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S5 TO S7 CONVERTION

Created by: Gogo93 at: 8/21/2018 11:36 PM (1 Replies)

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8/21/2018 11:36 PM	Rate (0)
Gogo93 Posts: 1 Rating: (0)	Hello Everyone, I tried to convert a S5 PLC program to an S7 program, and after converting it, there was a list of errors. I solved almost everything except for one error : DO FW 254 : A conversion to S7 is not possible I tried to search about it, but i was enable to solve it. The error appears on 3 different Networks on the program. It would be very good if any of you could help me. Network 1: C DB 19 L DW 42 T FW 182 L DW 43 T FW 184 L C 2 L DR 41 >=F ON F 100.3 O A F 190.5 A F 52.0 R C 2 A F 52.3 CU C 2 JC =M001 AN F 40.7 JC =M002 L KH 0000 T FW 184 L DW 40 L DW 41 !=F JC =M001 L DW 40 T DW 41 L DR 41 T FY 249 M001: L KH 0000 T FW 182 AN C 2 = F 184.1 L C 2 I 1 L DR 41 >=F = F 184.2 L C 2 L KF +2 >=F = F 184.3 L DL 41 I 100 T FW 254 DO FW 254 C DB 0 L C 2 I 40 T FW 254 DO FW 254 L DW 0 T FW 250 L FY 251 L KB 0 !=F = F 182.0 L FY 251 L KB 1 !=F = F 182.1 L FY 251 L KB 2 !=F = F 182.2 A F 0.0 = F 182.3 L FY 250 L KB 1 !=F = F 183.0 L FY 250 L KB 2 !=F = F 183.1 L FY 250 L KB 3 !=F = F 183.2 L FY 250 L KB 4 !=F = F 183.3 M002: C DB 19 A F 190.5 S F 184.2 = F 185.7 L FW 182 T DW 42 L FW 184 T DW 43 L DL 41 I 100 T FW 254 DO FW 254 C DB 0 JU PB 100 DO FW 254 JU PB 0 * Network 2: C DB 19 A F 190.7 JC =M001 L DW 41 T DW 44 L DW 42 T DW 45 L DW 43 T DW 46 M001: L DW 45 T FW 182 L DW 46 T FW 184 L DL 44 I 100 T FW 254 DO FW 254 C DB 0 * Network 3: C DB 19 A F 190.6 JC =M001 L DW 44 T DW 47 L DW 45 T DW 48 L DW 46 T DW 49 M001: L DW 48 T FW 182 L DW 49 T FW 184 L DL 47 I 100 T FW 254 DO FW 254 C DB 0 *** Regards.
Gogo93 Posts: 1 Rating: (0)
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8/22/2018 3:08 AM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/25/2026 Posts: 12482 Rating: (2722)	Hello Gogo; Sorry I can't help you more with the code you have posted, I do not understand the context that they are trying to use. But I can point you to a very good explanation of S5 indexed (indirect) addressing, from a member (Donald Pittengrid) of another forum I participate in: https://control.com/thread/1026178879 You cannot translate the indexed addressing instruction to S7, which uses pointers for indirect addressing. In the following thread you will find a sample Simatic Manager program for Step 7 indirect addressing (from our friend Denilson Pegaia) that you can study to implement the same logic as you have in your S5 code: https://support.industry.siemens.com/tf/ww/en/posts/tip-indirect-addressing-sample-program/119766?page=0&pageSize=10 Hope this helps, Daniel Chartier
	Last edited by: dchartier at: 8/22/2018 3:08:53 AM
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S5 TO S7 CONVERTION

Created by: Gogo93 at: 8/21/2018 11:36 PM (1 Replies)

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Last edited by: dchartier at: 8/22/2018 3:08:53 AM

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