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Search: Posts Made By: Lare
Forum: LIVE PLC Questions And Answers Yesterday, 04:15 PM
Replies: 4
Views: 298
Posted By Lare
Why you try to trigger only one alarm with...

Why you try to trigger only one alarm with different texts from multiple locations.
Isn't it easier to trigger seperate alarms and showing correct txt on these different alarms if there is several...
Forum: LIVE PLC Questions And Answers September 22nd, 2022, 01:59 PM
Replies: 7
Views: 823
Posted By Lare
Is tags updated also on S5s CPU as fast as tags...

Is tags updated also on S5s CPU as fast as tags are readed. I mean is there buffer on MPI adapter for tags and it looks fast on HMI but actually is slower as tags are readed from adapters buffer not...
Forum: LIVE PLC Questions And Answers September 20th, 2022, 02:27 PM
Replies: 1
Views: 400
Posted By Lare
1515R syncing and Run-reduntant takes more cycle...

1515R syncing and Run-reduntant takes more cycle time than running solo CPU. Syncing can take even more time than run-reduntant cycle time.



Is it possible that cycle time on syncing phase is...
Forum: LIVE PLC Questions And Answers September 19th, 2022, 01:08 PM
Replies: 8
Views: 895
Posted By Lare
Have a look to additional oscat basic libraries...

Have a look to additional oscat basic libraries which you can import to codesys platform.


http://www.oscat.de/dlmanager/7-news/69-downloads.html

...
Forum: LIVE PLC Questions And Answers September 11th, 2022, 04:52 PM
Replies: 27
Views: 1,636
Posted By Lare
Modbus don't standardize order of bytes on...

Modbus don't standardize order of bytes on integers and real values. That is why modbus drivers have selection for byte orders.

More likely slave have different byte order on real values than...
Forum: LIVE PLC Questions And Answers September 6th, 2022, 11:52 AM
Replies: 6
Views: 714
Posted By Lare
Dependig of how much variables you have. Isn't it...

Dependig of how much variables you have. Isn't it possible to code awfully lot of moves to FC to copy wanted variables to another db-area. Then comparing these saved and actual DB-values on PLC side?...
Forum: LIVE PLC Questions And Answers September 5th, 2022, 03:37 PM
Replies: 6
Views: 714
Posted By Lare
DB snashot and excel copy / paste? ...

DB snashot and excel copy / paste?
https://support.industry.siemens.com/forum/WW/en/posts/db-data-save/220779
Forum: LIVE PLC Questions And Answers August 31st, 2022, 05:08 PM
Replies: 32
Views: 2,154
Posted By Lare
Is this what you try to code? DB2 is...

Is this what you try to code?


DB2 is original "vaults" data values.



DB3 is copy of DB2 data and used for sorting from smallest to biggest values.
Forum: LIVE PLC Questions And Answers August 31st, 2022, 02:23 PM
Replies: 14
Views: 872
Posted By Lare
I think that you can build FC and inside it...

I think that you can build FC and inside it commands serialize and desrialize with pos offset (2bytes).



Siemens sample for copying with zero offset.
...
Forum: LIVE PLC Questions And Answers August 31st, 2022, 11:53 AM
Replies: 22
Views: 1,805
Posted By Lare
It is hard to say why fuse blow. You should meter...

It is hard to say why fuse blow. You should meter amps wit AC/DC meter from both after socket and how much current goes trought fuse.
Add some 10-20cm cables to fuse, then meter how much current...
Forum: LIVE PLC Questions And Answers August 30th, 2022, 02:07 PM
Replies: 32
Views: 2,154
Posted By Lare
Yeah, but old step7 and indirect needs usually...

Yeah, but old step7 and indirect needs usually lot of :book: and :smas: if not done with SCL.
Forum: LIVE PLC Questions And Answers August 30th, 2022, 01:26 PM
Replies: 32
Views: 2,154
Posted By Lare
And for indirect adressing you need also SLD 3...

And for indirect adressing you need also SLD 3 before indirect addressing (which is ame than multiple by 8).

This is because if you don't make SLD 3 command then indirect addressing is pointing...
Forum: LIVE PLC Questions And Answers August 30th, 2022, 11:27 AM
Replies: 22
Views: 1,805
Posted By Lare
Which auto fuse has three pins and two of them...

Which auto fuse has three pins and two of them are outputs? :confused:
Forum: LIVE PLC Questions And Answers August 29th, 2022, 05:22 PM
Replies: 32
Views: 2,154
Posted By Lare
Damn, it is little bit difficult even without old...

Damn, it is little bit difficult even without old S7-300 CPU.
You have SCL programming option? :doh2:


For 10 different values sorting values 10 times is maybe easier on 300. Longer coding but...
Forum: LIVE PLC Questions And Answers August 29th, 2022, 04:25 PM
Replies: 4
Views: 662
Posted By Lare
Can you limit value to 10..200 on program before...

Can you limit value to 10..200 on program before AO-output?


10V Zener would work put it won't correct original problem before AO output.
Forum: LIVE PLC Questions And Answers August 22nd, 2022, 05:39 PM
Replies: 37
Views: 3,223
Posted By Lare
Control expert ladder behaves differently than...

Control expert ladder behaves differently than FBD-code. I have had problems with trigger contacts on ladder. Trigger output will hold output on even that it should be one scan pulse.



Try...
Forum: LIVE PLC Questions And Answers August 22nd, 2022, 05:32 PM
Replies: 37
Views: 3,223
Posted By Lare
It halts as when it goes to index 13 it jams...

It halts as when it goes to index 13 it jams there for infinite time.
You have NE-instruction before adding.

With value 0 it don't anymore add index on loop and watchdog timer halts PLC.
Forum: LIVE PLC Questions And Answers August 12th, 2022, 02:03 AM
Replies: 6
Views: 888
Posted By Lare
True. Read_var's RECP buffer can be longer...

True.

Read_var's RECP buffer can be longer than readed words from slave.

But if readed words from slave is longer than RECP buffer on master communication don't work at all.
Forum: LIVE PLC Questions And Answers August 11th, 2022, 03:36 PM
Replies: 6
Views: 888
Posted By Lare
3rd paremeter is right. RS-ports have own...

3rd paremeter is right.
RS-ports have own processor, that is why there is own timeout value on card setting. It is called to hardware timeout (485Test1.jpg)
Hardwire timeout is now original query...
Forum: LIVE PLC Questions And Answers August 10th, 2022, 04:52 PM
Replies: 6
Views: 888
Posted By Lare
Welcome to forum. There is several...

Welcome to forum.


There is several possibilities.
You should only send one modbus query at time to serial side.
Now when you have bit directly to EN input and without rising edge detection and...
Forum: LIVE PLC Questions And Answers August 4th, 2022, 04:51 PM
Replies: 6
Views: 991
Posted By Lare
Thinking that four compares or rungs should also...

Thinking that four compares or rungs should also work for setpoint comparing but code isn't so clear.


If encoder setpoint is positive number (setpoint is less than 32768) and encoder value is...
Forum: LIVE PLC Questions And Answers August 4th, 2022, 12:19 PM
Replies: 18
Views: 3,658
Posted By Lare
You can try Mickey's filter after averaging. ...

You can try Mickey's filter after averaging.



http://www.plctalk.net/qanda/showthread.php?t=108849
Forum: LIVE PLC Questions And Answers August 4th, 2022, 10:28 AM
Replies: 8
Views: 732
Posted By Lare
Same behaviour. F8.3...

Same behaviour.








F8.3 F8.2 F8.0 F11.5
Forum: LIVE PLC Questions And Answers July 29th, 2022, 01:26 PM
Replies: 21
Views: 3,716
Posted By Lare
FBC instruction maybe then if it can be used to...

FBC instruction maybe then if it can be used to integer addresses.



https://bryceautomation.com/index.php/2021/08/20/controllogix-file-bit-compare/
Forum: LIVE PLC Questions And Answers July 29th, 2022, 12:23 PM
Replies: 21
Views: 3,716
Posted By Lare
Is there array sum or FAL insruction on PLC5? ...

Is there array sum or FAL insruction on PLC5?


Summing array and comparing to old sum would give one shot bit for full array.
However if two or more variables is changed same time bacause...
Showing results 1 to 25 of 500

 
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