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Temp vs Local parameter

Created by: akbar_torkashwand at: 4/9/2023 8:27 AM (5 Replies)

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4/9/2023 8:27 AM	Rate (0)
akbar_torkashwand Bronze Member Joined: 6/14/2015 Last visit: 12/25/2025 Posts: 260 Rating: (2)	dchartier Hello Alex; Have a look at the attached explanation, extracted from the following manual: SIMATIC Programming with STEP 7 V5.5 Hope this helps, Daniel Chartier Thanks so much. I don't know what is different between Temp and Local parameter . can you explain me? ------------------------------------------------------------------------------------------ Split from What does "LW" mean?.
	Last edited by: Jen_Moderator at: 04/11/2023 04:20:02 New subject after splitting
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4/9/2023 9:46 AM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 12/11/2025 Posts: 5656 Rating: (1082)	akbar_torkashwand Thanks so much. I don't know what is different between Temp and Local parameter . can you explain me? The tags / variables that you declare in the FC / FB / OB can also be called local parameters. Local parameters in an FB can be of IN (input), OUT (output), IN-OUT (combined input and output), STAT (static), TEMP (temporary) and CONST (constant) declaration groupings. Does this response help you? What brought on your question?
	Activities of this user is voluntary. There is no obligation or liability placed on this user. Though optional, your 'please' and 'thank you' is highly valued.
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4/10/2023 11:09 AM	Rate (0)
akbar_torkashwand Bronze Member Joined: 6/14/2015 Last visit: 12/25/2025 Posts: 260 Rating: (2)	qwazee akbar_torkashwand Thanks so much. I don't know what is different between Temp and Local parameter . can you explain me? The tags / variables that you declare in the FC / FB / OB can also be called local parameters. Local parameters in an FB can be of IN (input), OUT (output), IN-OUT (combined input and output), STAT (static), TEMP (temporary) and CONST (constant) declaration groupings. Does this response help you? What brought on your question? Thanks so much. I have uploaded program from PLC. It has " IN (input), OUT (output), IN-OUT (combined input and output), STAT (static), TEMP (temporary) " . also it has some line same as below L 0 T LW 0 T LW 2 I don't know what dose that mean.

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4/10/2023 11:18 AM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 12/11/2025 Posts: 5656 Rating: (1082)	akbar_torkashwand Thanks so much. I have uploaded program from PLC. It has " IN (input), OUT (output), IN-OUT (combined input and output), STAT (static), TEMP (temporary) " . also it has some line same as below L 0 T LW 0 T LW 2 I don't know what dose that mean. Bits L0.0 to L3.7 is reset. Are there any variables defined in the TEMP declaration area? Please make a screen capture of the declared parameters if you hope for more conversation.
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4/11/2023 4:11 AM	Rate (0)
akbar_torkashwand Bronze Member Joined: 6/14/2015 Last visit: 12/25/2025 Posts: 260 Rating: (2)	Thanks so much. this is my Temp Attachment Temps.PNG (496 Downloads)

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4/11/2023 4:27 AM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 12/11/2025 Posts: 5656 Rating: (1082)	akbar_torkashwand Thanks so much. this is my Temp One of the columns is marked "Address". TEMP62 is at 'address' 0.0.. so that would be L0.0 So all the bits from L0.0 up to L3.7 is set to FALSE.
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