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Search: Posts Made By: JOLTRON
Forum: LIVE PLC Questions And Answers June 29th, 2018, 10:44 AM
Replies: 35
Views: 1,785
Posted By JOLTRON
Correct, doing the actual calculations will tell...

Correct, doing the actual calculations will tell you the actual PL. The table offers a quick solution that avoids math, but uses mid level values. So when you use this quick method and you have 4...
Forum: LIVE PLC Questions And Answers June 29th, 2018, 09:24 AM
Replies: 35
Views: 1,785
Posted By JOLTRON
I believe there is a table in 13849 (Table 11...

I believe there is a table in 13849 (Table 11 maybe? don't have it with me at the moment) that has a chart for this.

You have to add up the total number of your lowest PL devices and based on that...
Forum: LIVE PLC Questions And Answers April 13th, 2018, 07:08 AM
Replies: 10
Views: 675
Posted By JOLTRON
That makes sense. Then when you add voice / VOIP...

That makes sense. Then when you add voice / VOIP it would add a new VLAN tag that would then increase the size to be within the tolerance.
Forum: LIVE PLC Questions And Answers April 12th, 2018, 01:47 PM
Replies: 10
Views: 675
Posted By JOLTRON
I'm not sure if this will help, but in the past I...

I'm not sure if this will help, but in the past I have had simliar issues with Cisco switches.

They were dropping the packets (due to being 'runt's undersized). Which I don't understand since the...
Forum: LIVE PLC Questions And Answers April 9th, 2018, 08:28 AM
Replies: 10
Views: 456
Posted By JOLTRON
At the top of your screen there is drop down box....

At the top of your screen there is drop down box. Change it from 'Search results' to 'License keys'.
Forum: LIVE PLC Questions And Answers April 5th, 2018, 12:19 PM
Replies: 19
Views: 1,145
Posted By JOLTRON
I believe in the 300's all DB's are retained by...

I believe in the 300's all DB's are retained by default, but I thought this changed in the 1200's and 1500's. I believe you have to check a box in the DB to specify what data you want retained.
...
Forum: LIVE PLC Questions And Answers January 10th, 2018, 02:24 PM
Replies: 10
Views: 446
Posted By JOLTRON
Can you describe what your desired out come is? ...

Can you describe what your desired out come is?

You are currently reading 12 BYTES (not bits) of data. This DATA is ASCII (Char).

Are you looking to sum up the BYTE values as if they Integers?...
Forum: LIVE PLC Questions And Answers December 15th, 2017, 06:25 AM
Replies: 10
Views: 1,710
Posted By JOLTRON
As Jesper says accessible nodes uses MAC...

As Jesper says accessible nodes uses MAC addresses so it will only work while on the same network via switches. As soon as you do any sort of routing you will no longer be able to view accessible...
Forum: LIVE PLC Questions And Answers December 13th, 2017, 09:52 AM
Replies: 13
Views: 710
Posted By JOLTRON
I agree this is a perfect application for multi...

I agree this is a perfect application for multi instance.

It is possible the application I worked with was just very poorly programmed.

I have
Had to change a motion block that was a multi...
Forum: LIVE PLC Questions And Answers December 13th, 2017, 08:35 AM
Replies: 13
Views: 710
Posted By JOLTRON
I have seen some companies go as far as stating...

I have seen some companies go as far as stating FBs are not allowed, only FCs and DBs.

I believe it is due to lack of knowledge of Siemens, and if people go crazy with nesting multi instance it...
Forum: LIVE PLC Questions And Answers December 13th, 2017, 06:38 AM
Replies: 13
Views: 710
Posted By JOLTRON
Or a separate BF so all the FBS use a multi...

Or a separate BF so all the FBS use a multi instance DB instead of needing a DB for all 40 FBS. Some people are against multi instance though.
Forum: LIVE PLC Questions And Answers December 12th, 2017, 06:45 PM
Replies: 39
Views: 1,577
Posted By JOLTRON
https://support.industry.siemens.com/cs/document/8...

https://support.industry.siemens.com/cs/document/81318674/programming-guidelines-and-programming-styleguide-for-simatic-s7-1200-and-s7-1500?dti=0&lc=en-WW

Here is a link to some programming...
Forum: LIVE PLC Questions And Answers December 12th, 2017, 11:22 AM
Replies: 39
Views: 1,577
Posted By JOLTRON
Not to sound rude, but if the OP isn't aware that...

Not to sound rude, but if the OP isn't aware that a DB can be addressed from the HMI, they may not know what the difference is between optimized and non.

I am assuming but it seems the OP is more...
Forum: LIVE PLC Questions And Answers December 12th, 2017, 11:19 AM
Replies: 39
Views: 1,577
Posted By JOLTRON
Is there a specific reason you are stuck on this...

Is there a specific reason you are stuck on this 'indirect addressing'? Is it a requirement for the project?

TIA portal and the 1200 / 1500 PLC families are symbolic / tag based PLC's. Unless...
Forum: LIVE PLC Questions And Answers December 12th, 2017, 10:29 AM
Replies: 5
Views: 434
Posted By JOLTRON
You are correct, it won't set those bits. That...

You are correct, it won't set those bits. That is why direct addressing of the L area is so dangerous.

Most likely it worked before and someone added data before it in the stat area and...
Forum: LIVE PLC Questions And Answers December 12th, 2017, 10:04 AM
Replies: 39
Views: 1,577
Posted By JOLTRON
On the HMI have all of your addresses us DB's...

On the HMI have all of your addresses us DB's instead of M bits. Then you don't need to worry about moving data from M bits to DB's. That seems to be your main issue...
Forum: LIVE PLC Questions And Answers November 30th, 2017, 06:12 AM
Replies: 5
Views: 388
Posted By JOLTRON
See gets you what you need. In project tree:...

See gets you what you need.

In project tree:
Right click on 'Program Blocks'
Click 'Cross References'

Then you can sort by the address column.

I havne't found a good way to 'find'...
Forum: LIVE PLC Questions And Answers November 29th, 2017, 01:27 PM
Replies: 21
Views: 1,513
Posted By JOLTRON
Try removing the constant definition. That will...

Try removing the constant definition. That will reduce the number of arguments by one. But I am not sure if it will accept the actual value of 47 or if it will require an actual pointer.
...
Forum: LIVE PLC Questions And Answers November 29th, 2017, 09:35 AM
Replies: 21
Views: 1,513
Posted By JOLTRON
The print("MW0=" was fitting when reading the...

The print("MW0=" was fitting when reading the value of of a memory location. I don't believe it would be necessary anymore. You should probably replace it with something along the lines of 'Result...
Forum: LIVE PLC Questions And Answers November 29th, 2017, 08:26 AM
Replies: 21
Views: 1,513
Posted By JOLTRON
I included in my edit that I noticed you wanted...

I included in my edit that I noticed you wanted to write, not read.

But either way in the documentation I linked there is a 'WriteFlag' that is very similar to the 'ReadFlag'. Have you read...
Forum: LIVE PLC Questions And Answers November 29th, 2017, 08:13 AM
Replies: 21
Views: 1,513
Posted By JOLTRON
You asked for MW12 in this reply. Either way, if...

You asked for MW12 in this reply. Either way, if you look at the documentaiton or what I had to change to get it to work from 0 to 12... it should be pretty straight forward what needs to be changed...
Forum: LIVE PLC Questions And Answers November 29th, 2017, 07:56 AM
Replies: 21
Views: 1,513
Posted By JOLTRON
I am not familiar with the S7ProSim but if you...

I am not familiar with the S7ProSim but if you look at the documentation you can see that the "ReadFlagValue(0, 0," in the line that reads MW0 are the byte, bit addresses

So if you change:...
Forum: LIVE PLC Questions And Answers November 7th, 2017, 06:34 AM
Replies: 8
Views: 574
Posted By JOLTRON
If you do a cross reference listing for that bit...

If you do a cross reference listing for that bit or a 'go to location' it will show you all the places it is used. You could count it from this list. Automatic listing, but manual counting...
...
Forum: LIVE PLC Questions And Answers August 22nd, 2017, 07:32 AM
Replies: 5
Views: 631
Posted By JOLTRON
Haven't had time to read everything yet, but...

Haven't had time to read everything yet, but personally I am not a fan of 'empty OB's'.

The OB's will allow your processor to run with a fault. If there is a condition where these is a fault I...
Forum: LIVE PLC Questions And Answers June 23rd, 2017, 07:57 AM
Replies: 7
Views: 348
Posted By JOLTRON
I have had really good luck over the years with...

I have had really good luck over the years with Phoenix Contacts FL-COM servers.
Showing results 1 to 25 of 500

 
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