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Search: Posts Made By: L D[AR2,P#0.0]
Forum: LIVE PLC Questions And Answers Today, 04:40 AM
Replies: 19
Views: 431
Posted By L D[AR2,P#0.0]
Xref is now F11

Xref is now F11
Forum: LIVE PLC Questions And Answers Yesterday, 06:30 AM
Replies: 19
Views: 431
Posted By L D[AR2,P#0.0]
2 weeks of Portal install/training/familiarity. I...

2 weeks of Portal install/training/familiarity. I would migrate the code from an existing S7-300 project so you get a feel for the subtle changes that may be required for the code to compile with no...
Forum: LIVE PLC Questions And Answers January 20th, 2018, 06:56 AM
Replies: 21
Views: 561
Posted By L D[AR2,P#0.0]
Clearing the temp area may be giving others the...

Clearing the temp area may be giving others the impression that it is ok to use temp variables without initialising them. What makes initialising them to zero any better than any other value?
Forum: LIVE PLC Questions And Answers January 17th, 2018, 01:27 PM
Replies: 21
Views: 561
Posted By L D[AR2,P#0.0]
Yes, I remember reading it as well but couldn't...

Yes, I remember reading it as well but couldn't find out where.
Forum: LIVE PLC Questions And Answers January 17th, 2018, 10:56 AM
Replies: 21
Views: 561
Posted By L D[AR2,P#0.0]
Following testing in PLCSIM: For blocks with...

Following testing in PLCSIM:

For blocks with optimised access, the temp area is cleared at the start of block execution and also cleared when the block completes.

For blocks without optimised...
Forum: LIVE PLC Questions And Answers January 17th, 2018, 09:29 AM
Replies: 21
Views: 561
Posted By L D[AR2,P#0.0]
Turn off optimised block access and you can use...

Turn off optimised block access and you can use fill.
Forum: LIVE PLC Questions And Answers January 15th, 2018, 08:51 AM
Replies: 18
Views: 467
Posted By L D[AR2,P#0.0]
I've heard that V16 is on it's way.....:bawling:

I've heard that V16 is on it's way.....:bawling:
Forum: LIVE PLC Questions And Answers January 11th, 2018, 09:00 AM
Replies: 10
Views: 239
Posted By L D[AR2,P#0.0]
The K is a temp variable of type INT - see...

The K is a temp variable of type INT - see interface.
Forum: LIVE PLC Questions And Answers January 10th, 2018, 06:55 PM
Replies: 10
Views: 239
Posted By L D[AR2,P#0.0]
Here's the results in the DB. Modify to suit...

Here's the results in the DB. Modify to suit where your string is to be located.
Forum: LIVE PLC Questions And Answers January 10th, 2018, 06:53 PM
Replies: 10
Views: 239
Posted By L D[AR2,P#0.0]
Here's some code that will copy the chars to a...

Here's some code that will copy the chars to a string:
Forum: LIVE PLC Questions And Answers January 9th, 2018, 05:41 PM
Replies: 5
Views: 185
Posted By L D[AR2,P#0.0]
Could also be data within a UDT, or processed by...

Could also be data within a UDT, or processed by a blockmove.
Forum: LIVE PLC Questions And Answers January 9th, 2018, 08:47 AM
Replies: 8
Views: 201
Posted By L D[AR2,P#0.0]
Here's a start:

Here's a start:
Forum: LIVE PLC Questions And Answers January 7th, 2018, 03:38 PM
Replies: 16
Views: 570
Posted By L D[AR2,P#0.0]
I would use switch (case) statement so your...

I would use switch (case) statement so your program is always executing and you can monitor for aborts etc.

e.g.

switch Step {

case 0: if start then
issue Home();
Step:=1;...
Forum: LIVE PLC Questions And Answers January 7th, 2018, 06:24 AM
Replies: 36
Views: 1,761
Posted By L D[AR2,P#0.0]
750

750
Forum: LIVE PLC Questions And Answers January 5th, 2018, 02:51 PM
Replies: 6
Views: 329
Posted By L D[AR2,P#0.0]
Create a project that only consists of a S7...

Create a project that only consists of a S7 program. Copy your blocks to the project and use plcsim. To simulate your I/O you will have to write blocks that manipulate the I/Q areas.
Forum: LIVE PLC Questions And Answers January 5th, 2018, 12:44 PM
Replies: 6
Views: 276
Posted By L D[AR2,P#0.0]
Here's some code that does the job - may be...

Here's some code that does the job - may be useful for CPU's where you can't set the minimum scan time.
Forum: LIVE PLC Questions And Answers January 4th, 2018, 09:13 AM
Replies: 8
Views: 128
Posted By L D[AR2,P#0.0]
Are you sure the data is 20 ? i.e. are you...

Are you sure the data is 20 ? i.e. are you preloading the DB with (say) FF before receiving data?
Forum: LIVE PLC Questions And Answers January 1st, 2018, 12:13 PM
Replies: 7
Views: 400
Posted By L D[AR2,P#0.0]
It's not specified in the puzzle, but a car can...

It's not specified in the puzzle, but a car can only tow one other car using the tow rope, i.e it can't be looped from car to car effectively allowing one car to tow all the others and do it in one...
Forum: LIVE PLC Questions And Answers January 1st, 2018, 12:06 PM
Replies: 9
Views: 718
Posted By L D[AR2,P#0.0]
Answers (I can hear the groans already...) ...

Answers (I can hear the groans already...)

How may Apples in pie (Answer=none, see website that will find your name in pi http://www.dr-mikes-math-games-for-kids.com/your-name-in-pi.html)

Is...
Forum: LIVE PLC Questions And Answers January 1st, 2018, 05:04 AM
Replies: 7
Views: 400
Posted By L D[AR2,P#0.0]
Several answers so far, 8000 secs and 6400...

Several answers so far,

8000 secs and 6400 secs. There is a smaller time possible (without any pushing of cars).
Forum: LIVE PLC Questions And Answers December 31st, 2017, 03:40 PM
Replies: 7
Views: 400
Posted By L D[AR2,P#0.0]
Xmas 2017 Puzzle (3)

A logic puzzle to finish off the holidays:

Four electric cars need to be moved 32km from A to B
The speeds of the cars are as follows:
Tesla 80m/s, Mirai 40m/s, e-Golf 20m/s, Leaf 10m/s
There...
Forum: LIVE PLC Questions And Answers December 30th, 2017, 05:29 AM
Replies: 8
Views: 432
Posted By L D[AR2,P#0.0]
It all depends on the addresses set for the other...

It all depends on the addresses set for the other digital inputs modules. If there is a gap in the addressing then a 32 input card could have the same base address.
Forum: LIVE PLC Questions And Answers December 29th, 2017, 06:34 AM
Replies: 6
Views: 268
Posted By L D[AR2,P#0.0]
The is no call to fbTimerValve in state 10 to...

The is no call to fbTimerValve in state 10 to allow the timer to timeout.
Forum: LIVE PLC Questions And Answers December 28th, 2017, 06:35 PM
Replies: 9
Views: 718
Posted By L D[AR2,P#0.0]
Yes, you are right. For example, dense can be...

Yes, you are right. For example, dense can be used instead of thick in certain situations (2 down)
Forum: LIVE PLC Questions And Answers December 28th, 2017, 07:42 AM
Replies: 9
Views: 718
Posted By L D[AR2,P#0.0]
Have you got any clues yet?

Have you got any clues yet?
Showing results 1 to 25 of 500

 
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