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Search: Posts Made By: parky
Forum: LIVE PLC Questions And Answers July 14th, 2020, 04:16 PM
Replies: 4
Views: 282
Posted By parky
What you have looks a little complex have a look...

What you have looks a little complex have a look at this, it's something similar to a project I did some years ago but can't remember exactly what I did.
It could be reduced in size but this was a...
Forum: Practice Posting Here July 14th, 2020, 07:41 AM
Replies: 3
Views: 261
Posted By parky
An update, in most situations it is paramount...

An update, in most situations it is paramount that a re-start is initiated by an operator, if the plant covers many areas then it is ok to have a single start but along the plant there should be...
Forum: Practice Posting Here July 14th, 2020, 06:27 AM
Replies: 3
Views: 261
Posted By parky
Hietsu is right, however, without further...

Hietsu is right, however, without further information it would be difficult to tell you what you need, if posting (as suggested in the main forum) then what are you trying to achieve, what PLC...
Forum: LIVE PLC Questions And Answers July 13th, 2020, 03:48 PM
Replies: 32
Views: 2,405
Posted By parky
I joined Linkedin years ago & did not get any for...

I joined Linkedin years ago & did not get any for years (even though I was not particularly looking, then all of a sudden, they came all at once, even though I'm now retired I get at least two...
Forum: LIVE PLC Questions And Answers July 13th, 2020, 03:42 PM
Replies: 23
Views: 813
Posted By parky
I suggest you also do a cable schedule or survey...

I suggest you also do a cable schedule or survey as often things have been changed for example while disconnecting put labels on the old cables if re-using if not then definitely trace if possible...
Forum: LIVE PLC Questions And Answers July 10th, 2020, 07:45 AM
Replies: 6
Views: 217
Posted By parky
Read section 10 of this manual, it shows how you...

Read section 10 of this manual, it shows how you call the timer & it's pre-set
https://www.tecnical.cat/PDF/OMRON/PLCs/Micros/W176-E1-4A.pdf
Read page 124 it shows the tables for the words used
Forum: LIVE PLC Questions And Answers July 10th, 2020, 07:25 AM
Replies: 6
Views: 217
Posted By parky
Here is the link to the manual see section 5 ...

Here is the link to the manual see section 5

http://www.portalelectrozona.com/pdf/descatalogadosplc/C20H_C28H_C40H_C60H_Operation_Guide.pdf
Forum: LIVE PLC Questions And Answers July 9th, 2020, 02:22 PM
Replies: 10
Views: 348
Posted By parky
You may not need to transfer the registers for a...

You may not need to transfer the registers for a couple of reasons. 1. None are used in the program. 2. The data in any of the registers may not be needed as far as a back up i.e. any data is...
Forum: LIVE PLC Questions And Answers July 9th, 2020, 12:34 PM
Replies: 7
Views: 322
Posted By parky
As already posted, there are many good reasons...

As already posted, there are many good reasons for simulation, one of the most important is to get the software working as close to what the customer requests. Other reasons not mentioned yet is...
Forum: LIVE PLC Questions And Answers July 9th, 2020, 04:21 AM
Replies: 7
Views: 322
Posted By parky
It depends on what you mean on simulation fault...

It depends on what you mean on simulation fault finding. What I do depends on if I'm using a real processor or a simulator.
On a real processor I sometimes include Analog cards and use voltage/ma...
Forum: LIVE PLC Questions And Answers July 9th, 2020, 03:37 AM
Replies: 10
Views: 348
Posted By parky
Has it got any register cards in the rack or is...

Has it got any register cards in the rack or is it all digital I/O ? It has been many years since I have used it 1983 to be precise
Are you sure it uses registers many older systems only used...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 03:37 PM
Replies: 7
Views: 223
Posted By parky
I did not mean connecting the third wire to the...

I did not mean connecting the third wire to the pot 3 terminal, PT100 have a third wire connected to one of the two wires of the PT, this is checked at the PLC Card and reduces errors by compensating...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 03:28 PM
Replies: 5
Views: 207
Posted By parky
Many years ago I wrote a terminal program for...

Many years ago I wrote a terminal program for testing Eurotherm controllers and PLC communications in Delphi it is a standalone exe you could configure up to 16 commands to respond to, these were...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 02:41 PM
Replies: 20
Views: 1,190
Posted By parky
Already mentioned in post #3

Already mentioned in post #3
Forum: LIVE PLC Questions And Answers July 8th, 2020, 02:17 PM
Replies: 7
Views: 223
Posted By parky
You would probably be better to pad it with a...

You would probably be better to pad it with a parallel and series resistor as a PT100 input is 100 Ohm at 0 deg C and 137.8 at 100 deg. C. This way it would be easier to scale and zero ohms i.e. pot...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 01:12 PM
Replies: 20
Views: 1,190
Posted By parky
Gbradly: yes the ML's seem to be bullet proof as...

Gbradly: yes the ML's seem to be bullet proof as was the SLC and prior but the later hardware is **** when it comes to power ups, in every case on panelview + it was the PSU board that failed on...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 12:44 PM
Replies: 20
Views: 1,190
Posted By parky
I wasn't particularly talking about position on...

I wasn't particularly talking about position on servos but yes your right what I meant was really steps so that it will re-start (yes I mean on a resume by human before posters start going on about...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 12:31 PM
Replies: 19
Views: 586
Posted By parky
Not familiar latest RW kit but in other PLC's IEC...

Not familiar latest RW kit but in other PLC's IEC timers work differently for example T#5s is a 5 second timer, and if a variable is placed as the timer value then the variable needs 5000 ms although...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 12:19 PM
Replies: 20
Views: 1,190
Posted By parky
Seems to be that many companies in the States...

Seems to be that many companies in the States wire the PLC power via the Estop circuit, We had a number of machines from the states, all were wired like this, all AB hardware and had many failures of...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 07:52 AM
Replies: 6
Views: 378
Posted By parky
Never worked with Delta but I believe this is...

Never worked with Delta but I believe this is either a rip off or badged version of Mitsubishi, the code and memory looks almost identical, so it may be worth looking at the Mitsubishi communication...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 07:32 AM
Replies: 9
Views: 290
Posted By parky
Yes, that is assuming the overload N/C contact is...

Yes, that is assuming the overload N/C contact is N/C when the overload is not tripped but in reality this is the N/O contact, The idea is that when the overload is ok you get a closed contact so...
Forum: LIVE PLC Questions And Answers July 8th, 2020, 06:03 AM
Replies: 9
Views: 290
Posted By parky
This is how a start/stop latch will work using...

This is how a start/stop latch will work using either a N/C or N/O Stop button
Forum: LIVE PLC Questions And Answers July 7th, 2020, 07:32 AM
Replies: 25
Views: 1,460
Posted By parky
Why not use VBA in excel, put a button on the...

Why not use VBA in excel, put a button on the excel spreadsheet, open up VBA on button pressed, use file manager add in to select the file and parse it into cells then save the file as an excel file....
Forum: LIVE PLC Questions And Answers July 6th, 2020, 02:07 PM
Replies: 25
Views: 1,460
Posted By parky
That assumes it is already a CSV file, Post one...

That assumes it is already a CSV file, Post one of the files, it may be that even though it does not contain commas, tabs etc. there is a way but need to see the file first to get an idea. Could you...
Forum: LIVE PLC Questions And Answers July 6th, 2020, 05:16 AM
Replies: 3
Views: 257
Posted By parky
Kepware (Kepserver Ex) have an OPC server that...

Kepware (Kepserver Ex) have an OPC server that can connect via Modbus and it also has the ability of connecting directly to an SQL Database. you set up the communications into tags, then use events...
Showing results 1 to 25 of 500

 
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