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Ecostruxure Operator Terminal Expert 3.2 How to access one bit of a Symbol linked memory word (i.e %MW10) to use for a switch variable?

Industry Automation and Control Forum

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Steve_P
Crewman
Crewman
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4
1550

Ecostruxure Operator Terminal Expert 3.2 How to access one bit of a Symbol linked memory word (i.e %MW10) to use for a switch variable?

Hi all, 

 

I know there is probably a simple solution, but I have searched everywhere for it and can't find the answer.

I have an existing M221 PLC running a STP,  which has a failing HMI that is in need of replacement (operator accident, damaged the screen) We have decided to replace it with a HMIST6500 screen and I'm in the process of changing over the code from the old Vijeo designer to the new EOTE code.

 

I have successfully set up the symbol link and have a list of all the tags with names etc - all good. However I have discovered that the M221 code has been written with a large proportion of the bool variables (eg, start, stop, manual, auto, forward, reverse etc) stored in words, with the idea that each word relates to a particular motor or pump.

 

However I have not been able to find out how to access these individual bits within the EOTE software, so far I have tried:

STPM221.Memory_Words.MW_10..3.Value

STPM221.Memory_Words.MW_10:3.Value

%MW10:X3

%MW10.3

 

All which do not work. I'm thinking that I will need to use a converter to isolate the required bit? Can someone please point me into the correct direction.

 

Also there were some rumours on one of the forums I was reading where it said that there is a Vigeo -> EOTE convertor in the pipeline - any news on this?

 

 

 

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Accepted Solutions
Bastian_Schmitz
Commander Commander
Commander
0 Likes
1
1522

Re: Ecostruxure Operator Terminal Expert 3.2 How to access one bit of a Symbol linked memory word (i.e %MW10) to use for a switch variable?

Hello,

The acces to a bit of a word is possible via Modbus FC Holding Registers through the Syntax

word.X0 = Bit0 of Word

...

word.X15 = Bit15 of Word

 

best regards

See Answer In Context

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4 Replies 4
Bastian_Schmitz
Commander Commander
Commander
0 Likes
1
1523

Re: Ecostruxure Operator Terminal Expert 3.2 How to access one bit of a Symbol linked memory word (i.e %MW10) to use for a switch variable?

Hello,

The acces to a bit of a word is possible via Modbus FC Holding Registers through the Syntax

word.X0 = Bit0 of Word

...

word.X15 = Bit15 of Word

 

best regards

Tags (1)
ismailozinan
Lt. Commander Lt. Commander
Lt. Commander
0 Likes
1
1516

HelloRe: Ecostruxure Operator Terminal Expert 3.2 How to access one bit of a Symbol linked memory word (i.e %MW10) to use for a switch variable?

Hello,

You can find sample programme and video for %MW10:X1 at link.

this is Bit Toggle control via EOTE.

Best Regards,

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Steve_P
Crewman
Crewman
0 Likes
0
1509

Re: Ecostruxure Operator Terminal Expert 3.2 How to access one bit of a Symbol linked memory word (i.e %MW10) to use for a switch variable?

Thanks for your reply,

 

Yes, this will work, I knew there would be a simple approach. Just needed the right minds in the same room, Haha

 

Cheers

Tags (1)
Steve_P
Crewman
Crewman
0
1505

Re: HelloRe: Ecostruxure Operator Terminal Expert 3.2 How to access one bit of a Symbol linked memory word (i.e %MW10) to use for a switch variable?

Hi Ismailozinan,

 

Thanks for the reply, especially the effort you have put into the video. 

 

Appreciate your help

 

Both answers work well, just a matter of figuring out which suits my application best.

 

Great to get fast response from the Schneider Team. Cheers.

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