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Search: Posts Made By: kolyur
Forum: LIVE PLC Questions And Answers Yesterday, 03:02 PM
Replies: 5
Views: 194
Posted By kolyur
The relation between torque and axial force on a...

The relation between torque and axial force on a screw is:
Torque = Force x Lead / (2 x PI x gear reduction ratio x %eff)

Efficiency of a ballscrew is usually given as 85-90% (that is,...
Forum: LIVE PLC Questions And Answers July 22nd, 2021, 09:47 AM
Replies: 3
Views: 550
Posted By kolyur
As far as I can tell that is not possible with...

As far as I can tell that is not possible with variables in the Control section.
Forum: LIVE PLC Questions And Answers June 18th, 2021, 05:26 PM
Replies: 3
Views: 593
Posted By kolyur
Go to Options from the Tools menu, then drill...

Go to Options from the Tools menu, then drill down into TwinCAT > PLC Environment > Smart coding. Turn off "Declare unknown variables automatically".
Forum: LIVE PLC Questions And Answers June 18th, 2021, 05:17 PM
Replies: 2
Views: 620
Posted By kolyur
Tag addressing in Beckhoff works more similar to...

Tag addressing in Beckhoff works more similar to RSLogix 5000 than the older SLC/Micro formats you mentioned. When you create variables, it generally isn't necessary to specify an address... the...
Forum: LIVE PLC Questions And Answers May 6th, 2021, 11:59 AM
Replies: 12
Views: 1,434
Posted By kolyur
I'm confused about what you're trying to do here....

I'm confused about what you're trying to do here. You have a data tag called AAL10516 but it appears that you're trying to map a tag with the same name to it? You have the Source set to PLC10 which...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 01:20 PM
Replies: 4
Views: 1,053
Posted By kolyur
Your original code should work. If Variable3...

Your original code should work. If Variable3 isn't turning on, make sure it isn't being overwritten somewhere else. Just to clean it up a bit:
Variable1 := TRUE; //test

IF Variable1 THEN
...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 08:13 AM
Replies: 8
Views: 1,699
Posted By kolyur
I think you will find that trying to run Windows...

I think you will find that trying to run Windows 7 on an 8GB card is just not feasible. I've tried to trim down Windows in the past--including the infamous WinSxS folder--without any luck. I'm...
Forum: LIVE PLC Questions And Answers May 4th, 2021, 05:03 PM
Replies: 8
Views: 1,699
Posted By kolyur
Beckhoff uses SLC CFast cards which is why they...

Beckhoff uses SLC CFast cards which is why they are so much more expensive. The $90 card you are looking at is most certainly MLC which are aimed at the consumer market and don't have near the amount...
Forum: LIVE PLC Questions And Answers April 19th, 2021, 01:32 PM
Replies: 2
Views: 580
Posted By kolyur
Create a program and make an infinite loop inside...

Create a program and make an infinite loop inside it, using while(true){} or something similar. In the program's Properties tab, change the Execution Task from Same as Caller to Background 1. Then,...
Forum: LIVE PLC Questions And Answers April 6th, 2021, 01:58 PM
Replies: 5
Views: 1,003
Posted By kolyur
That is correct. The module contains eight relays...

That is correct. The module contains eight relays that are completely isolated from one another. So, you can mix and match different potentials across all eight channels.
Forum: LIVE PLC Questions And Answers March 10th, 2021, 08:32 AM
Replies: 27
Views: 2,270
Posted By kolyur
I haven't been following this thread for awhile...

I haven't been following this thread for awhile but I can confirm that drbitboy is correct... variables defined within a Crimson program are retained only for one execution of the program. There are...
Forum: LIVE PLC Questions And Answers March 2nd, 2021, 04:30 PM
Replies: 10
Views: 2,175
Posted By kolyur
With components that have been waterlogged I'd...

With components that have been waterlogged I'd suggest rinsing the guts thoroughly with 99% isopropyl alcohol and drying before applying power. The alcohol will displace any remaining water and the...
Forum: LIVE PLC Questions And Answers February 20th, 2021, 08:58 AM
Replies: 6
Views: 1,144
Posted By kolyur
I'm guessing the OP has one of the paid versions...

I'm guessing the OP has one of the paid versions of RSLinx. When going through a FactoryTalk activation I recall that there used to be a popup menu or something that would let you select the binding...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 08:40 AM
Replies: 19
Views: 1,604
Posted By kolyur
Try this instead: F2 := F1 / 360000.0

Try this instead:
F2 := F1 / 360000.0
Forum: LIVE PLC Questions And Answers February 17th, 2021, 10:48 AM
Replies: 27
Views: 2,270
Posted By kolyur
Iím a bit confused as to your outputs. You have...

Iím a bit confused as to your outputs. You have four programs like PumpsK1_S4.Water_OnK1(). What are these programs doing?
Forum: LIVE PLC Questions And Answers February 17th, 2021, 08:42 AM
Replies: 27
Views: 2,270
Posted By kolyur
So, if I understand correctly, once one of the...

So, if I understand correctly, once one of the 'if' statements becomes true, it should only execute once until the logic goes from false to true again? If this is the case you might be better served...
Forum: LIVE PLC Questions And Answers February 16th, 2021, 06:10 PM
Replies: 27
Views: 2,270
Posted By kolyur
You didn't mention where you're calling this...

You didn't mention where you're calling this program from--I'm guessing something cyclical like "On Tick." It generally isn't necessary to include a "return" command, unless your program is set up to...
Forum: LIVE PLC Questions And Answers February 4th, 2021, 09:44 AM
Replies: 19
Views: 1,604
Posted By kolyur
Not necessarily. You could create a Program that...

Not necessarily. You could create a Program that returns the label text, and put a reference to that in the display field properties, i.e. "=MakeLabelText()". If you were intent on not having to...
Forum: LIVE PLC Questions And Answers February 4th, 2021, 08:41 AM
Replies: 19
Views: 1,604
Posted By kolyur
A tag's label text can be accessed by putting...

A tag's label text can be accessed by putting ".label" after the tag name. So, to accomplish what you want I think you'd have to create a string tag to hold the selected label text. In my example:...
Forum: LIVE PLC Questions And Answers January 20th, 2021, 08:54 AM
Replies: 6
Views: 915
Posted By kolyur
I suspect the problem is that you need to...

I suspect the problem is that you need to terminate the inner loop once the first acceptable value is found. Otherwise, the loop will continue running to the very end of the array as you have seen....
Forum: LIVE PLC Questions And Answers January 4th, 2021, 08:56 AM
Replies: 4
Views: 1,021
Posted By kolyur
For variables that will be linked to physical...

For variables that will be linked to physical I/O, Beckhoff recommends that you use automatic addressing in your variable declarations:

temp0 AT %I*: INT;
temp1 AT %I*: INT;

The asterisk...
Forum: LIVE PLC Questions And Answers December 30th, 2020, 04:40 PM
Replies: 3
Views: 935
Posted By kolyur
There are probably several ways to do this in...

There are probably several ways to do this in TwinCAT. I haven't worked with with unions as mentioned by kamenges, but it appears to be supported:...
Forum: LIVE PLC Questions And Answers December 30th, 2020, 10:47 AM
Replies: 2
Views: 722
Posted By kolyur
We had a similar issue but are using the EtherCAT...

We had a similar issue but are using the EtherCAT version of the Balluff IO-Link master. The question was, how do you ensure that all of the proper parameters are loaded into the slave devices in the...
Forum: LIVE PLC Questions And Answers December 15th, 2020, 11:53 AM
Replies: 10
Views: 1,283
Posted By kolyur
If you have a meter that reads frequency, then...

If you have a meter that reads frequency, then you should be able to get a Hz measurement. But if the JCS bit comes on, I think you should have an output.

On the 1400, do you have 24v on VDC2 and...
Forum: LIVE PLC Questions And Answers December 15th, 2020, 08:33 AM
Replies: 10
Views: 1,283
Posted By kolyur
When you enable the JC bit, does the JCS bit come...

When you enable the JC bit, does the JCS bit come on in the function file? That would indicate that pulses are being generated at the output.

I do recall that I had issues with the jog function in...
Showing results 1 to 25 of 500

 
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