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Search: Posts Made By: parky
Forum: LIVE PLC Questions And Answers Yesterday, 12:19 PM
Replies: 15
Views: 673
Posted By parky
@DR, I'm aware of the no need as I found out...

@DR, I'm aware of the no need as I found out later, however, I did leave it in to show the OP (or at least try to) about using compares he certainly has little experience and still struggles with how...
Forum: LIVE PLC Questions And Answers Yesterday, 07:51 AM
Replies: 15
Views: 673
Posted By parky
Assuming you are thinking of using an S7-1200...

Assuming you are thinking of using an S7-1200 with analogue built in here is a link to the documentation of standard block and documentation.
Download the library & documentation shown on this page...
Forum: LIVE PLC Questions And Answers Yesterday, 05:40 AM
Replies: 15
Views: 673
Posted By parky
The sequence is just think about what you need to...

The sequence is just think about what you need to do for example
Process is idle i.e. the sequence variable is zero
Step 1: Operator presses the start button (or you may call it the Batch start)....
Forum: LIVE PLC Questions And Answers Yesterday, 02:44 AM
Replies: 15
Views: 673
Posted By parky
See attached. This is a simple quick off the cuff...

See attached. This is a simple quick off the cuff to show you how you could control the batch weighing, it is just an idea and although this is not Siemens I think the functions are similar.
This is...
Forum: LIVE PLC Questions And Answers May 14th, 2021, 03:44 PM
Replies: 15
Views: 673
Posted By parky
Have a look at these links...

Have a look at these links...
Forum: LIVE PLC Questions And Answers May 14th, 2021, 08:38 AM
Replies: 15
Views: 673
Posted By parky
Most loadcell amplifiers will have zero & span...

Most loadcell amplifiers will have zero & span settings here is one I found but no idea of the specs...
Forum: LIVE PLC Questions And Answers May 14th, 2021, 05:17 AM
Replies: 15
Views: 673
Posted By parky
First of all, are you connecting the 4 loadcells...

First of all, are you connecting the 4 loadcells in parallel, I assume so, this is common practice for weighing, what sort of weights are you going to be measuring, this is reasonably important as to...
Forum: LIVE PLC Questions And Answers May 13th, 2021, 05:05 AM
Replies: 12
Views: 692
Posted By parky
Here is a quick pdf on the way to get & put...

Here is a quick pdf on the way to get & put values on the analogs on a clone FX
Forum: LIVE PLC Questions And Answers May 13th, 2021, 03:25 AM
Replies: 35
Views: 13,890
Posted By parky
In the past I have been involved in recipe...

In the past I have been involved in recipe handling in many ways, one system I was involved in became a little complex due to the mis-understanding by the supplier on how recipes were loaded from an...
Forum: LIVE PLC Questions And Answers May 12th, 2021, 05:36 AM
Replies: 12
Views: 692
Posted By parky
The FX2N does support the PID instruction but not...

The FX2N does support the PID instruction but not sure if the clone will, but it may be worth a try, the PID uses a lot of "D" registers for the PID process so you will have to get your head round...
Forum: LIVE PLC Questions And Answers May 12th, 2021, 05:27 AM
Replies: 3
Views: 263
Posted By parky
I have never used PX developer so cannot comment...

I have never used PX developer so cannot comment on it's use, again I never use the rom on PLC's I have always used standard ram, the only reason I would use rom or SD (flash cards) is when the...
Forum: LIVE PLC Questions And Answers May 12th, 2021, 03:03 AM
Replies: 3
Views: 263
Posted By parky
I can think of a couple of possibilities, the PLC...

I can think of a couple of possibilities, the PLC parameters under PLC File was set to load from Memory card rather than standard ram or under boot file the program(s) were being loaded from memory...
Forum: LIVE PLC Questions And Answers May 11th, 2021, 12:37 PM
Replies: 12
Views: 692
Posted By parky
One of my old apprentices purchased one, I was...

One of my old apprentices purchased one, I was quite impressed for the price, the PID instruction I don't think will work, but it is simple to do a PID I assume the one you have has the analogues...
Forum: LIVE PLC Questions And Answers May 11th, 2021, 10:16 AM
Replies: 23
Views: 901
Posted By parky
Why an AOI it's a simple bit of code. two...

Why an AOI it's a simple bit of code. two compares & moves.
so when the actual is less than set point minus the trickle weight move high speed to drive, when greater than set point minus trickle...
Forum: LIVE PLC Questions And Answers May 11th, 2021, 10:08 AM
Replies: 20
Views: 795
Posted By parky
Have you tried using a simple coms program to see...

Have you tried using a simple coms program to see what data is being transmitted, most scales will be capable of giving out an ASCII string with possible start char, address & end char, possibly a...
Forum: LIVE PLC Questions And Answers May 11th, 2021, 09:56 AM
Replies: 23
Views: 901
Posted By parky
I agree with all the others, PID is not required,...

I agree with all the others, PID is not required, just subtract a given amount off the required fill weight & use this to slow the feeder to a trickle, PID will really slow the fill down, as the idea...
Forum: LIVE PLC Questions And Answers May 11th, 2021, 02:33 AM
Replies: 1
Views: 217
Posted By parky
First of all, what programming software are you...

First of all, what programming software are you using GXDeveloper or GX Works2.
Analogues are pretty easy and on the Mitsubishi website there are manuals for the cards.
here is the manual...
Forum: LIVE PLC Questions And Answers May 11th, 2021, 02:13 AM
Replies: 12
Views: 692
Posted By parky
It does depend on the clone, the very cheap ones,...

It does depend on the clone, the very cheap ones, i.e. the ones that are not enclosed but on a simple klipon type support have limited functionality, The most noticeable differences are:
1. The 232...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 12:08 PM
Replies: 4
Views: 405
Posted By parky
Most posts here talk about the level, just think...

Most posts here talk about the level, just think about the temperature a PT100 with a 4-20ma head converter, the reason I say that is if you plump for a level transmitter it will probably be 0-20 or...
Forum: LIVE PLC Questions And Answers May 5th, 2021, 02:35 AM
Replies: 5
Views: 366
Posted By parky
Here is the settings for both the configurator &...

Here is the settings for both the configurator & PLC
Mine contains not only the melsoft connection (for gxworks) but also a connection for Kepware OPC server, the PLC configuration is pretty simple.
Forum: LIVE PLC Questions And Answers May 4th, 2021, 11:30 AM
Replies: 10
Views: 810
Posted By parky
I think it is a personal choice or at the very...

I think it is a personal choice or at the very least the customers choice or requirement.
Some examples I have used are:
HH, cyan or even black when not covered, flashing red when covered
H, Cyan...
Forum: LIVE PLC Questions And Answers May 4th, 2021, 03:09 AM
Replies: 12
Views: 997
Posted By parky
Ah... Then it could be a move, however, difficult...

Ah... Then it could be a move, however, difficult to move 10 bits would have to be 16 to make it simple.
Forum: LIVE PLC Questions And Answers May 4th, 2021, 02:48 AM
Replies: 12
Views: 997
Posted By parky
I'm still confused, perhaps my age, is the random...

I'm still confused, perhaps my age, is the random number going to be sent as a binary bit pattern to the outputs ? or is it a number only turns on the respective bit, if respective bit i.e. only one...
Forum: LIVE PLC Questions And Answers May 3rd, 2021, 01:36 PM
Replies: 25
Views: 1,590
Posted By parky
To be honest I don't blame you, I find Mitsi far...

To be honest I don't blame you, I find Mitsi far less prone to having to update/flash & purchase yet another version of IDE. However, because RW have now set the precedence regarding extracting as...
Forum: LIVE PLC Questions And Answers May 3rd, 2021, 12:58 PM
Replies: 25
Views: 1,590
Posted By parky
If you work for an integrator then yes plump for...

If you work for an integrator then yes plump for one type, however, this may limit your customer base, most integrators need to be able to work on a wide range of platforms, often end users have...
Showing results 1 to 25 of 500

 
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