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data types

Created by: gerard32 at: 12/28/2014 1:43 PM (5 Replies)

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12/28/2014 1:43 PM	Rate (0)
gerard32 Bronze Member Joined: 10/5/2014 Last visit: 8/12/2022 Posts: 243 Rating: (1)	hello.........., i hardly dare to put my question in here, because it seems so simple and i can find a lot of it on the internet, but a detailed explanation/manual about it i can't find it. it goes about adresses and data types you have input bit, input word, input double word, output bit, output byte, output word, output double word, for the mermory's the same. and a lot more and than for example if i take 'output double word' it's available in several types like DWORD, DINT, REAL, TOD, and TIME. from 0 to 65532 is there anyone who can declare all of this or has a manual about this, and than not about all the types that there are but a manual about what type is for what with a example or something. gr

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12/28/2014 2:01 PM	Rate (0)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 4/22/2025 Posts: 6867 Rating: (1367)	gerard32 hello.........., i hardly dare to put my question in here, because it seems so simple and i can find a lot of it on the internet, but a detailed explanation/manual about it i can't find it. it goes about adresses and data types you have input bit, input word, input double word, output bit, output byte, output word, output double word, for the mermory's the same. and a lot more and than for example if i take 'output double word' it's available in several types like DWORD, DINT, REAL, TOD, and TIME. from 0 to 65532 is there anyone who can declare all of this or has a manual about this, and than not about all the types that there are but a manual about what type is for what with a example or something. gr Hello gerard32, You can find all these data in online manual for all PLC programming softwares in SIMATIC family.For STEP 7,You can try section "27.3.2 Elementary Data Types" of the following manual: SIMATIC Programming with STEP 7 V5.5 In brief, data types DINT,DWORD,Real and Time have same width but they have different interpretation for programmer and CPU due to their practical applications.Normally , a variable with DWORD type is used for digital operations such as 32-bit logics,shift and rotate while DINT is mainly used for arithmetic operations.For Real data type , mainly complex math functions with floating point features is considered. Also sections 7,8 ,11,13 of the following manual tell you more practical tips for programming and explain how to apply different type of data: SIMATIC STEP 7 V5.5 Statement List (STL) for S7-300 and S7-400 Programming I hope this explains some of your doubts, Hamid Hosseini
	Last edited by: hdhosseini at: 12/28/2014 2:12 PM Demo Channel on Youtube
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12/28/2014 6:50 PM	Rate (1)
VVago Posts: 784 Rating: (53)	Hello, Perhaps the attached file might help. Best regards....... Attachment Data types_By Wago.pdf (387 Downloads)
VVago Posts: 784 Rating: (53)
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This contribution was helpful to 2 thankful Users Marcjan Bellio

12/31/2014 11:35 AM	Rate (0)
gerard32 Bronze Member Joined: 10/5/2014 Last visit: 8/12/2022 Posts: 243 Rating: (1)	hello guys, thank you for helping me i also have another thing, for program a anlog input, how do you do that so that you can monitor the value does anyone know wich manual i need with more information about this kind of stuff gr

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12/31/2014 11:50 AM	Rate (0)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 4/22/2025 Posts: 6867 Rating: (1367)	gerard32 hello guys, thank you for helping me i also have another thing, for program a anlog input, how do you do that so that you can monitor the value does anyone know wich manual i need with more information about this kind of stuff gr For S7-300/400 in STEP 7,you can start from FC105(SCALE) from "TI-S7 Converting Blocks" library and stroke F1 for more information. For other hardware and software environment, search the related documents. Attachment FC105.pdf (335 Downloads)
	Last edited by: hdhosseini at: 12/31/2014 12:01 PM Demo Channel on Youtube
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1/3/2015 1:12 PM	Rate (0)
Min_Moderator Platinum Member Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4766 Rating: (122)	New question published bygerard32 is split to a separate thread with the subject 314ifm scaling inputs and outputs. Best regards Min_Moderator

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