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conversion help needed

Created by: balba at: 10/28/2009 1:39 PM (2 Replies)

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10/28/2009 1:39 PM	Rate (0)
balba Posts: 6 Rating: (0)	Hi to everybody JI need a little help…First time doing something with s5 and also with conversion and have some problems..Finally I use to get an s7 code from s5, but I still have a lot of errors to repair..One of them is:Part of FB code in s5: _______________________ JU FB 242 NAME: MUL:16 Z1 : FW 0 Z2 : FW 2 Z3=0: F 2.0 Z32 : FW 2 Z31 : FW 0 ________________________ And complete FB 242: NAME: MUL:16 DECL: Z1 IW DECL: Z2 IW DECL: Z3=0 QBI DECL: Z32 QW DECL: Z31 QW ASM KH 0000 BE ________________________ On conversion there is an error: invalid release (Product No.) I really don’t see where is the problem… Can somebody please convert this to s7? Thank you a lot!!!
balba Posts: 6 Rating: (0)
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10/28/2009 1:46 PM	Rate (1)
sps-concept Gold Member Joined: 4/5/2006 Last visit: 8/13/2023 Posts: 642 Rating: (131)	hello, this is a integrated standard block for 16 bit multipilikation. Z1 : multiplicator Z2 : multiplicator Z3=0: product = 0 Z32 : product - high word Z31 : product - low word Regards André Räppel --------------------------------------------------------------------------------- www.raeppel.de work faster withinnovative PLC-Tools

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10/29/2009 6:08 AM	Rate (2)
Titas Posts: 94 Rating: (15)	Hi blaba, Basically in the lower end Step-5 PLC like s5 100U, 95U or some CPU of S5 115U doesn't have any mulplication instruction. But in step-7 it is easy. 1. JU FB 242 NAME: MUL:16 Z1 : FW 0 Z2 : FW 2 Z3=0: F 2.0 Z32 : FW 2 Z31 : FW 0 Equivalent step-7 programme will be like this :- L MW 0 L MW 2 * I T MW 0 Or if you want in real data formatthen L MW 0 L MW 2 * I ITD DTR T MD 0 Titas
Titas Posts: 94 Rating: (15)
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