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Search: Posts Made By: JesperMP
Forum: LIVE PLC Questions And Answers Today, 09:56 AM
Replies: 16
Views: 282
Posted By JesperMP
Even if DH+ will work, there seems to be a...

Even if DH+ will work, there seems to be a noise/grounding issue which ought to be indentified and taken care of.
Forum: LIVE PLC Questions And Answers Today, 09:30 AM
Replies: 14
Views: 10,091
Posted By JesperMP
Good to hear ! Just be warned that configuring...

Good to hear !
Just be warned that configuring the online connection the "simple" way, i.e via S7ONLINE instead of via Simatic Net, you will lose such things as symbols, routing, alarm-s messages,...
Forum: LIVE PLC Questions And Answers Today, 09:22 AM
Replies: 16
Views: 282
Posted By JesperMP
It is a noise/grounding issue edit: Just a...

It is a noise/grounding issue

edit: Just a little rant, what made you say "comms to RS232 are lost and 485 takes over" ?
A lot of peoples time were wasted answering on that.
Forum: LIVE PLC Questions And Answers Today, 08:41 AM
Replies: 16
Views: 282
Posted By JesperMP
If you have some adapter for your PC that can...

If you have some adapter for your PC that can connect to DH+, you can connect to CH1 on the SLC5/04 CPU. It does not matter that something else is already connected to CH1.
Forum: LIVE PLC Questions And Answers Today, 08:39 AM
Replies: 16
Views: 282
Posted By JesperMP
Describe exactly how all the parts are connected...

Describe exactly how all the parts are connected together.
Your PC, the SLC5/04, the wonderware panel, AIC+ (if any), NET-AIC (if any), other panels, etc...

The hardware does not change itself...
Forum: LIVE PLC Questions And Answers Today, 03:55 AM
Replies: 2
Views: 128
Posted By JesperMP
The HMI communication should not be related to...

The HMI communication should not be related to the available memory.

Low free memory can mean that you cannot load modified blocks. You may have to delete the old block before loading the new...
Forum: LIVE PLC Questions And Answers Yesterday, 06:45 AM
Replies: 17
Views: 728
Posted By JesperMP
What do you mean by "monitor" ? Do you mean...

What do you mean by "monitor" ?

Do you mean to display the status of the devices on an HMI software ?
If so, what is this software and what protocols does it support ?

Or do you mean to...
Forum: LIVE PLC Questions And Answers March 19th, 2019, 10:18 AM
Replies: 13
Views: 378
Posted By JesperMP
If it is X1 that is failing, is it both ports ? ...

If it is X1 that is failing, is it both ports ?
If topology is not fixed, you can try to move or swap the connected cable(s).
Forum: LIVE PLC Questions And Answers March 19th, 2019, 08:52 AM
Replies: 13
Views: 378
Posted By JesperMP
Not if the firmware of the CPU on your bench is...

Not if the firmware of the CPU on your bench is lower than the upladed program you want to load.

If that is the case, the best solution is to upgrade the firmware on the CPU.
Alternatively you...
Forum: LIVE PLC Questions And Answers March 19th, 2019, 08:49 AM
Replies: 13
Views: 378
Posted By JesperMP
I believe it will work. It says so...

I believe it will work.

It says so indirectly, for the CPU parameter "Comparison preset to actual configuration", if set to "Startup of the CPU only if compatible" it will start even if the...
Forum: LIVE PLC Questions And Answers March 18th, 2019, 12:24 PM
Replies: 9
Views: 424
Posted By JesperMP
Dont just focus on the ligh curtain. If someone...

Dont just focus on the ligh curtain.
If someone gets hurt because of a risk that was in the original machine, and it wasnt safeguarded in the original design, then that is not an argument for you...
Forum: LIVE PLC Questions And Answers March 18th, 2019, 10:22 AM
Replies: 9
Views: 424
Posted By JesperMP
Even if the machine stops when the light curtain...

Even if the machine stops when the light curtain is interrupted, you also have to consider if for example a stuck barrel can tip or fall. So it is not enough to think that just be removing the...
Forum: LIVE PLC Questions And Answers March 18th, 2019, 10:08 AM
Replies: 9
Views: 424
Posted By JesperMP
That helps if there is a risk due to the inertia...

That helps if there is a risk due to the inertia of moving parts when stopping.
But it does not help against anything else.
Forum: LIVE PLC Questions And Answers March 18th, 2019, 10:04 AM
Replies: 9
Views: 424
Posted By JesperMP
You have to be careful. Who is responsible for...

You have to be careful. Who is responsible for the riska assessment ? You are going to interfere with the safety on a machine, so you cannot just say that you are unaware of the safety.

If it is...
Forum: LIVE PLC Questions And Answers March 14th, 2019, 09:33 AM
Replies: 8
Views: 266
Posted By JesperMP
Kp700. I suggest: Do all the migration work,...

Kp700.

I suggest: Do all the migration work, and the test with a simulated KP700 that everything works as intended.
I dont have experience with the IBH device myself.
Forum: LIVE PLC Questions And Answers March 14th, 2019, 08:09 AM
Replies: 8
Views: 266
Posted By JesperMP
Kataeb, if you have a Protool project, and you...

Kataeb, if you have a Protool project, and you decide to use the IBH adapter, you can migrate it to a recent Siemens panel like this:

(it does take a bit of effort !!)
With Protool, migrate OP25...
Forum: LIVE PLC Questions And Answers March 14th, 2019, 07:49 AM
Replies: 14
Views: 445
Posted By JesperMP
Yes, of course it is allowed to do. That is why...

Yes, of course it is allowed to do. That is why Profinet supports all Ethernet features.
All the devices that are functionally part of the PN RT system should be PN RT rated. That would include...
Forum: LIVE PLC Questions And Answers March 14th, 2019, 07:34 AM
Replies: 8
Views: 266
Posted By JesperMP
Yep, there is this clever device: ...

Yep, there is this clever device:
https://www.ibhsoftec.com/epages/63444704.sf/en_GB/?ObjectPath=/Shops/63444704/Products/20284

So you can go online with ANY device that speaks S7 via ethernet....
Forum: LIVE PLC Questions And Answers March 11th, 2019, 08:21 AM
Replies: 5
Views: 403
Posted By JesperMP
Looks like this Korean company: ...

Looks like this Korean company:
http://globalzeus.com/product/product_list_ex.asp?cate0=439&cate1=475

That must be an older PLC type you have since it is not in their catalog any more.
Their...
Forum: LIVE PLC Questions And Answers March 11th, 2019, 06:21 AM
Replies: 14
Views: 445
Posted By JesperMP
It looks like it is specialised to safeguard an...

It looks like it is specialised to safeguard an office from outside (internet). How it works for a machine-to-office situation I dont know.
Apart from that, it looks like an office-grade device. So...
Forum: LIVE PLC Questions And Answers March 11th, 2019, 05:17 AM
Replies: 14
Views: 445
Posted By JesperMP
Yep. That is what routers are for. The Router...

Yep. That is what routers are for.
The Router does not have to be Profinet certified. Just place it in the network so that the Profinet data does not have to go over the router.

When we have...
Forum: LIVE PLC Questions And Answers March 8th, 2019, 02:45 AM
Replies: 11
Views: 602
Posted By JesperMP
The IN parameter REQ_checkLDWS could indicate...

The IN parameter REQ_checkLDWS could indicate that FC621 is scanned cyclically, rather than only called once when the check has to be done.

Such functions I only call when needed, and then only...
Forum: LIVE PLC Questions And Answers March 7th, 2019, 01:59 PM
Replies: 11
Views: 602
Posted By JesperMP
It is not pretty, but if the variable assigned to...

It is not pretty, but if the variable assigned to #CheckLDWS_DONE is set FALSE before the call of FC621, then after the call the state will indicate if the FC621 was run till the end, and that does...
Forum: LIVE PLC Questions And Answers March 7th, 2019, 03:31 AM
Replies: 10
Views: 456
Posted By JesperMP
I would investigate if the Gnd of the...

I would investigate if the Gnd of the potentiometer input (the opposite terminal of the excitation voltage terminal) is isolated or if it is tied to Gnd of the engine controller.
Forum: LIVE PLC Questions And Answers March 6th, 2019, 11:42 AM
Replies: 10
Views: 456
Posted By JesperMP
Pretty sure that if the engine controls input...

Pretty sure that if the engine controls input assumes a potentiometer, in reality it measures voltage. The engine control outputs for example 10V to the potentiometer, and the potentiometer works as...
Showing results 1 to 25 of 500

 
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