You are not registered yet. Please click here to register!


 
 
plc storereviewsdownloads
This board is for PLC Related Q&A ONLY. Please DON'T use it for advertising, etc.
 
Try our online PLC Simulator- FREE.  Click here now to try it.

New Here? Please read this important info!!!


Go Back   PLCS.net - Interactive Q & A > Search Forums

Showing results 1 to 25 of 332
Search took 0.03 seconds.
Search: Posts Made By: ojz0r
Forum: LIVE PLC Questions And Answers Today, 06:31 AM
Replies: 7
Views: 236
Posted By ojz0r
Perhaps Codesys could be an alternative?

Perhaps Codesys could be an alternative?
Forum: LIVE PLC Questions And Answers February 16th, 2021, 02:03 AM
Replies: 9
Views: 555
Posted By ojz0r
I would file this in the same folder as Windows...

I would file this in the same folder as Windows updates breaking production machines.


I think the industry needs to move away from Microsoft as a foundation overall. They have clearly showed...
Forum: LIVE PLC Questions And Answers January 15th, 2021, 12:44 AM
Replies: 32
Views: 2,264
Posted By ojz0r
Programmer making the logic diagrams for their...

Programmer making the logic diagrams for their own programming? That sounds redundant in my ears.



At my previous employer we did logic diagrams for our equipment.
This was usually 100's of...
Forum: LIVE PLC Questions And Answers January 12th, 2021, 06:22 AM
Replies: 5
Views: 678
Posted By ojz0r
Use the built in functions (IEC 61131-3): -...

Use the built in functions (IEC 61131-3):
- R_Trig: Rising edge
- F_Trig: Falling edge
Forum: LIVE PLC Questions And Answers January 5th, 2021, 03:26 PM
Replies: 6
Views: 689
Posted By ojz0r
Maybe if you describe your purpose there might be...

Maybe if you describe your purpose there might be another solution?


Do you really need the direct I/O in an array or would a copy suffice with a move instruction?

yourArray[0] :=...
Forum: LIVE PLC Questions And Answers January 4th, 2021, 01:30 PM
Replies: 6
Views: 689
Posted By ojz0r
I dont know about array but if you want to speed...

I dont know about array but if you want to speed it up you can create a global variable list where you write something like this:

VAR
yourVariableName: BOOL AT %IBX.X;
END_VAR

That way you...
Forum: LIVE PLC Questions And Answers December 22nd, 2020, 01:28 AM
Replies: 2
Views: 624
Posted By ojz0r
Static IP for a web server is easier than dynamic...

Static IP for a web server is easier than dynamic if you plan on entering the IP address directly into the browser to access the website.
If you use a dynamic dns service then you dont need static...
Forum: LIVE PLC Questions And Answers December 17th, 2020, 07:14 AM
Replies: 13
Views: 2,027
Posted By ojz0r
Looks legit. VxWorks (or VxNotWorks) is really...

Looks legit.
VxWorks (or VxNotWorks) is really widespread so vulnerabilities like these have great impact.


I checked some of the manufacturers bulletins and for ABB one of the products was...
Forum: LIVE PLC Questions And Answers December 8th, 2020, 01:53 AM
Replies: 26
Views: 2,080
Posted By ojz0r
I've always been amazed at how little motor...

I've always been amazed at how little motor theory/control (3ph squirrel cage) was included in the curriculum of the automation education in my days (2001-2004) compared to how common they are in the...
Forum: LIVE PLC Questions And Answers November 30th, 2020, 08:13 AM
Replies: 8
Views: 873
Posted By ojz0r
Firstly: What system are we talking about? ...

Firstly: What system are we talking about?


Generally In_Out is a variable that you can both read as an input and write as an output.
Example would be if you have a HMI with a push button you...
Forum: LIVE PLC Questions And Answers November 27th, 2020, 11:47 AM
Replies: 26
Views: 2,255
Posted By ojz0r
I'm sorry, my statement was half OT. I would...

I'm sorry, my statement was half OT. I would probaby not use an AD PLC unless a client demanded it, which seems highly unlikely. I merely pointed out a feature gap between TIA and codesys. Great...
Forum: LIVE PLC Questions And Answers November 27th, 2020, 10:12 AM
Replies: 26
Views: 2,255
Posted By ojz0r
The biggest draw back of S7-TIA is that it doesnt...

The biggest draw back of S7-TIA is that it doesnt support CFC, unlike Codesys.
Forum: LIVE PLC Questions And Answers November 24th, 2020, 01:05 PM
Replies: 69
Views: 6,140
Posted By ojz0r
It took me a few minutes but i wouldnt want an...

It took me a few minutes but i wouldnt want an elephant in my pillow :)
Forum: LIVE PLC Questions And Answers November 24th, 2020, 06:49 AM
Replies: 69
Views: 6,140
Posted By ojz0r
God, it took me an hour befor i got that wordplay...

God, it took me an hour befor i got that wordplay :banghead:

It would have been more embarrasing if english was my first language though.
Forum: LIVE PLC Questions And Answers November 24th, 2020, 03:27 AM
Replies: 69
Views: 6,140
Posted By ojz0r
No SOx control?

No SOx control?
Forum: LIVE PLC Questions And Answers November 23rd, 2020, 02:45 AM
Replies: 13
Views: 1,538
Posted By ojz0r
PLC's are alot about backwards compatability, if...

PLC's are alot about backwards compatability, if they want to keep the legacy market the suppliers cant go with parallell computing because old code wont behave the same.
I bet most suppliers use a...
Forum: LIVE PLC Questions And Answers November 11th, 2020, 01:23 AM
Replies: 21
Views: 2,568
Posted By ojz0r
Good one. I think im gonna start calling the...

Good one.
I think im gonna start calling the user login "GodMode".
Forum: LIVE PLC Questions And Answers November 10th, 2020, 02:27 AM
Replies: 15
Views: 1,955
Posted By ojz0r
It really sounds like your procurement department...

It really sounds like your procurement department is just buying of the specs of the OEM, that is never good.
You will get a pig in a poke.



As a client/customer you need a specification for...
Forum: LIVE PLC Questions And Answers October 12th, 2020, 02:20 AM
Replies: 7
Views: 1,311
Posted By ojz0r
At one of my previous employers we had a Siemens...

At one of my previous employers we had a Siemens Industrial PC that was programmed with Step5. I think the reasoning behind it was that it had faster scan times than the S5 PLCs of that time. It also...
Forum: LIVE PLC Questions And Answers October 7th, 2020, 02:26 AM
Replies: 35
Views: 4,881
Posted By ojz0r
Maybe they have an in with Torvalds :lolis: ...

Maybe they have an in with Torvalds :lolis:





PLC's are more security through obscurity. There are alot more PC's in the world which makes them a more common target.
Speculation: Alot of...
Forum: LIVE PLC Questions And Answers September 9th, 2020, 02:27 AM
Replies: 15
Views: 3,179
Posted By ojz0r
AFAIK we don't have any official in my company...

AFAIK we don't have any official in my company but i started using ProjectLibre - a FOSS application with resource management, Gantt chart and compatible with MS Project. It works great for our...
Forum: LIVE PLC Questions And Answers August 19th, 2020, 02:40 AM
Replies: 23
Views: 2,306
Posted By ojz0r
Many routers and firewalls are set to not respond...

Many routers and firewalls are set to not respond to WAN pings, for security reasons. You dont want to make port scans and sweeps to easy for a potential attacker.



According to the allknowing...
Forum: LIVE PLC Questions And Answers July 3rd, 2020, 02:33 AM
Replies: 47
Views: 11,015
Posted By ojz0r
Thank you for the follow up. I always find it...

Thank you for the follow up. I always find it interesting to see what happened, lessons learned and so on.
Forum: LIVE PLC Questions And Answers June 18th, 2020, 01:48 AM
Replies: 12
Views: 2,368
Posted By ojz0r
I am usually an advocate for using open source as...

I am usually an advocate for using open source as much as possible, but for industry i have my doubts.
The main reason we keep buying from the big brands are reliability and support backed by an...
Forum: LIVE PLC Questions And Answers June 9th, 2020, 02:40 AM
Replies: 29
Views: 2,943
Posted By ojz0r
I've been looking into using wireguard on a...

I've been looking into using wireguard on a raspberry pi for remote VPN connection professionally, so far i've only played around with it privately.
The biggest problem is that you need a dedicated...
Showing results 1 to 25 of 332

 
Forum Jump

All times are GMT -5. The time now is 09:16 AM.


.