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Search: Posts Made By: Mara
Forum: LIVE PLC Questions And Answers July 16th, 2018, 06:35 AM
Replies: 1
Views: 58
Posted By Mara
Is Phoenix Codesys based plc? If so, then go to...

Is Phoenix Codesys based plc? If so, then go to your project tree, right click and choose new object => POU or something like that. When dialog opens choose pou type function block or function.
Forum: LIVE PLC Questions And Answers June 30th, 2018, 03:02 AM
Replies: 7
Views: 508
Posted By Mara
By "Global variable" i mean variables which are...

By "Global variable" i mean variables which are declared in the global variable list in the project tree as a VAR_GLOBAL. Global variables are recognized throughout the project. "Local variables"...
Forum: LIVE PLC Questions And Answers June 29th, 2018, 10:33 AM
Replies: 6
Views: 286
Posted By Mara
Also I am little bit confused with the interface...

Also I am little bit confused with the interface editor and I am not able to open your sample prog at the moment. However have you already tried to find all references to the structure? Go over the...
Forum: LIVE PLC Questions And Answers June 28th, 2018, 08:38 AM
Replies: 7
Views: 508
Posted By Mara
First of all. Declare your physical outputs...

First of all. Declare your physical outputs always as a global variables. Then, use local variables in your pous and assign them to global vars elsewhere
Forum: LIVE PLC Questions And Answers June 15th, 2018, 04:35 AM
Replies: 47
Views: 2,421
Posted By Mara
Here is couple of interesting links if you decide...

Here is couple of interesting links if you decide to go with codesys & Rpi. RPI with Beckhoff I/O cards:



http://www.instructables.com/id/Programming-Raspberry-Pi-With-CODESYS/

...
Forum: LIVE PLC Questions And Answers May 5th, 2018, 08:24 PM
Replies: 8
Views: 986
Posted By Mara
Also these could be usefull: ...

Also these could be usefull:

http://alltwincat.com

https://www.linkedin.com/groups/1860933
Forum: LIVE PLC Questions And Answers April 9th, 2018, 09:45 AM
Replies: 12
Views: 658
Posted By Mara
Yeah, you are right with this. Sorry

Yeah, you are right with this. Sorry
Forum: LIVE PLC Questions And Answers April 9th, 2018, 01:17 AM
Replies: 12
Views: 658
Posted By Mara
Maybe code should be: IF <button> THEN ...

Maybe code should be:

IF <button> THEN

BIT1:= 1;
BIT2:= 0;

ELSE

BIT1:= 0;
Forum: LIVE PLC Questions And Answers April 2nd, 2018, 03:26 AM
Replies: 17
Views: 1,063
Posted By Mara
Found this from documentation...

Found this from documentation (https://download.beckhoff.com/download/document/io/ethercat-terminals/el34x3en.pdf) (link):

"The default setting
for the measuring interval is 10 periods (10 x 20...
Forum: LIVE PLC Questions And Answers March 31st, 2018, 12:06 PM
Replies: 17
Views: 1,063
Posted By Mara
+1 to this. It,s a power measuring card and you...

+1 to this. It,s a power measuring card and you just have to connect line voltage wires to it (up to 690VAC) and voila! You can measure voltage and frequency. In addition you can also use CT's with...
Forum: LIVE PLC Questions And Answers March 22nd, 2018, 12:12 AM
Replies: 8
Views: 597
Posted By Mara
Could you clarify what is the content of your...

Could you clarify what is the content of your function block?

Propably STRUCTs works better in your case?
Forum: LIVE PLC Questions And Answers March 1st, 2018, 06:15 AM
Replies: 8
Views: 1,207
Posted By Mara
If you already have I/O's in your configuration...

If you already have I/O's in your configuration you have to disable them first. To do that, go to devices on the project tree, right mouse click and choose disable. Then activate your configuration...
Forum: LIVE PLC Questions And Answers February 28th, 2018, 07:01 AM
Replies: 15
Views: 757
Posted By Mara
One method to implement this is to using...

One method to implement this is to using functions:

1:Create new pou and when "add pou" dialog opens choose type: Function, Return type : INT and implementation language: ST. Don't forget to...
Forum: LIVE PLC Questions And Answers February 6th, 2018, 11:51 AM
Replies: 4
Views: 263
Posted By Mara
Or you can do it more simple: RED_Lamp:=...

Or you can do it more simple:

RED_Lamp:= NOT Global_Reset ;

There's no need to use IF instruction at all
Forum: LIVE PLC Questions And Answers February 1st, 2018, 09:47 AM
Replies: 11
Views: 647
Posted By Mara
Not always. For example in cases where you have...

Not always. For example in cases where you have to know position of certain part before other parts can move. Sorry my English but I believe you know what I mean. Of course in most of cases nc is...
Forum: LIVE PLC Questions And Answers January 30th, 2018, 07:54 AM
Replies: 4
Views: 369
Posted By Mara
Not fully sure but this could be solution: ...

Not fully sure but this could be solution:

http://www.arck-sensor.com/products/steel/sirrah/ls08

Also in this case you have feed power to the spreader to power up transmitter
Forum: LIVE PLC Questions And Answers January 19th, 2018, 08:20 AM
Replies: 11
Views: 1,318
Posted By Mara
What is your target device you are trying to...

What is your target device you are trying to connect to?
Forum: LIVE PLC Questions And Answers January 18th, 2018, 10:48 AM
Replies: 11
Views: 1,318
Posted By Mara
Patch is working. Did it in this morning. ...

Patch is working. Did it in this morning.

Try this link to download patch:

https://www.beckhoff.com/forms/twincat3/download-patch.asp

edit: Just noticed that link i gave you is exactly the...
Forum: LIVE PLC Questions And Answers January 11th, 2018, 11:00 AM
Replies: 2
Views: 208
Posted By Mara
Why you cannot use declaration editor? You...

Why you cannot use declaration editor?

You can also declare your variables by doing "Global variable list"
Forum: LIVE PLC Questions And Answers December 14th, 2017, 07:00 AM
Replies: 8
Views: 442
Posted By Mara
Werma https://www.werma.com/en/

Werma

https://www.werma.com/en/
Forum: LIVE PLC Questions And Answers December 6th, 2017, 10:10 AM
Replies: 12
Views: 1,220
Posted By Mara
Don't know about dual voltage motors but pole...

Don't know about dual voltage motors but pole change motors are still very common in crane applications.
Forum: LIVE PLC Questions And Answers November 28th, 2017, 10:47 AM
Replies: 5
Views: 596
Posted By Mara
And you can copy those constants mentioned above...

And you can copy those constants mentioned above from the sample program. I did exactly same mistake when i tried this same sample.

{attribute 'Tc2GvlVarNames'}
VAR_GLOBAL CONSTANT
...
Forum: LIVE PLC Questions And Answers October 31st, 2017, 10:41 AM
Replies: 1
Views: 268
Posted By Mara
I am quite sure that data type cannot be USINT. I...

I am quite sure that data type cannot be USINT. I believe it should be BYTE because of 8 bits?
Forum: LIVE PLC Questions And Answers October 23rd, 2017, 10:31 AM
Replies: 12
Views: 947
Posted By Mara
Stator force is same as rotor force. Root cause...

Stator force is same as rotor force. Root cause to your issue is that you had bypassed low speed. Pole change motors are designed so that they have to be started via low speed.
Forum: LIVE PLC Questions And Answers October 13th, 2017, 10:51 PM
Replies: 5
Views: 544
Posted By Mara
www.dewetron.com They have everything you...

www.dewetron.com

They have everything you need. Probably dewe-43 and some Imi gravity sensors are best solution.
Showing results 1 to 25 of 52

 
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