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convert HEX i to ASCII format

11/14/2013 10:55 AM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	Hello, I'm new in this, so I turn to you for help. I have the following problem. After reading with a BarcodeReader via Profibus this what i see is in HEX format (For example W#16#4C47) but whis what i chan is in ASCII format (4C=L, 47=G) , How I can convert HEX i to ASCII format.
Milen_I. Posts: 23 Rating: (0)	Last edited by: Milen_I. at: 11/14/2013 12:56 PM Last edited by: O_Moderator at: 11/14/2013 11:37 AM new subject after splitting from /tf/WW/en/Posts/81598#top
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11/14/2013 12:28 PM	Rate (0)
smiffy Platinum Expert Joined: 1/17/2007 Last visit: 11/20/2025 Posts: 1561 Rating: (540)	Simply split the word into 2 bytes using AND and SHIFT operators then store the individual bytes in CHAR types. The SCL code to do this would be:- [code] FUNCTION_BLOCK FB1001 VAR_INPUT W : WORD; END_VAR VAR_OUTPUT CH1 : CHAR; CH2 : CHAR; W : WORD; END_VAR CH1 := BYTE_TO_CHAR(WORD_TO_BYTE(W AND 16#00FF)); CH2 := BYTE_TO_CHAR(WORD_TO_BYTE(SHR(IN := (W AND 16#FF00), N := 8))); END_FUNCTION_BLOCK [/code] The STL code to do this would be (where w is a WORD and c1 and c2 are CHARS):- [code] L #w AW W#16#FF T #c1 L #w AW W#16#FF00 SRW 8 T #c2 [/code]
	Programming today is the race between software engineers building bigger and better idiot proof programs, and the universe producing bigger and better idiots. So far, the universe is winning...
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11/14/2013 1:30 PM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	See now what is the problem. Attachment ASCII.JPG (1564 Downloads)
Milen_I. Posts: 23 Rating: (0)
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11/14/2013 1:37 PM	Rate (0)
0_Einstein Grandmaster-Expert Joined: 7/7/2010 Last visit: 12/23/2025 Posts: 16325 Rating: (2520)	Milen_I. See now what is the problem. try AW W#00FF as smiffy showed in scl
	science guy
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11/14/2013 2:39 PM	Rate (0)
BhaPraJ Posts: 519 Rating: (83)	[quote user="Milen_I."]See now what is the problem. Why did you load different value before ANDing. ? The value would be same. .
BhaPraJ Posts: 519 Rating: (83)	Last edited by: Pranav J. Bhagat at: 11/14/2013 2:42 PM
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This contribution was helpful to 2 thankful Users smiffy 0_Einstein

11/14/2013 3:33 PM	Rate (0)
Milen_I. Posts: 23 Rating: (0)	Sorry, i didn't see this. Thank you very much. Now everything is ok.
Milen_I. Posts: 23 Rating: (0)
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This contribution was helpful to 2 thankful Users smiffy 0_Einstein

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