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Search: Posts Made By: JohnCalderwood
Forum: LIVE PLC Questions And Answers Today, 03:39 AM
Replies: 6
Views: 88
Posted By JohnCalderwood
I have one PC for the IT stuff....which has 2 24"...

I have one PC for the IT stuff....which has 2 24" monitors, so that I can email and t'internet and stuff.

I also have two "modern" laptops on my desk. My desk is like a control console....

One...
Forum: LIVE PLC Questions And Answers Today, 03:26 AM
Replies: 1
Views: 17
Posted By JohnCalderwood
Welcome to the forum. To print the PLC5...

Welcome to the forum.

To print the PLC5 file, in RSLogix5 under <file>, use <report options>, select the items you want to print (I usually print Program files only to print the ladders).
Then...
Forum: LIVE PLC Questions And Answers Yesterday, 12:07 PM
Replies: 7
Views: 176
Posted By JohnCalderwood
Yes, if it is a component Panelview, then connect...

Yes, if it is a component Panelview, then connect over ethernet with an Internet Browser and save/access the program using the built-in software.
Forum: LIVE PLC Questions And Answers November 20th, 2018, 08:12 AM
Replies: 7
Views: 146
Posted By JohnCalderwood
Some more information would be helpful. Do...

Some more information would be helpful.

Do you have the backup code for the PLC?
Are you dealing with an online or offline PLC5 system?
Are you using a 1771 PLC5 Rack or Flex I/O?
How...
Forum: LIVE PLC Questions And Answers November 19th, 2018, 03:19 AM
Replies: 6
Views: 523
Posted By JohnCalderwood
All good - I find spreadsheets like this...

All good - I find spreadsheets like this essential, and sometimes they expand...

For the PLC's, I also added columns for the firmware/software revision, as we had/have issues with comms between...
Forum: LIVE PLC Questions And Answers November 14th, 2018, 08:33 AM
Replies: 12
Views: 350
Posted By JohnCalderwood
I had that last week, where a rung in the program...

I had that last week, where a rung in the program got an unknown instruction.
Only found it when trying to edit the program elsewhere and it gave me an error, but it was also showing "no edits" when...
Forum: LIVE PLC Questions And Answers November 14th, 2018, 08:30 AM
Replies: 36
Views: 1,298
Posted By JohnCalderwood
You also get the pedestrians crossing the road...

You also get the pedestrians crossing the road whilst engrossed in reading or writing to their phone.

Just last week I was driving into a supermarket carpark and this lassie was head down...
Forum: LIVE PLC Questions And Answers November 14th, 2018, 03:59 AM
Replies: 19
Views: 643
Posted By JohnCalderwood
Good luck with the new position. I came into...

Good luck with the new position.

I came into this role with a similar task just over 5 years ago. No handover from previous people and backups etc all over the place.
SLC, PLC5, CLX PLCs, network...
Forum: LIVE PLC Questions And Answers November 13th, 2018, 11:29 AM
Replies: 8
Views: 157
Posted By JohnCalderwood
Yeah, thanks George, did think there was...

Yeah, thanks George, did think there was something unusual about V21, but did not search for the detailed explanation....
Forum: LIVE PLC Questions And Answers November 13th, 2018, 09:27 AM
Replies: 8
Views: 157
Posted By JohnCalderwood
If the controller is V21.011, then yes you will...

If the controller is V21.011, then yes you will need V21.00,
so uninstall V21.03 and then install V21.00, reinstall V21.03....
Forum: LIVE PLC Questions And Answers November 13th, 2018, 08:58 AM
Replies: 8
Views: 157
Posted By JohnCalderwood
Only thing I could see were versions 21.00 and...

Only thing I could see were versions 21.00 and 21.03 in the download section of Studio5000.....
Did you install both of these?
Forum: LIVE PLC Questions And Answers November 13th, 2018, 03:57 AM
Replies: 9
Views: 295
Posted By JohnCalderwood
Other folk have answered the whys and wherefores...

Other folk have answered the whys and wherefores of how to translate the code...

But the visual appearance of the rungs are set in the PLC5 software, hence the B28 is above the line and the N21:31...
Forum: LIVE PLC Questions And Answers November 12th, 2018, 08:08 AM
Replies: 20
Views: 808
Posted By JohnCalderwood
Queensland sounds ideal, I have family and...

Queensland sounds ideal, I have family and friends there....



But to get back to the original post.......there are jobs around for the right applicant.
You don't say what part of the EC&I...
Forum: LIVE PLC Questions And Answers November 9th, 2018, 05:55 AM
Replies: 21
Views: 803
Posted By JohnCalderwood
Screenshots as jpg files should come through. ...

Screenshots as jpg files should come through.

But the DNT file will be interesting.
On the Logix5000 hardware tree, where the 1756-DNB is listed, if you right-click onto properties, and the...
Forum: LIVE PLC Questions And Answers November 7th, 2018, 10:49 AM
Replies: 18
Views: 689
Posted By JohnCalderwood
Aye, but what got me when I was there, was that...

Aye, but what got me when I was there, was that the article is true...

You could buy/use any sockets, especially the multi-gang ones, and they would take any of 3 or 4 types of plug, including the...
Forum: LIVE PLC Questions And Answers November 7th, 2018, 10:20 AM
Replies: 18
Views: 689
Posted By JohnCalderwood
http://www.china-expats.com/DIY_Electrics.htm ...

http://www.china-expats.com/DIY_Electrics.htm

this may explain a few things.....:hmmm:
Forum: LIVE PLC Questions And Answers November 7th, 2018, 09:48 AM
Replies: 18
Views: 689
Posted By JohnCalderwood
I last worked in building and commissioning a...

I last worked in building and commissioning a factory in China in 2002......the wiring standards were virtually non-existent then........."do what you like to make it work" then...
Forum: LIVE PLC Questions And Answers November 6th, 2018, 03:39 AM
Replies: 4
Views: 148
Posted By JohnCalderwood
if it is the 1771-IFE, there are jumpers under...

if it is the 1771-IFE, there are jumpers under the cover that are used to set the channels to either voltage or current. There is a guide printed on the card/circuit board, and it is straightforward.
Forum: LIVE PLC Questions And Answers November 2nd, 2018, 04:22 AM
Replies: 3
Views: 215
Posted By JohnCalderwood
Looking in my Win7 laptop, the projects were...

Looking in my Win7 laptop, the projects were loaded in Libraries\documents\CCW or through Users\MyDocuments

Just where you would not expect them to be.............
Forum: LIVE PLC Questions And Answers October 30th, 2018, 04:24 AM
Replies: 16
Views: 7,231
Posted By JohnCalderwood
An analog value is just that...............an...

An analog value is just that...............an analog value - usually displayed and used as an integer.

Sounds like you are trying to do something clever with the value of the analog input - can we...
Forum: LIVE PLC Questions And Answers October 30th, 2018, 04:17 AM
Replies: 3
Views: 181
Posted By JohnCalderwood
Welcome to the forum....there are still some of...

Welcome to the forum....there are still some of us that use the PLC5 regularly....!!

Defo, the 1771-IFE was always quite straightforward for scaling.

Find the Block Transfer instructions, and...
Forum: LIVE PLC Questions And Answers October 29th, 2018, 09:39 AM
Replies: 3
Views: 275
Posted By JohnCalderwood
+1 to that, but I also discovered from a...

+1 to that,

but I also discovered from a Rockwell engineer who came to assist on a similar issue, that
1) if the 24V DC power supply is not "devicenet" standard, then you could have nodes...
Forum: LIVE PLC Questions And Answers October 26th, 2018, 04:51 AM
Replies: 1
Views: 116
Posted By JohnCalderwood
It is as easy as stating how many you have...

It is as easy as stating how many you have connected....
If you put more in as an advance, will it give you a warning/error? not sure...

And you can add more afterwards if you require new...
Forum: LIVE PLC Questions And Answers October 24th, 2018, 10:33 AM
Replies: 9
Views: 430
Posted By JohnCalderwood
And then you would fit an auxiliary contact and...

And then you would fit an auxiliary contact and wire that back to a PLC digital input to give the status of the contactor.............
Forum: LIVE PLC Questions And Answers October 23rd, 2018, 07:57 AM
Replies: 7
Views: 183
Posted By JohnCalderwood
If I remember correctly, if you add hardware...

If I remember correctly, if you add hardware without the correct program configuration, the PLC will fault. I know there was one where I wanted to test the PLC without installing the I/O hardware...
Showing results 1 to 25 of 500

 
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