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S5 -> S7 LIR & RS command

Created by: AutoGen_826932 at: 4/27/2016 10:15 AM (1 Replies)

4/27/2016 10:15 AM	Rate (0)
AutoGen_826932 Member Joined: 4/28/2015 Last visit: 10/4/2024 Posts: 6 Rating: (0)	Hallo. I have a problem with converting one of the blocks to S7. Code is short but very hard for me. Could you help me with the instructions RS (or BS) & LIR? SIMATIC S5 135U, CPU 921 FB 254 :LW =DBNR :L KB 254 :>F M001 := =FEH :BEC :L RS 34 :LW =DBNR :SLW 1 :+F :T FW 250 :LIR 1 :T FY 248 :L FW 250 :L KB 1 :+F :LIR 1 :T FY 249 :L FW 248 :L KF +0 :!=F :JC =M001 :A F 248.7 :JC =M002 :LW =DBNR :JU OB255 M002 :BE
	Last edited by: AutoGen_826932 at: 4/27/2016 10:16:47 AM
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4/27/2016 12:28 PM	Rate (0)
Navnag Platinum Expert Joined: 11/21/2007 Last visit: 9/25/2024 Posts: 2325 Rating: (308)	Hello Pl see the replies to similar question in the following threads : Need help on S5 Instruction Need Support for Convertion S5 - S7 Additionally pl note : OB 255 -Transmit data block from the user program memory into the data block RAM The FB is copying selected DBs from EPROM to DB RAM. I don't think you will need this code in S7. You can discard this Block and its calls. Hope this helps Cheers Navnag
	Last edited by: Navnag at: 4/27/2016 12:32:38 PM There is no such thing as the last bug in a program There are no stubborn bugs, There are only stubborn Debuggers.
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