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Copy bit from DBxxx to DByyy

Created by: Roby at: 3/26/2015 9:42 AM (38 Replies)

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3/30/2015 10:52 AM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	SHOW ERROR!! Attachment ERROR.jpg (400 Downloads)
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/30/2015 11:15 AM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Hello, if not possible to change the offset, is not important... but if not possible to change the DB, then this FB is not util!!! thank you Roby
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/30/2015 11:28 AM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Hello, what's the different from DBxxx and DIxxx?
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/30/2015 12:05 PM	Rate (1)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	Roby see attachment for FB1 software and show error... with this software, when i call FB1 the cpu goes in stop! It works without a problem now.Check if the changes , are what you want Attachment Copy_bit.zip (408 Downloads)
	Demo Channel on Youtube
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This contribution was helpful to 1 thankful Users William_B

3/30/2015 1:30 PM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Dear hdhosseini, now, is OK! you are very capable now, for to complete the FB1 for solve my problem, is necessary change into OB1 (at call of FB1), the inputs "source_bit" and "destination_bit" with a two variable. in this mode, changing this variables i change the source DB bit and destination DB bit... How can i do for change "P#DBX0.0" and "P#DIX0.0" with two variables? thank you for your precious help.... Best regard Roby
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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This contribution was helpful to 1 thankful Users hdhosseini

3/30/2015 3:08 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	In this case, DB pointer is used to encapsulate DB number and pointer at the same time.It is getting re-usable but don't use it in multi-instance structure.It needs modifications for that. FUNCTION_BLOCK "Copy_BIT" TITLE = VERSION : 0.1 VAR_INPUT Source_bit : POINTER ; Destination_bit : POINTER ; END_VAR VAR_TEMP lar1_temp : DWORD ; lar2_temp : DWORD ; TDDB : INT ; //DEST TSDB : INT ; //SOURCE DIN : INT ; END_VAR BEGIN NETWORK TITLE = /////////////////////////////////////////////// //copy ARs TAR1 ; T #lar1_temp; TAR2 ; T #lar2_temp; /////////////////////////////////////////////// // DB Pointer decompose LAR1 P##Source_bit; //source bit (es.P#DB_NUMBER.DBX0.0) L W [AR1,P#0.0]; T #TSDB; L D [AR1,P#2.0]; LAR1 ; LAR2 P##Destination_bit; //destination bit(es.P#DB_NUMBER.DBX0.0) L W [AR2,P#0.0]; T #TDDB; L D [AR2,P#2.0]; LAR2 ; /////////////////////////////////////////////// OPN DB [#TSDB]; //DB source (es.DB1220) A DBX [AR1,P#0.0]; L DINO; T #DIN; OPN DI [#TDDB]; //this DB is fixed = DIX [AR2,P#0.0]; A DBX [AR1,P#0.1]; = DIX [AR2,P#80.0]; A DBX [AR1,P#0.2]; = DIX [AR2,P#160.0]; A DBX [AR1,P#0.3]; = DIX [AR2,P#240.0]; A DBX [AR1,P#0.4]; = DIX [AR2,P#320.0]; A DBX [AR1,P#0.5]; = DIX [AR2,P#400.0]; A DBX [AR1,P#0.6]; = DIX [AR2,P#480.0]; A DBX [AR1,P#0.7]; = DIX [AR2,P#560.0]; ////////////////////////////////////////////// //back to normal to leave FB OPN DI [#DIN]; L #lar1_temp; LAR1 ; L #lar2_temp; LAR2 ; END_FUNCTION_BLOCK Attachment res.zip (378 Downloads)
	Last edited by: hdhosseini at: 3/30/2015 3:15:23 PM Demo Channel on Youtube
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This contribution was helpful to 1 thankful Users William_B

3/30/2015 3:21 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	No content The text field of the post has no content yet. Attachment Copy_bit_final.zip (404 Downloads)
	Demo Channel on Youtube
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3/30/2015 3:33 PM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Dear hdhosseini, why you have missing the input (into FB) for to select the source DB? I need this input! how can i do? thank you Roby
	Last edited by: Roby at: 3/30/2015 3:41:16 PM Last edited by: Roby at: 3/30/2015 3:51:21 PM Last edited by: Roby at: 3/30/2015 4:08:13 PM Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/30/2015 4:05 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	It is easy.DB pointer contains 6 bytes.2 first byte for DB number and the rest double word for pointer.See how I decomposed the structure: // DB Pointer decompose LAR1 P##Source_bit //source bit (es.P#DB_NUMBER.DBX0.0) L W [AR1,P#0.0] T #TSDB L D [AR1,P#2.0] LAR1 In this manner, you saved using extra 2 bytes to entering source DB from outside.Programming is not only weaving codes for a target , but it should be meaningful and in an optimum/elegant way. Attachment OB1.jpg (396 Downloads)
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3/30/2015 4:21 PM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	I understand but what change in this mode? the input in FB1 are "Pointer"...i can not change this input with variable! now is: DB1220.DBX0.0 OK but i need put "DB1220.DBX0.0" into a variable...this variable (es.#INPUT_1) is connect with input of FB and assumes different values depending on what I write in it! how can i do for change this input? sorry but i don't understand.... Thank you Roby
	Last edited by: Roby at: 3/30/2015 4:28:03 PM Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/30/2015 5:54 PM	Rate (1)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	In OB1: L 1220 // source DB T DB1.DBW 0 L P#DBX 0.0 T DBD 2 L 7040 // Target DB T DB1.DBW 6 L P#DBX 0.0 T DBD 8 CALL "Copy_BIT" , "DB_FB1" Source_bit := Destination_bit:= // CALL "Copy_BIT" , "DB_FB1" // Source_bit :="DB_US_STATION_2".GROUP_1.Unita_INS_US_A // Destination_bit:="DATI x RINTRACCIABILITA".US2A1 NOP 0
	Demo Channel on Youtube
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This contribution was helpful to 1 thankful Users Roby

3/31/2015 8:27 AM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Dear hdhosseini, I do not know well the language awl and even the correct function pointer ... I programmed in awl at the time of the step5, but not at these levels ... I must compliment you on your knowledge.... I still need a change: whit this istructions, L 1420 T DB1.DBW 0 L P#DBX 498.0 T DBD 2 you can easily change the number of DB adding the OFFSET L #DB_NUM L #OFFSET +I T #DB_NUM_OK L #DB_NUM_OK T DB1.DBW 0 L P#DBX 498.0 T DBD 2 is possible adding the offset also the "P#DBX 498.0" instruction? in this mode, with few instructions, I can transfer bits from an unlimited number of db and from any location, using the Loop instruction! IS VERY IMPORTANT USE LOOP INSTRUCTION...otherwise I wasted too much memory to transfer all bits !!! is possible? Thank you Roby
	Last edited by: Roby at: 3/31/2015 8:30:35 AM Last edited by: Roby at: 3/31/2015 8:31:09 AM Last edited by: Roby at: 3/31/2015 8:32:16 AM Last edited by: Roby at: 3/31/2015 11:31:43 AM Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/31/2015 8:44 AM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Another question: we talk about pointer, accumulators and registers general purpose ... but, if I want to view the content online accumulator or the content of the pointer, where can I watch? Thank you Roby
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/31/2015 1:26 PM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	nobody answers me?
	Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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3/31/2015 1:58 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	unknown user is possible adding the offset also the "P#DBX 498.0" instruction? in this mode, with few instructions, I can transfer bits from an unlimited number of db and from any location, using the Loop instruction! IS VERY IMPORTANT USE LOOP INSTRUCTION... Yes, it is possible to automate reading and copying data to target DB by using loops(as shown in the first sample code). You should formulate that. Please start writing your own section of program share for our comments.
	Last edited by: hdhosseini at: 3/31/2015 1:59:37 PM Demo Channel on Youtube
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3/31/2015 2:30 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	Roby Another question: we talk about pointer, accumulators and registers general purpose ... but, if I want to view the content online accumulator or the content of the pointer, where can I watch? Thank you Roby It is possible by putting system in test mode and monitoring PLC registers.It is not possible/advisable to do it in running machine.(see attached file and refer to online manual for more help) Attachment PLC_REG.jpg (342 Downloads)
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3/31/2015 2:57 PM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Yes, it is possible to automate reading and copying data to target DB by using loops(as shown in the first sample code). where? now, in ob1 i wrote: L 1220 T DB1.DBW 0 L P#DBX 0.0---------->how i can do change this number whit a temp variable? T DBD 2 L 7040 T DB1.DBW 6 L P#DBX 0.0---------->and this? T DBD 8 CALL "Copy_BIT" , "DB_FB1" Source_bit := Destination_bit:= sorry but i don't understand! are this instructions?: +AR1 P#2.0 // case specific +AR2 P#0.1 L #lp LOOP lp and: are into fb1? for source the offset is 498 for destination the offset is 640
	Last edited by: Roby at: 3/31/2015 2:58:59 PM Last edited by: Roby at: 3/31/2015 3:01:15 PM Last edited by: Roby at: 4/1/2015 8:00:30 AM Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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4/1/2015 9:15 AM	Rate (0)
Roby Silver Member Joined: 4/10/2006 Last visit: 9/8/2025 Posts: 963 Rating: (2)	Hello! i tryed to do in this mode (for to change adress of source) but no function correctly... L #lp L 0 ==I SPBN m01 L 1220 T DB1.DBW 0 L P#DBX 0.0 T DBD 2 m01: L #lp L 1 ==I SPBN m02 L 1220 T DB1.DBW 0 L P#DBX 498.0 T DBD 2 m02: L #lp L 2 ==I SPBN m03 L 1220 T DB1.DBW 0 L P#DBX 996.0 T DBD 2 m03: NOP 0 L 7040 T DB1.DBW 6 L P#DBX 0.0 T DBD 8 CALL "Copy_BIT" , "DB_FB1" Source_bit := Destination_bit:= L #lp L 1 +I T #lp L #lp L 3 >=I SPB m99 SPA end m99: L 0 T #lp end: NOP 0 i don't understand why! if i set the value of #lp at 0,1 or 2 function correctly! Repeat: for solve in definitive mode this problem, i need of change the P#DBX0.0 with a another value, using a loop... L 1220 -------> for this, none problem T DB1.DBW 0 L P#DBX 0.0----->how can i do for change this value with a loop? now, dbx0.0...at second time, dbx498.0...at third time, dbx996.0 and so on! T DBD 2 if we can still do this, we made a fb that directs the single bits from one db to another changing only source and destination db THANK YOU ROBY
	Last edited by: Roby at: 4/1/2015 9:16:31 AM Setting of my PG M6 Siemens OS: Windows 10 Enterprise 22H2; Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz 2.59 GHz - 32G of RAM TIA15.1 Update 8; TIA17 Update 7; TIA18 Update 5 (i use normally)
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10/4/2016 9:52 PM	Rate (0)
Akin_st Posts: 1 Rating: (0)	Hello Roby, Did you solve that problem ?
Akin_st Posts: 1 Rating: (0)
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