O #IN4 = #OUT8 I didn't know what it mean? are each two inputs oring to give an output ?? and are the four output Separete ?? what is the relation between my 8 inputs and 4 outputs?? Dear Nashwa_459 This logic should be part of a function.It is not difficult to interpret these codes (series of OR )but we should get more information about the function.What are the actual inputs and outputs of thefunction and where it executed in your program. Just analyzesmall partof your codes,#OUT5 = #IN0 OR #IN4, at least one of #IN0 OR #IN4 should be ON to have #OUT5 ON. should be on to make [code] O #IN0 O #IN4 = #OUT5 [/code] Best regards
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10/17/2011 6:44 AM	Rate (0)
Out Control Posts: 204 Rating: (1)	Dear hdhosseini, Thanks alot for your reply this STL in one network which has 8 inputs and 4 outputs. this network find in a function . I understand the meanning of O I0.0 O I0.4 = Q0.5 but didn't understand the meanning of O I0.0 O I0.4 = Q0.5 O I0.1 O I0.4 = Q0.6 what is the relation between inputs and outputs I try to convert it to LDD or FBD but not converter Best regards
Out Control Posts: 204 Rating: (1)
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10/17/2011 7:53 AM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	Nashwa_459 this STL in one network which has 8 inputs and 4 outputs. this network find in a function . I understand the meanning of O I0.0 O I0.4 = Q0.5 but didn't understand the meanning of O I0.0 O I0.4 = Q0.5 O I0.1 O I0.4 = Q0.6 what is the relation between inputs and outputs I try to convert it to LDD or FBD but not converter Dear Nashwa_459 There are 2 logic steps in the following codes.A logic step consists of check statements and conditional statements. Simply copy each logic step in a different network and try to convert from STL to LAD. [code]//////////////LOGIC STEP1///////////// O I0.0//CHECK STATEMENT O I0.4//CHECK STATEMENT = Q0.5//CONDITIONAL STATEMENT ////////////////LOGIC STEP2/////////// O I0.1 O I0.4 = Q0.6[/code] Best regards
	Demo Channel on Youtube
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10/17/2011 9:15 AM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, In order to convert to fbd or lad you have to split the code in 2 networks. See picture, Regards, Marcjan Attachment fbd.JPG (150 Downloads)
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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This contribution was helpful to 1 thankful Users Out Control

10/17/2011 3:03 PM	Rate (0)
Out Control Posts: 204 Rating: (1)	Thanks all, yup, I understand the logic but I was confiused why 2 logics in one network now it's equal if i used 2 networks
Out Control Posts: 204 Rating: (1)
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10/17/2011 3:21 PM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, In STL you can write a whole program in OB1 network 1, not recomended, but i have seen some (and changed it verry quickly) In FBD that's not possible there are some rules, read more about it here: https://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=en&objid=21952992&caller=view The : Why can't you display an STL program in FBD or in LAD? part. Regards, Marcjan
	Last edited by: Marcjan at: 10/17/2011 3:24 PM Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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10/17/2011 5:02 PM	Rate (0)
Out Control Posts: 204 Rating: (1)	Dear Marcjan, Thanks alot for your help This link is very useful Best regards
Out Control Posts: 204 Rating: (1)	Last edited by: Nashwa_459 at: 10/17/2011 5:07 PM
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This contribution was helpful to 1 thankful Users Marcjan

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