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Search: Posts Made By: JesperMP
Forum: LIVE PLC Questions And Answers May 29th, 2020, 09:34 AM
Replies: 19
Views: 994
Posted By JesperMP
Is the "EMT conduit" some kind of shielding ? ...

Is the "EMT conduit" some kind of shielding ?

The 100 feet could be borderline for what would require an output filter on the VFD.
But since this affects only some analog signals, I dont suspect...
Forum: LIVE PLC Questions And Answers May 29th, 2020, 07:13 AM
Replies: 19
Views: 994
Posted By JesperMP
A couple of things to check. The shield in...

A couple of things to check.

The shield in the cables for the analog signals must only be connected in one end to avoid ground loops.

How long are the blower motor cables ?
If very long, it...
Forum: LIVE PLC Questions And Answers May 29th, 2020, 04:23 AM
Replies: 11
Views: 659
Posted By JesperMP
I thought it would be a problem since the...

I thought it would be a problem since the softlogix VM then depends on that the host hands over priority to the VM.
How fast can the softlogix controller update its IO, and is it deterministic ?...
Forum: LIVE PLC Questions And Answers May 29th, 2020, 04:07 AM
Replies: 8
Views: 354
Posted By JesperMP
It is correct the the Unified Panels will replace...

It is correct the the Unified Panels will replace the Comfort Panels, and that the reason is the discontinuation of Windows CE.
The Unified Panels runs on a Linux distribution.

However, Siemens...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 12:15 PM
Replies: 102
Views: 30,216
Posted By JesperMP
winac was the previous generation soft plc. it...

winac was the previous generation soft plc. it runs under windows with socalled 'runtime extensions' which ensure that the plc runs even if it has a bluescreen.
the current siemens soft plc is the...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 12:05 PM
Replies: 102
Views: 30,216
Posted By JesperMP
the hypervisor coordinates the cpu usage. 1 core...

the hypervisor coordinates the cpu usage. 1 core is dedicted to the linux with 1505s open controller 'plc'. the remaining cores are ssigned to windows.

linux with the 1505s open controller...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 09:24 AM
Replies: 14
Views: 261
Posted By JesperMP
For an S7-400 the default is 120.

For an S7-400 the default is 120.
Forum: LIVE PLC Questions And Answers May 28th, 2020, 09:11 AM
Replies: 14
Views: 261
Posted By JesperMP
If the CPU or CP supports it, regardless if STEP7...

If the CPU or CP supports it, regardless if STEP7 Classic or TIA, you open the properties of the CPU or CP and there will be tab or folder called "webserver".
You simply enable the webserver and...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 08:24 AM
Replies: 14
Views: 261
Posted By JesperMP
If you go by my suggestion about the error-OBs,...

If you go by my suggestion about the error-OBs, you can expand so that when an error-OB is triggered you extract more detailed information with SFC51.
Here is an example project:...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 08:08 AM
Replies: 14
Views: 261
Posted By JesperMP
Apart from webserver you can (actually should)...

Apart from webserver you can (actually should) program all error OBs so that:
1. When an error-OB is triggered, it activates a corresponding alarm-bit that makes the HMI display and log an alarm....
Forum: LIVE PLC Questions And Answers May 28th, 2020, 07:59 AM
Replies: 14
Views: 261
Posted By JesperMP
If the PLC is not too old, and has an ethernet...

If the PLC is not too old, and has an ethernet port, you can enable the webserver on the CPU.
This allows anyone to go online with a webbrowser and amongst other things access the diagnostics...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 06:29 AM
Replies: 11
Views: 659
Posted By JesperMP
I am not an expert in Softlogix, but I am...

I am not an expert in Softlogix, but I am surprised if it can work in a virtual machine.
Did it ever work before in a virtual machine ?
If it did, did something change ?
Forum: LIVE PLC Questions And Answers May 28th, 2020, 06:12 AM
Replies: 16
Views: 583
Posted By JesperMP
Hmmmm... Is it really solvable ? If the...

Hmmmm...

Is it really solvable ?
If the train moves really fast and less than 2 meters long, so that it passes each cat in a second or less, then the cats will both only move 1 step and the...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 06:06 AM
Replies: 16
Views: 583
Posted By JesperMP
Actually, I must admit that logically it is...

Actually, I must admit that logically it is implied that is the front of the train that reaches the tunnel exit. Otherwise, the 2nd cat would stop walking at the same time that it starts to walk....
Forum: LIVE PLC Questions And Answers May 28th, 2020, 05:42 AM
Replies: 102
Views: 30,216
Posted By JesperMP
I was wondering what Beckhoff would do with the...

I was wondering what Beckhoff would do with the end of Windows CE support. I guess that is the answer.
Siemens does something similar, but changing to a Linux distro instead.
Forum: LIVE PLC Questions And Answers May 28th, 2020, 05:31 AM
Replies: 16
Views: 583
Posted By JesperMP
Does this mean "When the front of the train...

Does this mean "When the front of the train reaches the tunnel exit" or does it mean "When the rear of the train clears the tunnel exit" ?
Forum: LIVE PLC Questions And Answers May 28th, 2020, 03:58 AM
Replies: 102
Views: 30,216
Posted By JesperMP
It is because people are not idiots. People know...

It is because people are not idiots. People know what Beckhoffs products are. Beckhoff does not hide how their packaged PLCs (aka "embedded IPCs") work. They clearly state it in their specs, on the...
Forum: LIVE PLC Questions And Answers May 28th, 2020, 03:40 AM
Replies: 39
Views: 1,389
Posted By JesperMP
+1 Not only are these hard to open, but it...

+1

Not only are these hard to open, but it allows the panel builder to stuff the wire duct 110% because the lid wont pop off.
The type where the lid is easily removable forces the panel builder...
Forum: LIVE PLC Questions And Answers May 27th, 2020, 05:33 AM
Replies: 39
Views: 1,389
Posted By JesperMP
Same here.

Same here.
Forum: LIVE PLC Questions And Answers May 27th, 2020, 03:34 AM
Replies: 48
Views: 2,149
Posted By JesperMP
What is the twist ? I dont see the need to use...

What is the twist ? I dont see the need to use Excel for something like this.
Just normalise your dimensions and then you have a very simple equation of distance over time gives you the velocity.
Forum: LIVE PLC Questions And Answers May 27th, 2020, 03:17 AM
Replies: 102
Views: 30,216
Posted By JesperMP
Richard. 1. Dont resurrect years old...

Richard.

1. Dont resurrect years old threads. If you want to say something that is related to an existing thread years after it was last open, start a new thread and link to the old thread in the...
Forum: LIVE PLC Questions And Answers May 26th, 2020, 12:13 PM
Replies: 7
Views: 215
Posted By JesperMP
Since this happens repeatedly, rather than...

Since this happens repeatedly, rather than intermittently, I think you have a good chance of restoring the panel by the restore to the factory settings method.
I think that the problem is that there...
Forum: LIVE PLC Questions And Answers May 26th, 2020, 12:06 PM
Replies: 7
Views: 215
Posted By JesperMP
Btw, a Siemens repair will probably cost as much...

Btw, a Siemens repair will probably cost as much as a new Comfort panel.
Forum: LIVE PLC Questions And Answers May 26th, 2020, 12:04 PM
Replies: 7
Views: 215
Posted By JesperMP
You could try to use the restore to factory...

You could try to use the restore to factory settings with Prosave.
It goes by the MAC address (printed on the rear of the panel). edit: It also displays at bootup as can be seen in your screenshots....
Forum: LIVE PLC Questions And Answers May 26th, 2020, 11:30 AM
Replies: 7
Views: 215
Posted By JesperMP
You mean it works OK for some time, i.e it runs...

You mean it works OK for some time, i.e it runs the HMI program.
But after some time it begins the update sequence for no reason and ultimately fails ?

I am guessing that there is a bit on the...
Showing results 1 to 25 of 500

 
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