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Search: Posts Made By: JohnCalderwood
Forum: LIVE PLC Questions And Answers Today, 08:08 AM
Replies: 18
Views: 427
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: 11
Views: 456
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: 15
Views: 458
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: 15
Views: 458
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: 15
Views: 458
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: 144
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: 209
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: 7,194
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: 177
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: 268
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: 107
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: 418
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: 175
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...
Forum: LIVE PLC Questions And Answers October 18th, 2018, 08:23 AM
Replies: 7
Views: 318
Posted By JohnCalderwood
So you will need 3 licences, and that will get...

So you will need 3 licences, and that will get you the latest version of each of the software packages.

These are of course, only on download, unless you pay extra for the DVD.

Logix 5 and 500,...
Forum: LIVE PLC Questions And Answers October 16th, 2018, 04:24 AM
Replies: 11
Views: 317
Posted By JohnCalderwood
We have a few Windows NT machines here that are...

We have a few Windows NT machines here that are now surplus, as we persuaded the management to upgrade....taken 5 1/2 years though since I arrived....even the last 2 DOS machines only went a year...
Forum: LIVE PLC Questions And Answers October 16th, 2018, 03:20 AM
Replies: 11
Views: 317
Posted By JohnCalderwood
Anything in the BIOS settings?

Anything in the BIOS settings?
Forum: LIVE PLC Questions And Answers October 2nd, 2018, 07:53 AM
Replies: 1
Views: 178
Posted By JohnCalderwood
I can see it under the install package of...

I can see it under the install package of Studio5000\26.01.00\\LogixDesigner\MP\RAE300

if you were to search your install download for V26.01.00........
Forum: LIVE PLC Questions And Answers September 28th, 2018, 07:43 AM
Replies: 12
Views: 429
Posted By JohnCalderwood
https://www.automation.com/library/white-papers/en...

https://www.automation.com/library/white-papers/enclosures-for-hazardous-areas-understanding-the-differences

depends what you are trying to do............
Forum: LIVE PLC Questions And Answers September 26th, 2018, 03:49 AM
Replies: 3
Views: 266
Posted By JohnCalderwood
is this a continuation of your previous post, or...

is this a continuation of your previous post, or is it something totally different?
Having a double post for the same problem is not helpful.

Whatever, you need to provide more information on...
Forum: LIVE PLC Questions And Answers September 25th, 2018, 05:42 AM
Replies: 3
Views: 232
Posted By JohnCalderwood
Without knowing more information than you have...

Without knowing more information than you have given, I would suggest that the PLC I/O not responding light is also flashing and the PLC cannot communicate with one or more of your I/O modules.
Forum: LIVE PLC Questions And Answers September 25th, 2018, 05:13 AM
Replies: 151
Views: 37,471
Posted By JohnCalderwood
Reading these recent ones reminds me of similar...

Reading these recent ones reminds me of similar ones...

Working at my first commissioning job in a new factory, I was learning off the electrical contractor's technician. Dealing with Starkstrom...
Forum: LIVE PLC Questions And Answers September 24th, 2018, 04:39 AM
Replies: 10
Views: 572
Posted By JohnCalderwood
Where I worked before (large manufacturing plant)...

Where I worked before (large manufacturing plant) we decided, when the workforce was going onto multi-skilling, that we would train our own guys in electrics, PLCs and control systems.

External...
Forum: LIVE PLC Questions And Answers September 21st, 2018, 10:47 AM
Replies: 1
Views: 301
Posted By JohnCalderwood
Depends what you are trying to achieve and how...

Depends what you are trying to achieve and how you can achieve it.

1) why add a pochle factor to an analog value in the first place? Lack of accuracy in the original value? Do you want to change...
Forum: LIVE PLC Questions And Answers September 21st, 2018, 10:31 AM
Replies: 21
Views: 1,125
Posted By JohnCalderwood
Has your customer said why he wants to change...

Has your customer said why he wants to change from Allen Bradley to Trio?

Will the Trio PLCs have the functionality that he requires - has he seen them in action somewhere else?

or is is a...
Forum: LIVE PLC Questions And Answers September 20th, 2018, 11:15 AM
Replies: 10
Views: 607
Posted By JohnCalderwood
https://compatibility.rockwellautomation.com/Pages...

https://compatibility.rockwellautomation.com/Pages/home.aspx

go to downloads and type in RSLogix 5000, and select V 20.04 to download.

Keep well clear of V20.01 and V20.03....well documented...
Showing results 1 to 25 of 500

 
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