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FieldWrite, how it works?

Created by: THUAIA at: 7/10/2014 1:08 PM (17 Replies)

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7/10/2014 1:08 PM	Rate (0)
THUAIA Posts: 17 Rating: (0)	Hello, I'm trying to do a FieldWrite block to work. I read most of the treads on this topic and my only solutions is that someone to show on my example why is not running and tell my what to do. What I want is that every time that S0 is activated (takes the value of 1) the writeField to write on "Member" the value from "Value". I found a example like this on the forum and what I noticed is that %MB10 is only a memory space without value and I don't know how this can be writen. Here I attache a photo with my block. Attachment pic1.jpg (514 Downloads)
THUAIA Posts: 17 Rating: (0)
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7/10/2014 1:36 PM	Rate (0)
William_B Posts: 5225 Rating: (1195)	Hi. Please let us go one step back. What do you want to achieve? ....what TIA version do you have. FieldWrite comes from TIA V10.5 and now has alternatives: ....................................................TIA V11 SP2 Update 5 and above #ReadValue := #MyArray[#index]; Also.. #MyArray[#index] := #NewValue; Even though these are shown in SCL it also applies to LAD and FBD. Helpful? w
William_B Posts: 5225 Rating: (1195)	Last edited by: William B. at: 7/10/2014 1:38 PM mention TIA V11
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7/10/2014 1:53 PM	Rate (0)
THUAIA Posts: 17 Rating: (0)	Hi and thx for reply, I wanna make an interface to a elevator and I wanna every flour to correspond to a item of an array so when it changes to let me know that a button is pushed. I have TIAP V 12. I will try then to use SCL.
THUAIA Posts: 17 Rating: (0)	Last edited by: THUAIA at: 7/10/2014 1:56 PM
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7/10/2014 2:01 PM	Rate (0)
William_B Posts: 5225 Rating: (1195)	THUAIA Hi and thx for reply, I wanna make an interface to a elevator and I wanna every flour to correspond to a item of an array so when it changes to let me know that a button is pushed. I have TIAP V 12. I will try then to use SCL. No need to use SCL! You can use LAD's MOVE to do the task. One moment and I'll give an example. w
William_B Posts: 5225 Rating: (1195)
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7/10/2014 2:12 PM	Rate (0)
William_B Posts: 5225 Rating: (1195)	..Ladder example code.. Attachment Visual clue_use MOVE function to copy of structure in TIA.jpg (688 Downloads)
William_B Posts: 5225 Rating: (1195)
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This contribution was helpful to 2 thankful Users 0_Einstein THUAIA

7/10/2014 2:17 PM	Rate (0)
THUAIA Posts: 17 Rating: (0)	Wow thx, I think this will work . That saves me a lot of time
THUAIA Posts: 17 Rating: (0)
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This contribution was helpful to 1 thankful Users William_B

7/22/2014 12:35 PM	Rate (0)
THUAIA Posts: 17 Rating: (0)	I have tried, like it shown in the picture, to build in DB an array of structures but it doesn't. Also tried to make a new data type and didn't work, it says that the Data Type is not allowed there. Any clue? thx
THUAIA Posts: 17 Rating: (0)
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7/22/2014 9:36 PM	Rate (0)
William_B Posts: 5225 Rating: (1195)	THUAIA I have tried, like it shown in the picture, to build in DB an array of structures but it doesn't. Also tried to make a new data type and didn't work, it says that the Data Type is not allowed there. Any clue? thx Wow.. I find it very strange that you would have an issue. Please.. - which version of TIA do you have? (TIA V12 service pack...?) - show us some screen captures of how you are attempting this. w
William_B Posts: 5225 Rating: (1195)
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7/22/2014 11:28 PM	Rate (0)
William_B Posts: 5225 Rating: (1195)	See if the attachment is of any help. Let us know at which step does things deviate.. please send us an image. w Attachment Visual step by step 1.zip (497 Downloads)
William_B Posts: 5225 Rating: (1195)
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7/23/2014 12:03 AM	Rate (1)
William_B Posts: 5225 Rating: (1195)	Another example.. (sorry for the size and quality - it is a challange to get these below 3MB) Attachment Visual step by step 2.zip (333 Downloads)
William_B Posts: 5225 Rating: (1195)
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