Hexadecimal string of Conversion of the Cluster

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• The hexadecimal string to decimal content content

  I write a code in LabVIEW to convert MBus data for some energy meters.

  Apparently the meter that I use sends the data as a string in hexadecimal format, however after correctly parking that string in hexadecimal format, the real value is the decimal number in this hexadecimal string without conversion.

  Example:

  -Response of the meter (String in hexadecimal display):

  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

  -After parking, I get 22 bytes to 25 (09 58 02 00) in the right order, i.e. 09 58 00 02 meaning 25 809 MWh.

  This means that I need to transfer sort the string in hexadecimal numbers to display a decimal format and divede by 1000 to get the correct value in MWh.

  I tried to use the Type Cast and Conversion of string without success. Can someone please help me find a solution?

  Best regards.

  How's this for simplified?

  

• 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.

• Number in hexadecimal string conversion problem

  Hello

  for a serial communication, I need to send byte-code in an ascii hexadecimal string. When I use the constants and send them by VISA to the COM port it works fine, but if I use converters numbers it doesn't. Can someone show me what I'm doing wrong?

  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:

  

• How to find the bytes in hexadecimal string start

  Hi, I'm a freshman for Labview.

  I want to find the beginning bytes in Hex string. For example, 12 1A 00 34 1A 01 23... How can I get my data of 3 bytes of the hexadecimal string which starts at 1 'a '?

  Thank you for your help.

  You will need to provide more information. You have a string that has values of bytes like this? In other words, you have the control/indicator string value "hex display mode", and that you have provided, that's what you have? Or, you have the string in normal view?

  If it is in hexadecimal display mode, then use one of the functions of the chain to get a subset of the string. Have you looked in the channel palette?

  If it is in normal display mode, then you must convert all 2 characters to hex values.

  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.

• Insert into the cluster by string name

  Hello

  I am writing a Labview program to query .NET database management system and get the connected device (like USB CDC) listed with Port of corresponding Com, VID, PID, manufacturer of SN name ect...

  I got to the point where I get the channels I need and want to organize them in a cluster table.

  Here is my code, I wanted a better way to replace section circle of the code.

  Basically, I can get programmatically the cluster name, but when the cluster wads, I can't figure out a way to do it programmatically inside the while loop: a loop on the number of items in the cluster and by placing values in the right place.

  

  Is it possible to do?

  Thank you very much

  Amine

  Altenbach says:

  If the cluster contains exactly three elements of the chain (nothing else!) and they are classified as in the node of your 'bundle by name", all you have to do is on the"table of cluster"output size 3 and it wire in a table build node (upper entrance wired to your array of cluster and botton imput cable to the new cluster) Wired output by the right side of the image).

  Here is a simplified illustration which simply sets the value of the label. (top image). Because the labels are defined at compile time, all you need is perhaps to get the names of once at the beginning of the program, and then use a range of simple string instead.

  Another possibility would be to use the reference to the element to set the value inside the loop, and then get the final cluster value later (at the bottom of the image).

  (There are some simplified examples. All you need is to replace the code that gets your new string instead.)

  

• remove the odd spaces of the hexadecimal string

  Hello

  I would like to remove the odd spaces to a hexadecimal string, and the output result.  That's what the input string will look like:

  01 00 04 0F FF 36 3B CC...

  I want the output to be:

  0100 040F FF36 3BCC...

  I got the attached forum labview code earlier, but it does not work with the text.

  Any help is greately appreciated.

  Thank you

  hiNi.

  Try this version 8.2.

• remove the two zeros of hexadecimal string

  I'm passing an ASCII string of bench to a VI I wrote and I start with "04" and my VI the ASCII get normal "04".  I then have to convert an ASCII string to a Hex string (using a solution of VI, which I found on the web) and instead, having it display Hex '04', it adds two zeros in the Hex display "0004".  I need to remove the two zeroes don't is just "04".  I don't know there is probably an obvious solution (I'm fairly new to LabVIEW). Thank you

  A statement of format for a cast of just wiring operation confuses the programmer. Don't, don't. The value is not important as the type. (.. .and if you want a string, you can't even wire type.) String is the default!)

  What is the representation of the blue zero constant wired scheme down to the left of "hexadecimal string to munber '? Make sure it's U8.

  Please join the real VI, many things cannot determine in a single image. Thank you!

• Convert a single number to a hexadecimal string of 32-bit and exchange the high and low bytes

  I need to convert a number single precision floating decimal to hexadecimal format of 32 bits, share the high and low bytes and that convert a hexadecimal string.  I tried to use the 'Word of Swap' function but it seems to have no effect on the unique number.

  Then

  A single decimal number of entry: 100

  Convert 32 bit hexadecimal string with the low byte first: 0000 42 8

  Anyone have any ideas?

  Thank you

  Slightly lighter, try to cast U32 and exchange words. Same difference.

  (apparently, exchanging words is a NOOP for SGL, but still accepts SGL without constraint. Interesting...)

  

• Hexadecimal string to HEXADECIMAL number

  Hello Experts,

  I just stuck in a simple problem. in fact I'm having an array of string HEX I want to convert it to HEX number format, I am looking for this conversion. It's that simple, but I can't do this job. Please see the image to join for more understanding.

  

  Soon harry and thnaks in advance

  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.

  -Rob

• create a hexadecimal string

  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.

  (Note that the value entered in the D - Reg control no. 2003)

  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.

  

• concatenate a hexadecimal string

  I'm trying to communicate through a circulation bath series, but it requires that all orders as a hexadecimal string.  I generate a portion of the string as a constant, but I need to convert a decimal point and add it at the end of the string.  I can convert the decimal to hexadecimal very well, but when I concatenate the strings is not hex ASCII format.  I tried a number of different tracks but am not having success.  Any help out there?

  Too bad.  I have it.  Just need to convert in I16 then catalogued for hex.

• quick help hexadecimal string

  I know it must be very easy (or I guess, it should be), but here's my question:

  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.

  Your channel is actually two characters \09 tab and \07.

  Your structure case string should be "\09\07" will be converted to "\t\07".

• Write to the Cluster size in binary files

  I have a group of data, I am writing to you in a file (all different types of numeric values) and some paintings of U8. I write the cluster to the binary file with a size of array prepend, set to false. However, it seems that there are a few additional data included (probably so LabVIEW can unflatten on a cluster). I have proven by dissociation each item and type casting of each, then get the lengths of chain for individual items and summing all. The result is the correct number of bytes. But, if I flattened the cluster for string and get this length, it is largest of 48 bytes and corresponds to the size of the file. Am I correct assuming that LabVIEW is the addition of the additional metadata for unflattening the binary file on a cluster and is it possible to get LabVIEW to not do that?

  Really, I would rather not have to write all the elements of the cluster of 30 individually. Another application is reading this and he expects the data without any extra bytes.

  At this neglected in context-sensitive help:

  Tables and chains in types of hierarchical data such as clusters always include information on the size.

  Well, it's a pain.

• Writing to the cluster table

  We have an array of input we want to map where we use bundle according to the cluster name, the input array has some empty strings, and if there is no empty string between two indices values, so these values should get together at the same table and if there is an empty string before any string It must build new table of this value.

  I tried something but does not receive not correct logic to do so, below I enclose the vi with the expected results and the upcoming release.

  Thank you

  It becomes more easier if separate you the processing of the input of the Group of the cluster values table.

  See if the attachment does what you are looking for.

  Steve