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.

---------->>>>>Get FREE PLC Programming Tips

New Here? Please read this important info!!!


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

Showing results 1 to 25 of 500
Search took 0.58 seconds.
Search: Posts Made By: JesperMP
Forum: LIVE PLC Questions And Answers July 13th, 2018, 07:23 AM
Replies: 8
Views: 327
Posted By JesperMP
I dont know if this is possible on a panelview,...

I dont know if this is possible on a panelview, but instead of setting the bit momentarily from the panel, only set (latch) the bit from the panel. Then in PLC code, evaluate the bit, and then reset...
Forum: LIVE PLC Questions And Answers July 13th, 2018, 03:48 AM
Replies: 4
Views: 88
Posted By JesperMP
Can you hear the harddisk spin up ? Other...

Can you hear the harddisk spin up ?

Other than that, contact B&R support.
Forum: LIVE PLC Questions And Answers July 13th, 2018, 03:03 AM
Replies: 4
Views: 88
Posted By JesperMP
Your post is a bit cryptic. You installed a new...

Your post is a bit cryptic.
You installed a new harddisk, and now it wont recognize on startup ?
You should contact B&R support.
Forum: LIVE PLC Questions And Answers July 12th, 2018, 04:34 PM
Replies: 3
Views: 287
Posted By JesperMP
So basically branch and supplementary protection...

So basically branch and supplementary protection are short-circuit and overload protection.
Well, in EU you also have to have both short-circuit and overload protection. It can be done with one...
Forum: LIVE PLC Questions And Answers July 12th, 2018, 07:33 AM
Replies: 5
Views: 262
Posted By JesperMP
Here is Siemens advice for forming capacitors on...

Here is Siemens advice for forming capacitors on the newer drives:
https://support.industry.siemens.com/cs/ww/en/view/1960441

I too am interested in knowing if one can tell if the capacitors need...
Forum: LIVE PLC Questions And Answers July 12th, 2018, 03:14 AM
Replies: 3
Views: 287
Posted By JesperMP
Can you describe in words what are the "branch...

Can you describe in words what are the "branch circuit protection" and "supplementary circuit protection" ?
Forum: LIVE PLC Questions And Answers July 2nd, 2018, 10:03 AM
Replies: 35
Views: 1,793
Posted By JesperMP
I dont accept that. On any respectable facility...

I dont accept that.
On any respectable facility there must be a safety responsible person, and there may be safety groups that constantly inspect and review the safety, including the people working...
Forum: LIVE PLC Questions And Answers July 2nd, 2018, 09:33 AM
Replies: 35
Views: 1,793
Posted By JesperMP
Of course the builder has to have try and remove...

Of course the builder has to have try and remove the risk, if that is not possible cover the risk, if that is not possible guard the risk, and if that is not possible instruct and sign about the...
Forum: LIVE PLC Questions And Answers July 2nd, 2018, 08:41 AM
Replies: 64
Views: 4,464
Posted By JesperMP
Either the bonnet/hood is also cracked, or it is...

Either the bonnet/hood is also cracked, or it is a reflection of some wires hanging above.
Forum: LIVE PLC Questions And Answers July 2nd, 2018, 08:22 AM
Replies: 35
Views: 1,793
Posted By JesperMP
Yes, misuse is to be taken into account. But do...

Yes, misuse is to be taken into account. But do you mean that any kind of misuse is to be avoided ?
I know that the misuse part is one that is unclear and assessing it takes some personal judgement....
Forum: LIVE PLC Questions And Answers July 2nd, 2018, 07:44 AM
Replies: 20
Views: 782
Posted By JesperMP
I have a HP Z-book with 1 TB SSD and 32 GB RAM....

I have a HP Z-book with 1 TB SSD and 32 GB RAM. All my software runs in a VM.
I run legacy software in VMs on an external USB3 harddrive. Runs slower than the internal SSD, but is OK for the...
Forum: LIVE PLC Questions And Answers July 2nd, 2018, 05:49 AM
Replies: 64
Views: 4,464
Posted By JesperMP
I am in the automobile business, my company makes...

I am in the automobile business, my company makes machines for the subsuppliers to the actual automobile manufacturers.

The foodchain that goes from parts to subassemblies to finished cars is...
Forum: LIVE PLC Questions And Answers July 2nd, 2018, 03:27 AM
Replies: 35
Views: 1,793
Posted By JesperMP
ASF +1 Some will argue though that...

ASF
+1

Some will argue though that operators will use E-stops as operational stops.
I think that the detection of faults that you describe, and the previous discussion about resetting/testing...
Forum: LIVE PLC Questions And Answers June 29th, 2018, 10:03 AM
Replies: 35
Views: 1,793
Posted By JesperMP
I dont think that generally you can say that a...

I dont think that generally you can say that a certain no of devices will drop down a PL.
Even if you have many devices in series, if these devices are of high quality, i.e. the MTTFd will be very...
Forum: LIVE PLC Questions And Answers June 29th, 2018, 03:31 AM
Replies: 35
Views: 1,793
Posted By JesperMP
With "fault" I mean that the safety relay...

With "fault" I mean that the safety relay indicates there is a hardware error, not just that it is tripped.
And I mean every safety device connected to that safety relay, not all safety devices on a...
Forum: LIVE PLC Questions And Answers June 29th, 2018, 03:19 AM
Replies: 35
Views: 1,793
Posted By JesperMP
Just 1 E-Stop per sadety relay is definetely...

Just 1 E-Stop per sadety relay is definetely safer. And if you assume that the operators will do as you wrote (basically not caring about their own safety) then it may be necessary.
There are ISO...
Forum: LIVE PLC Questions And Answers June 28th, 2018, 10:56 AM
Replies: 35
Views: 1,793
Posted By JesperMP
You can wire E-stops in series. But you have to...

You can wire E-stops in series.
But you have to calculate PFHd (probability of dangerous fault) to get the resulting PL and compare against the required PLr. Adding E-stops in series will increase...
Forum: LIVE PLC Questions And Answers June 27th, 2018, 08:52 AM
Replies: 13
Views: 272
Posted By JesperMP
Without any more information about what modules...

Without any more information about what modules you are referring to, here are some guesses:
Current overload protection - output modules.
Overvoltage protection - any module.
Environmental...
Forum: LIVE PLC Questions And Answers June 22nd, 2018, 08:26 AM
Replies: 27
Views: 575
Posted By JesperMP
I dont know WinCC well enough to know for sure,...

I dont know WinCC well enough to know for sure, but to me it looks as if the connction from WinCC to the s7-400 PLC is via a direct connection in WinCC, without Simatic Net. The OPC DA in the 4th...
Forum: LIVE PLC Questions And Answers June 21st, 2018, 05:37 AM
Replies: 27
Views: 575
Posted By JesperMP
Let me ask in another way. What is Simatic Net...

Let me ask in another way.
What is Simatic Net going to be used for ?

You mention WinCC Explorer. This is the configuration software for WinCC.
If so, maybe you have a WinCC project file, and...
Forum: LIVE PLC Questions And Answers June 21st, 2018, 04:04 AM
Replies: 27
Views: 575
Posted By JesperMP
What is your version of Simatic Net ? What...

What is your version of Simatic Net ?

What do you want to achieve exactly ?
Forum: LIVE PLC Questions And Answers June 15th, 2018, 08:26 AM
Replies: 47
Views: 2,439
Posted By JesperMP
In the EU there is the EC Declaration of...

In the EU there is the EC Declaration of Confomity (to standards). I believe there is a similar requirement over on your side. Becase of that, the Raspberry Pi et al, forget it in an industrial...
Forum: LIVE PLC Questions And Answers June 12th, 2018, 05:13 AM
Replies: 16
Views: 518
Posted By JesperMP
An IEC TON timer only has the one input "IN",...

An IEC TON timer only has the one input "IN", which starts the timer when on and resets the timer when off.
Forum: LIVE PLC Questions And Answers May 31st, 2018, 08:03 AM
Replies: 2
Views: 129
Posted By JesperMP
I just tried to copy an RF108C from Siemens...

I just tried to copy an RF108C from Siemens sample project to a test project in Simatic Manager, and then I compiled it.
Went without a hitch.
You can set the start adress but not the number of...
Forum: LIVE PLC Questions And Answers May 31st, 2018, 07:46 AM
Replies: 9
Views: 333
Posted By JesperMP
You havent shown us your code, but the two-timers...

You havent shown us your code, but the two-timers program for on and off respectively sounds to me to be wrong way to do it.

For the function of detecting rotation/no rotation of the belt pulley,...
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -5. The time now is 02:33 PM.


.