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Search: Posts Made By: JesperMP
Forum: LIVE PLC Questions And Answers Today, 10:37 AM
Replies: 11
Views: 197
Posted By JesperMP
E.W.O.N (and others) also have versions that do...

E.W.O.N (and others) also have versions that do exactly that.

edit: browse down to the bottom of this page: https://****.biz/products/cosy
There you can find the part no for a router that...
Forum: LIVE PLC Questions And Answers Today, 10:25 AM
Replies: 11
Views: 197
Posted By JesperMP
There are many VPN providers that are tailored to...

There are many VPN providers that are tailored to industrial applications.

We use E.W.O.N. This is a router which sits between the machine network (LAN side) and the customers network (WAN side)....
Forum: LIVE PLC Questions And Answers Yesterday, 09:39 AM
Replies: 20
Views: 921
Posted By JesperMP
I dont think there can be a need for indicating...

I dont think there can be a need for indicating that the E-stop is "ready" or something like that. If there is an E-stop, then it is always "ready", and it must stop everything that is in the zone...
Forum: LIVE PLC Questions And Answers Yesterday, 05:25 AM
Replies: 22
Views: 977
Posted By JesperMP
What is your experience with this carrying over...

What is your experience with this carrying over when changing TIA version ?
My main gripe is that when you change TIA version, you have to compile and download again before you can go online. If the...
Forum: LIVE PLC Questions And Answers November 13th, 2019, 06:25 AM
Replies: 27
Views: 1,122
Posted By JesperMP
That would still be 1 E-stops, not 3. Edit: I...

That would still be 1 E-stops, not 3.
Edit: I admit I dont know much about chemical plant safety.
Forum: LIVE PLC Questions And Answers November 13th, 2019, 04:12 AM
Replies: 27
Views: 1,122
Posted By JesperMP
I came across this at a site and I just had to...

I came across this at a site and I just had to take a photo of it.
It is not made by me or my company, and I am not telling where it is.
So, if someone is about to be run over by a pick-and-place...
Forum: LIVE PLC Questions And Answers November 13th, 2019, 03:57 AM
Replies: 27
Views: 1,122
Posted By JesperMP
Wow, just wow. This is soooo wrong, as others...

Wow, just wow. This is soooo wrong, as others have already stated.
1. An emergency stop button should be near the risk that it protects against. The relevant standards will specify the max distance...
Forum: LIVE PLC Questions And Answers November 11th, 2019, 11:14 AM
Replies: 2
Views: 333
Posted By JesperMP
I didnt answer before since our projects are not...

I didnt answer before since our projects are not that big.
These are the "biggest" I have experienced:

NETWORK: Profibus DP
Engineering Limit: 32 stations per segment. 126 stations per network....
Forum: LIVE PLC Questions And Answers November 11th, 2019, 10:59 AM
Replies: 12
Views: 428
Posted By JesperMP
In the RSView32 project there should be a list of...

In the RSView32 project there should be a list of "channels". A channel can be either with "direct driver", "OPC" or "DDE".
A channel that uses "direct driver" actually uses RSLinx.

Since...
Forum: LIVE PLC Questions And Answers November 11th, 2019, 10:14 AM
Replies: 12
Views: 428
Posted By JesperMP
RSlinx would be in the System Tray. If you find...

RSlinx would be in the System Tray.
If you find it there you should be able to open it and check what connections are setup.

There is a remote (! no pun intended) possibility that RSView does not...
Forum: LIVE PLC Questions And Answers November 11th, 2019, 07:14 AM
Replies: 12
Views: 428
Posted By JesperMP
In short, you have an older RSView32 PC that used...

In short, you have an older RSView32 PC that used Watcom Tagserver to talk to an SQL database, the PLC is connected via Ethernet and I assume RSLinx OEM, RSLinx Single Node or RSLinx Gateway.
The...
Forum: LIVE PLC Questions And Answers November 8th, 2019, 08:48 AM
Replies: 11
Views: 481
Posted By JesperMP
Oh I see, it is set in the IDB, not in the FB. ...

Oh I see, it is set in the IDB, not in the FB.
Reading the help for that function, I think it is not what I am after.
I thought that if I had a parameter defined by a UDT, it would allow me to see...
Forum: LIVE PLC Questions And Answers November 8th, 2019, 08:17 AM
Replies: 11
Views: 481
Posted By JesperMP
I cant find that setting. I would be grateful if...

I cant find that setting. I would be grateful if you gave me hint where to look.
Forum: LIVE PLC Questions And Answers November 8th, 2019, 06:41 AM
Replies: 11
Views: 481
Posted By JesperMP
Good tip. I did not know that. Would this not...

Good tip. I did not know that.
Would this not actually provide almost the same functionality as if you placed all command and status variables on individual IN or OUT pins ?

One advantage of...
Forum: LIVE PLC Questions And Answers November 7th, 2019, 06:51 AM
Replies: 28
Views: 850
Posted By JesperMP
I have started to write this post, and then...

I have started to write this post, and then deleted what I have written, several times. Too many expletives.
I can only say, that I have added the op to my ignore list.
Forum: LIVE PLC Questions And Answers November 6th, 2019, 10:54 AM
Replies: 33
Views: 1,293
Posted By JesperMP
I dont have the most uptodate standard. It is one...

I dont have the most uptodate standard. It is one of those we do not subscribe to.
But I have seen a discussion from 2009 (!) that the methods R, CL, CR, S are "supplementary" and also the words...
Forum: LIVE PLC Questions And Answers November 6th, 2019, 10:02 AM
Replies: 33
Views: 1,293
Posted By JesperMP
So, after a little bit of investigation ... IEC...

So, after a little bit of investigation ...
IEC 62491 specifies several different alowable methods for wire numbering.

These possible methods are:
0. No marking. All wires can be followed...
Forum: LIVE PLC Questions And Answers November 6th, 2019, 08:37 AM
Replies: 33
Views: 1,293
Posted By JesperMP
To clarify, that is NOT the IEC way of wire...

To clarify, that is NOT the IEC way of wire labeling.

What IEC 60204-1 says, is that any wire no must be defined in the schematics.
Forum: LIVE PLC Questions And Answers November 6th, 2019, 06:22 AM
Replies: 28
Views: 850
Posted By JesperMP
From this, I guess that your PLC is an S7-200,...

From this, I guess that your PLC is an S7-200, and the cable you mention is a Siemens serial MPI/PPI PC Adapter.
This adapter has a serial RS232 port on the side that connects to the display, and an...
Forum: LIVE PLC Questions And Answers November 6th, 2019, 03:51 AM
Replies: 33
Views: 1,293
Posted By JesperMP
Yeah pretty much useles. The argument (which...

Yeah pretty much useles.

The argument (which I do not agree with) is that this numbering scheme is useful for replacing one component. You then know by the wiring numbers to which terminals the...
Forum: LIVE PLC Questions And Answers November 5th, 2019, 10:04 AM
Replies: 28
Views: 850
Posted By JesperMP
Please state the exact type no. It should be...

Please state the exact type no. It should be printed somewhere, maybe on a label on the rear.
Without knowing the exact type no, it is pure guesswork.
Forum: LIVE PLC Questions And Answers November 5th, 2019, 07:58 AM
Replies: 28
Views: 850
Posted By JesperMP
That certainly depends on the display ! What...

That certainly depends on the display ! What brand and type is it ?

It is likely that baudrate, no of bits, stop bits and parity bit must be configured.
Forum: LIVE PLC Questions And Answers November 4th, 2019, 07:19 AM
Replies: 16
Views: 1,052
Posted By JesperMP
I would also replace the arcaic operator panel...

I would also replace the arcaic operator panel for a touch screen.
You then can have real alarms with detailed alarm descriptions, logging of alarms, trendcurves, ease of making changes to both PLC...
Forum: LIVE PLC Questions And Answers November 4th, 2019, 06:59 AM
Replies: 16
Views: 1,052
Posted By JesperMP
EX40Plus has relay outputs, you could try to...

EX40Plus has relay outputs, you could try to access the PCB to replace the defective relays. I used to do that with Siemens S5-101U PLCs wich is very similar to this museum piece.
I am assuming you...
Forum: LIVE PLC Questions And Answers November 4th, 2019, 04:20 AM
Replies: 33
Views: 1,293
Posted By JesperMP
Some in my company uses this scheme. It is next...

Some in my company uses this scheme. It is next to worthless IMO.

When I and my colleagues have a say, we number the wires "by net".

I can see that numbering "by wire" is in theory the most...
Showing results 1 to 25 of 500

 
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