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vince_02brad@yahoo.co.uk
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Join Date: Jan 2007
Location: KL, Malaysia
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Shift and Rotate Functions in PLCs

11/26/2008 1:19 AM

What is the application for the shift and rotate function in PLC? I always do not know where can i apply on it? Any suggestion?
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JohnDG
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#1

Re: Shift and rotate function in PLC

11/26/2008 2:57 AM

Handy for converting 00001, 00010, 00100 etc. to 1,2,3 etc.

Why didn't you reply on your previous thread?

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babybear
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#2

Re: Shift and Rotate Functions in PLCs

11/27/2008 1:11 AM

Hello vince_02brad@yahoo.co.uk:

It seems you are a newbie to CR4. Welcome and good luck. I hope you find this site of use.

http://www.toolingu.com/class-450370-shift-registers.html

Take care......................

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andrew_ward
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#3

Re: Shift and Rotate Functions in PLCs

11/27/2008 8:08 AM

One application I have used shift for was when filling a series of tanks, one at a time in a predefined order. I used a bit to keep track of the active tank. When the time was up for filling that tank I shifted the bit which activated the next tank.

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billg
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#4

Re: Shift and Rotate Functions in PLCs

12/01/2008 8:49 AM

I often use these instructions for programming packaging and inspection machines. As a part is indexed down a line, it's position is tracked, and pass/fail status is set at inspection positions.
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