Hexadecimal string of digital conversion
I have the following string returned by a MODBUS instrument:
My embedded data are 0104, 7530, 7530, 7530 that appears inside the Green brackets.
I want to convert them into digital data relevant to 260, 30000, 30000 30000.
Tried to do it with an attached VI. Do not do good. Any help would help!
(The attached VI tries to convert only the first data that is 0104)
Tags: NI Software
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Conversion to hexadecimal string
Hello world
I'm using Labview 2012 and receive data on my serial port which I want to convert a hexadecimal string. I have attached a VI that only allows me to convert the first part of the string, but not the rest.
Does anyone know how to do this?
PS: I don't want to have just the incator displayed in hexadecimal format, I really need to do a conversion of the string to be able to work around it after.
Thank you.
User
See that red dot on the number of function Hex String in the image of the code, which is your data gets blown into a U64 array. Yuk. Drag a loop around the spell function channel number and it is actually a little faster. Goes against everything you think you know all LV, but it's one of those exceptions.
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deepearth
--------------------------------
Windows XP SP3, LV 8.5.1
Since your string indicator is set to hexadecimal display, it seems you want to a hexadecimal string, a single byte/number.
(You are currently using a hexadecimally format string, composed exclusively of ASCII of the 2 characters/byte "0.F" characters.) This is not what you want!).
Here is another solution using type conversion:
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Harry,
You can do this (and many other conversions from string to a number) with analysis of the chain. %x indicates LabView input data are hexagonal. There are also a lot of string functions to a number (for example ' in hexadecimal string to the number") which could be faster if you do this 100 000 times in loop, but analysis chain will solve 99% of your problems.
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68 37 37 68 08 07 72 89 12 13 67 A7 32 04 04 00 00 00 00 0C 06 09 58 02 00 0C 14 39 13 79 00 0B 2D 47 00 00 0 B 3 B A 30 32 00 5-0 HAS 81 03 0A 5TH 68 0 A 03 62 13 00 0F 21 04 00 00 20 86 16
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Good day, experts, OR the
I would like to ask for help on the stage of the VBAI calculator. Is there a way I could convert a hexadecimal string to ASCII character? For example 25 (Hex) to %(ASCII) or, if not in the calculator to other methods? I'll have to send data via TCP/IP later.
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Andrei K.Now I understand what you want. You can actually do from TCP step. First of all, you need get the length of the string in a digital as you did in step of the calculator, but then you can send this digital as a hexadecimal string of ascii to TCP step. To do this, have the length of the string as a numeric result in the return of calculator. In the TCP step, add a "Write" command and insert a result. Select the digital output of the step of the calculator and U8 of the data format. You can use the display/Hex Normal display to view the data that will be sent, and when displaying normal view, you can see that it is a '%' value when length is 37. See the attached screenshot to see how I did it.
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I want to send a hexadecimal string to a device.
0000 0000 0006 0103 2 0001 07D
If I send the string as written above, I get the expected response.
2 07D is a register number and I would like the user to be able to choose the register. I created this code to see if I could insert the hex string required in the full string. (Note that string constants are in hexadecimal display)
It works very well, producing the correct hexadecimal string, 0000 0000 0006 0103 2 0001 07D. I send the string and the device reacts as expected.
Since I want the user to be able to choose the registry I created a mechanism for it and replaced the constant substring (07D 2) with this code.
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Although the conversion of a hexadecimal string of product 07D I16 control 2, replace the hexagonal result string of the function subset string produces this, 0000 0000 0006 0103 3037 4432 0001.
Can anyone offer advice or perhaps suggest another method?
Thank you.
John.
First of all, when the formatting strings, you're better off the coast using the Vi of string marker rather than replace elements in a string. However, in this case your string format is retrungin you the representation of ASCII number and, therefore, you get an incorrect value in the output string. What you need to do is to replace the bytes of the string with the actual binary data, not the ASCII representation. One way to do this is to simply flatten the number to a string, then replace the bytes. You can also convert the number as well, and then replace the data. Here is an example.
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Dear friends,
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_0_
_1_
_10_
_11_
_12_
_13_
_14_
15
_16_
_17_
_18_
_19_
_2_
_20_
_21_
_22_
_23_
_24_
_3_
_4_
_5_
_6_
_7_
_8_
_9_
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- - -
Now I want to convert this value in digital and do some math
So I changed the formula as below
Cast (CASE Grade.Grade WHEN "E4" THEN "24' WHEN 'E3' THEN '23' WHEN 'E2' THEN '22' WHEN 'E1' THEN '21' Grade.Grade END as an INT. ELSE")
Now I get the following error
View display error
Driver Odbc _ returned an error (SQLExecDirectW). _
Error details
Error codes: OPR4ONWY:U9IM8TAC:OI2DL65P
_State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error occurred. [nQSError: 17001] Oracle error code: 1722, message: ORA-01722: invalid number in the OIC calling OCIStmtFetch. [nQSError: 17012] In bulk fetch failed. _ (HY000)
SQL issued: SELECT cast (CASE Grade.Grade WHEN "E4" THEN "24' WHEN 'E3' THEN '23' WHEN 'E2' THEN '22' WHEN 'E1' THEN '21' Grade.Grade END as an int. ELSE") seen'Human Capital' 0 - Costing Manpower WHERE LENGTH (Grade.Grade CASE WHEN 'E1' THEN '20' WHEN 'E2' THEN '21' WHEN 'E3' THEN '22' WHEN "E4" THEN "23 ' ELSE Grade.Grade END) > 0 ORDER BY saw_0_
Discount
Could someone help me
Concerning
Mustafa
Published by: Musnet on June 29, 2010 05:42
Published by: Musnet on June 29, 2010 06:48Are you sure you don't have another non-digital value in your column. I want to get this filter temporarily just to check if your plaster works or not. If it works, then you can remove this filter.
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To learn more about LabVIEW, it is recommended that you go through the tutorials and look over the material in tutorials the NI Developer Zone Learning Center , which provides links to other materials and other. You can also take a course online for free.
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Side block diagram, how I translated the string so that it enters the right hex format, so when my rope is 0907 in hexadecimal, my light. Basically, I can't format the string to a 0907 of weird symbol that it is now. I know it has to do with the way in which the string is stored as a "normal string" vs "hexadecimal string", but could someone show me how to easily switch between the two on the side of block diagram? (on the VI side its as simple as right-clicking, but I was in trouble he is).
Thank you - and have a nice weekend together.
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Your structure case string should be "\09\07" will be converted to "\t\07".
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Your question is very ambiguous. Please explain.
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hiNI wrote:
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You said you wanted two tables, must still be decided on two columns.
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