Skip to Content

Register Login

Industry Online Support

Technical Forum

Navigation

how to replace "TNB" in S5 by "SFC20" in S7

Created by: Hero_pro at: 3/14/2013 10:30 AM (5 Replies)

Rating (0)

Thanks 0

6 Entries

3/14/2013 10:30 AM	Rate (0)
Hero_pro Experienced Member Joined: 12/12/2011 Last visit: 11/7/2024 Posts: 69 Rating: (1)	This is code in S5: Name :MOD:ZYKL (c) SIEMENS AG 06/95 Decl :A-DB I/Q/D/B/T/C: B :DO =A-DB Working-DB Modbus :L DW 0 Helpbits in MW240 :T FW 240 # :A F 241.5 When Start-Fault, then :BEC # BLOCK-END :R F 240.1 PAA write reset :* Segment 2 Startaddress DW0 :L DW 12 Startaddress DW0 :L DL 22 # = Startaddress DB-Addressl. :SLW 1 # + (DB-N x 2) :+F # # :LIR 0 # :T FW 246 # ==> Startaddress DW0 :T DW 4 # ==> Emergency Stop :* Segment 3 PAE read :L FW 246 Endaddress = Startaddress DW0 :L KF +147 # + (last DW-Nr.x 2 + 1) :+F # ==> Endaddress Inputdata :L DW 8 Endaddress CP421 PAE (Source) :TAK first Source, then load dest. :TNB 8 :L DW 70 Controlword from CP in MW242 :T FW 242 # :A F 242.5 When CP in Start-Up ? :BEC # then BLOCKEND :* Code is converted to S7 (auto) NW1 L DBW 0 // Helpbits in MW240 T MW 240 // # A M 241.5 // When Start-Fault, then BEC // # BLOCK-END R M 240.1 // PAA write reset NW2 L DBW 24 // Startaddress DW0 L DBB 44 // # = Startaddress DB-Addressl. SLW 1 // # + (DB-N x 2) +I // # # // LIR 0; // # // * Error in Line 4297 (FB 221): Command not defined. * T MW 246 // # ==> Startaddress DW0 T DBW 8 // # ==> Emergency Stop NW3 L MW 246 // Endaddress = Startaddress DW0 L 147 // # + (last DW-Nr.x 2 + 1) +I // # ==> Endaddress Inputdata L DBW 16 // Endaddress CP421 PAE (Source) TAK // first Source, then load dest. //CALL SFC 20 ( // SRCBLK := P#????? BYTE 8, // RET_VAL := conv_ret_val, // DSTBLK := P#????? BYTE 8 // ); // * Error in Line 4312 (FB 221): CALL SFC20 generated. Please complete parameter list. * L DBW 140 // Controlword from CP in MW242 T MW 242 // # A M 242.5 // When CP in Start-Up ? BEC // # then BLOCKEND ....................................... pleae help me how to replace "TNB" in S5 by "SFC20" in S7 NW3. i'm so urgent with this, Much appriciated your support!**
	Last edited by: O_Moderator at: 3/15/2013 9:41 AM new subject after splitting from /tf/WW/en/Posts/80053#top
Suggestion To thank Quote Answer

3/15/2013 10:57 AM	Rate (0)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 10/26/2024 Posts: 6852 Rating: (1365)	Hello, This function (SFC20) is used to copy memory area from source (SRCBLK) to the destination area (DSTBLK). Check your original S5 program to see what is the nature of this memory transfer.In the example provided MB0 to MB8 are transferred to MB100 to MB108. [code] CALL "BLKMOV" SRCBLK :=P#M 0.0 BYTE 8 RET_VAL:=#ret DSTBLK :=P#M 100.0 BYTE 8[/code] See the attachment for more information. Note:If you are trying to find equivalents for standard blocks or blocks for communication modules, Inform to tell you about possibilities and solutions in S7. Best regards Hamid Hosseini Attachment Printing _Copying Variables with SFC 20 _BLKMOV_.pdf (921 Downloads)
	Last edited by: hdhosseini at: 3/15/2013 11:02 AM Demo Channel on Youtube
Suggestion To thank Quote Answer

3/16/2013 4:49 AM	Rate (0)
Hero_pro Experienced Member Joined: 12/12/2011 Last visit: 11/7/2024 Posts: 69 Rating: (1)	Thank for your help very much! so i am not sure about "the value" need fix in this case in the project? //CALL SFC 20 ( // SRCBLK := P#????? BYTE 8, // RET_VAL := conv_ret_val, // DSTBLK := P#????? BYTE Please show me about digit need fix to ???? Thank Agian!

Suggestion To thank Quote Answer

4/1/2013 9:35 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	Thanhcong9 //CALL SFC 20 ( // SRCBLK := P#????? BYTE 8, // RET_VAL := conv_ret_val, // DSTBLK := P#????? BYTE Please show me about digit need fix to ???? Do you mean which values have to be fill in on the questionmarks? P#DBxyz.DBXX.y BYTE 8 for example, so the datablock and the startaddress in bits! the number of bytes is always in bytes (not in WORD or something else).
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
Suggestion To thank Quote Answer

9/14/2015 6:03 AM	Rate (0)
MCRUZAV Member Joined: 5/12/2009 Last visit: 10/25/2021 Posts: 4 Rating: (0)	Would you post the solution of your example.... TNB TO SFC20 Thanks in advance

Suggestion To thank Quote Answer

6/6/2021 2:48 PM	Rate (0)
Hazem MH Regular Member Joined: 4/16/2021 Last visit: 2/23/2022 Posts: 33 Rating: (0)	In S5, there is calling of the specfic absolute memory (the value indicated in the program) In S7, there is the indirect adress (the value becomes the adress) of the DW for example PS: Be careful when you define your data type.

Suggestion To thank Quote Answer

|

Share this page:

Share this page on...

Follow us on