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encode moudle

Created by: hefeng_05 at: 2/7/2009 8:19 AM (12 Replies)

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2/7/2009 8:19 AM	Rate (0)
hefeng_05 Posts: 60 Rating: (2)	Dear all everyone who know about how to connect the encode to s7 moudle the encode information is in attachment thanks Eric.tang Attachment TY5038DB.pdf (873 Downloads)
hefeng_05 Posts: 60 Rating: (2)
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2/7/2009 8:44 AM	Rate (0)
Gebhardt Karl Platinum Member Joined: 7/16/2006 Last visit: 1/2/2024 Posts: 1502 Rating: (176)	Hi You need 16 Bit as 24Volt Inputs. As Sample: Power: 0V on Pin 20 + 23 + 25 +24Volt on Pin 24 + 17 (Pin 17 Enable Encoder outputs) Feedback (As Example) Conect Pin 1 E0.0 Conect Pin 2 E0.1 . . . Conect Pin 16 E1.7 Urggent Code on EW 0 is Gray-Code ! (Not Binary-Code, you must convert the Input-Word)
	Karl
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2/7/2009 12:12 PM	Rate (0)
hefeng_05 Posts: 60 Rating: (2)	Hi karl thank you for answer the question. i have another question .what is the means of the pin 19 (code sensor ) regards! eric.tang
hefeng_05 Posts: 60 Rating: (2)
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2/8/2009 8:43 AM	Rate (2)
hefeng_05 Posts: 60 Rating: (2)	Dear ALL the follow is the function of gray to dec FUNCTION_BLOCK "gray_dec" TITLE = VERSION : 0.1 //***********instruction ,first put the "gray_dec" FB XXX in symbol table //***********second compile the stl scource VAR_INPUT gray_in : WORD ; END_VAR VAR_OUTPUT dec_out : WORD ; END_VAR BEGIN NETWORK TITLE = L P##gray_in; LAR1 ; L P##dec_out; LAR2 ; A [AR1,P#0.7]; = [AR2,P#0.7]; X [AR1,P#0.6]; X [AR2,P#0.7]; = [AR2,P#0.6]; X [AR1,P#0.5]; X [AR2,P#0.6]; = [AR2,P#0.5]; X [AR1,P#0.4]; X [AR2,P#0.5]; = [AR2,P#0.4]; X [AR1,P#0.3]; X [AR2,P#0.4]; = [AR2,P#0.3]; X [AR1,P#0.2]; X [AR2,P#0.3]; = [AR2,P#0.2]; X [AR1,P#0.1]; X [AR2,P#0.2]; = [AR2,P#0.1]; X [AR1,P#0.0]; X [AR2,P#0.1]; = [AR2,P#0.0]; X [AR1,P#1.7]; X [AR2,P#0.0]; = [AR2,P#1.7]; X [AR1,P#1.6]; X [AR2,P#1.7]; = [AR2,P#1.6]; X [AR1,P#1.5]; X [AR2,P#1.6]; = [AR2,P#1.5]; X [AR1,P#1.4]; X [AR2,P#1.5]; = [AR2,P#1.4]; X [AR1,P#1.3]; X [AR2,P#1.4]; = [AR2,P#1.3]; X [AR1,P#1.2]; X [AR2,P#1.3]; = [AR2,P#1.2]; X [AR1,P#1.1]; X [AR2,P#1.2]; = [AR2,P#1.1]; X [AR1,P#1.0]; X [AR2,P#1.1]; = [AR2,P#1.0]; END_FUNCTION_BLOCK
hefeng_05 Posts: 60 Rating: (2)
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This contribution was helpful to 1 thankful Users umencho

2/8/2009 9:12 AM	Rate (0)
Gebhardt Karl Platinum Member Joined: 7/16/2006 Last visit: 1/2/2024 Posts: 1502 Rating: (176)	Hi >i have another question .what is the means of the pin 19 (code sensor ) The Code/Position cout it higher: Pin 19 = 24Volt --> CW --> Clockwise turning Pin 19 = 0Volt --> CCW --> Counter Clockwise is turning You can change the direction whenturning/counting is wrong.
	Karl
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2/8/2009 1:09 PM	Rate (0)
hefeng_05 Posts: 60 Rating: (2)	thank you very much for karl Eric
hefeng_05 Posts: 60 Rating: (2)
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2/9/2009 9:32 AM	Rate (3)
Aret Posts: 2348 Rating: (265)	Code from hefeng_05 is realy nice, but i have following,whichithikisbetter(notoffendinganyone-justsharingexperience). L #gray_in PUSH SRW 8 XOW PUSH SRW 4 XOW PUSH SRW 2 XOW PUSH SRW 1 XOW T #dec_out
Aret Posts: 2348 Rating: (265)
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This contribution was helpful to 1 thankful Users Sagar_Gilankar

2/9/2009 10:28 AM	Rate (0)
hefeng_05 Posts: 60 Rating: (2)	very excellent!!!
hefeng_05 Posts: 60 Rating: (2)
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2/9/2009 10:43 AM	Rate (0)
Aret Posts: 2348 Rating: (265)	I'm glad you've enjoyed it :^)))
Aret Posts: 2348 Rating: (265)
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2/23/2009 7:29 AM	Rate (0)
roops Posts: 1 Rating: (0)	hi
roops Posts: 1 Rating: (0)
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9/2/2010 6:40 AM	Rate (1)
Ingex Advanced Member Joined: 4/17/2008 Last visit: 6/5/2025 Posts: 5 Rating: (1)	If anyone needs a function to convert Gray code. Here's another example with selectable number of bits: FUNCTION FC2 : VOID TITLE = 'GRAY_BIN' // Convierte un número GRAY a Base2 VERSION : '1.0' AUTHOR : Ingex NAME : name FAMILY : family // Parámetros del bloque VAR_INPUT // Parámetros de entrada GRAY : WORD; // GRAY code N : INT; // Number of bits to convert END_VAR VAR_OUTPUT // Parámetros de salida BIN : INT; END_VAR VAR_TEMP // variables temporales var_a : ARRAY[0..15] OF BOOL; word_a AT var_a : WORD; var_b : ARRAY[0..15] OF BOOL; word_b AT var_b : WORD; var_i : INT; END_VAR // Área de instrucciones word_a := GRAY; //enmascaro los bits que no se utilizan word_a := ROL(IN := word_a// IN: INT ,N := 8 // IN: DATE_AND_TIME ); // INT word_a := SHL(IN:=word_a ,N := 16-N ); word_a := SHR(IN:=word_a ,N := 16-N ); word_a := ROL(IN := word_a// IN: INT ,N := 8 // IN: DATE_AND_TIME ); // INT // inicializo el word de salida word_b := 0; //el primer bit es el mismo en Gray var_b[N] := var_a[N]; //calculo los bits restantes FOR var_i := N TO 1 BY -1 DO // Área de instrucciones IF var_b[var_i] = 0 AND var_a[var_i-1] = 0 THEN // Área de instrucciones_IF var_b[var_i-1] := 0; ELSIF var_b[var_i] = 1 AND var_a[var_i-1] = 1 THEN // Área de instrucciones_ELSIF var_b[var_i-1] := 0; ELSIF var_b[var_i] = 0 AND var_a[var_i-1] = 1 THEN // Área de instrucciones_ELSIF var_b[var_i-1] := 1; ELSIF var_b[var_i] = 1 AND var_a[var_i-1] = 0 THEN // Área de instrucciones_ELSIF var_b[var_i-1] := 1; ELSE // Área de instrucciones_ELSE ; END_IF; END_FOR; word_b := ROL(IN := word_b// IN: INT ,N := 8 // IN: DATE_AND_TIME ); // INT BIN := WORD_TO_INT(word_b); END_FUNCTION

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7/22/2013 4:06 PM	Rate (0)
Ziemens Silver Member Joined: 3/2/2007 Last visit: 9/9/2025 Posts: 990 Rating: (5)	hefeng_05 Dear all everyone who know about how to connect the encode to s7 moudle the encode information is in attachment thanks Eric.tang which s7 module did you use to connect this encoder? thank you
	... thank you ...
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9/13/2013 9:33 PM	Rate (0)
DavidBrown Gold Member Joined: 6/29/2012 Last visit: 12/25/2023 Posts: 975 Rating: (9)	My encoder contains 25 bits, so I will use a double word, how do I change the code samples for doubleword variables in spite of word variables?

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