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status word seperation

Created by: AnsuAbinesh at: 1/23/2011 11:26 AM (7 Replies)

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1/23/2011 11:26 AM	Rate (0)
AnsuAbinesh Bronze Member Joined: 12/14/2010 Last visit: 1/12/2025 Posts: 117 Rating: (0)	Dear Experts, Here i have worked with s7-400 system.I created one function block(fb90).this fb i going to be used instance. inthat fb in declaration table,iam configured below like that IN:INREF DATA TYPE :INT this integer data having a status word. I want to know how can i seperate this integer data to bit wise.(0..15) Kindly give us solution. Thanks in advance

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1/23/2011 12:49 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	Ganesan_K Here i have worked with s7-400 system.I created one function block(fb90).this fb i going to be used instance. inthat fb in declaration table,iam configured below like that IN:INREF DATA TYPE :INT this integer data having a status word. I want to know how can i seperate this integer data to bit wise.(0..15) Kindly give us solution. what do you need in OB1: [code] L STW CAW T #STW_E CALL FB90,DB90 STATUS:= #STW_E[/code] What do you need inFB90: [code]LAR1 P##STATUS A [AR1,P#0.0] = #FIRST A [AR1,P#0.1] = #2ND //AND SO ON A [AR1,P#1.0] = #8TH A [AR1,P#1.1] = #9TH //AND SO ON[/code] BR
	Last edited by: hdhosseini at: 1/23/2011 1:22 PM Last edited by: hdhosseini at: 1/23/2011 1:20 PM Demo Channel on Youtube
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1/24/2011 8:55 AM	Rate (0)
jacek d Platinum Expert Joined: 9/23/2005 Last visit: 1/14/2026 Posts: 5155 Rating: (772)	And don't forget that you can access STW bits with mnemonics, conditional jumps, set, save and clr.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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4/3/2012 1:18 PM	Rate (0)
AnsuAbinesh Bronze Member Joined: 12/14/2010 Last visit: 1/12/2025 Posts: 117 Rating: (0)	Hi, Here i have used totaly 10words.first word i have used fot bit status.Remaining words for word access.I want to know how to access remaining words using your given instruction. Thanks and regards Ganesan.K

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4/3/2012 10:23 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	Ganesan_K Hi, Here i have used totaly 10words.first word i have used fot bit status.Remaining words for word access.I want to know how to access remaining words using your given instruction. Thanks and regards Ganesan.K Hello, For Word access you can use "Load" and "Transfer" instructions.Provide more detail of your program,we may provide helpful tips. Best regards, Hamid Hosseini
	Demo Channel on Youtube
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4/4/2012 5:26 AM	Rate (0)
AnsuAbinesh Bronze Member Joined: 12/14/2010 Last visit: 1/12/2025 Posts: 117 Rating: (0)	hi, i want to know how to read using pointer?

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4/4/2012 5:38 AM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	Ganesan_K hi, i want to know how to read using pointer? Hello Ganesan_K, This would be a great starting point for pointers in S7: STEP 7 -- Creating S7 programs -- Indirect Addressing Best regards, Hamid Hosseini
	Demo Channel on Youtube
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4/4/2012 7:39 AM	Rate (0)
Aret Posts: 2348 Rating: (265)	Please mention you can read specific bit of STW with special instruction like A ==
Aret Posts: 2348 Rating: (265)
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