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Search: Posts Made By: Ron Beaufort
Forum: LIVE PLC Questions And Answers Yesterday, 12:25 PM
Replies: 11
Views: 251
Posted By Ron Beaufort
excellent information from George - but here's a...

excellent information from George - but here's a small (but important) warning about replacing the battery on the SLC-5/05 ...

yes, it SHOULD work OK - but personally, I wouldn't bet the rent on...
Forum: LIVE PLC Questions And Answers December 11th, 2018, 07:06 PM
Replies: 4
Views: 155
Posted By Ron Beaufort
welcome to the forum ... first things first...

welcome to the forum ...

first things first ... are you able to "see" the processor in RSLinx? ... if you can, try Right-Clicking the processor in RSLinx - then go to Device Properties in the...
Forum: LIVE PLC Questions And Answers December 10th, 2018, 02:34 PM
Replies: 16
Views: 490
Posted By Ron Beaufort
going one step further ... that HMI...

going one step further ...



that HMI connection could represent a problem ...

in some cases, the Channel 0 (9-pin) port is set up by the installer as a "USER" port - rather than as a...
Forum: LIVE PLC Questions And Answers December 10th, 2018, 01:43 PM
Replies: 8
Views: 297
Posted By Ron Beaufort
welcome to the forum ... TIP: if you're...

welcome to the forum ...

TIP: if you're dealing with "high speed" operation on a CompactLogix system (not ControlLogix) then you need to be aware that the CompactLogix platform makes use of a...
Forum: LIVE PLC Questions And Answers December 3rd, 2018, 06:59 PM
Replies: 10
Views: 415
Posted By Ron Beaufort
if the processor is an SLC-5/01 ... or SLC-5/02...

if the processor is an SLC-5/01 ... or SLC-5/02 ... or SLC-5/03 ... then the RJ45 connector on the front is NOT (repeat NOT) an Ethernet connection ... it's Data Highway 485 - and it can blow up your...
Forum: LIVE PLC Questions And Answers December 2nd, 2018, 02:19 PM
Replies: 15
Views: 892
Posted By Ron Beaufort
more livestock in the news ... ...

more livestock in the news ...

https://www.foxnews.com/science/picture-of-muscle-bound-bull-sparks-steroid-debate

turns out it's not steroids (or so they say) ... this type is just born with...
Forum: LIVE PLC Questions And Answers November 30th, 2018, 01:00 PM
Replies: 17
Views: 883
Posted By Ron Beaufort
so what does this system control - and how dangerous is it? ...

yes, Ethernet is easier - and cheaper - to set up ...

but ...

personally I've never heard of an "offshore oil drilling platform" making use of Ethernet ... every one that I've ever run across...
Forum: LIVE PLC Questions And Answers November 29th, 2018, 02:42 PM
Replies: 4
Views: 148
Posted By Ron Beaufort
try closing (not minimizing) the window - then...

try closing (not minimizing) the window - then reopen it ... that usually fixes annoying little things like you're describing ...
Forum: LIVE PLC Questions And Answers November 29th, 2018, 02:29 PM
Replies: 4
Views: 148
Posted By Ron Beaufort
white can be modified (changed by YOU - from the...

white can be modified (changed by YOU - from the keyboard) ...

you can't change the grey ...
Forum: LIVE PLC Questions And Answers November 28th, 2018, 08:46 PM
Replies: 6
Views: 149
Posted By Ron Beaufort
most folks like 24VDC for training purposes...

most folks like 24VDC for training purposes because it's safer - but you have to have a power supply available ...

you can make the 120VAC "pretty safe" by wiring a 100 Watt incandescent lamp...
Forum: LIVE PLC Questions And Answers November 28th, 2018, 06:11 PM
Replies: 6
Views: 149
Posted By Ron Beaufort
like Mike_RH said ... you'll be much better...

like Mike_RH said ...

you'll be much better off just getting a regular input module - and building a "test set" yourself ... wall switches cost about $0.59 at Lowes ... nail a handful to a piece...
Forum: LIVE PLC Questions And Answers November 26th, 2018, 02:05 PM
Replies: 16
Views: 407
Posted By Ron Beaufort
where did you read that? ... it's TECHNICALLY...

where did you read that? ... it's TECHNICALLY correct – but it's leaving out the "rest of the story" ...

when the processor is put back into the Run mode, then the ACC – and the EN bit – and the...
Forum: LIVE PLC Questions And Answers November 26th, 2018, 12:43 PM
Replies: 18
Views: 542
Posted By Ron Beaufort
a recent thread about MVM ... ...

a recent thread about MVM ...

http://www.plctalk.net/qanda/showthread.php?p=798794&postcount=1

cut to the chase ...

http://www.plctalk.net/qanda/showthread.php?p=52885&postcount=10
Forum: LIVE PLC Questions And Answers November 26th, 2018, 12:37 PM
Replies: 18
Views: 542
Posted By Ron Beaufort
it's usually just a letter that's assigned to a...

it's usually just a letter that's assigned to a LBL (Label) or a matching JMP (Jump) instruction ..

you wouldn't be able to "tie" a comment/description to a simple NUMBER - so the software uses...
Forum: LIVE PLC Questions And Answers November 26th, 2018, 12:19 PM
Replies: 18
Views: 542
Posted By Ron Beaufort
on the Usage Table - do you see an "F" or a "W"...

on the Usage Table - do you see an "F" or a "W" at the left end of the word? ...
Forum: LIVE PLC Questions And Answers November 26th, 2018, 11:52 AM
Replies: 13
Views: 375
Posted By Ron Beaufort
a CTU counter is the wrong tool for this test ......

a CTU counter is the wrong tool for this test ...



because a CTU counter has a CU (Count Up) bit – which is always SET to a value of ONE by the processor's PRE-SCAN operation ... that prevents...
Forum: LIVE PLC Questions And Answers November 26th, 2018, 11:38 AM
Replies: 13
Views: 375
Posted By Ron Beaufort
no ... how do you know it's not...

no ...




how do you know it's not working? ... if you're counting on the instruction to turn "green on the screen" then that's not a good way to tell ...

try putting in a new...
Forum: LIVE PLC Questions And Answers November 23rd, 2018, 06:58 AM
Replies: 6
Views: 319
Posted By Ron Beaufort
you don't get rid of them - they are valid and...

you don't get rid of them - they are valid and have to stay ...

TIP: the "I" tags aren't really "inputs" the way that most people think they are ... they're more like an "echo" to send something...
Forum: LIVE PLC Questions And Answers November 20th, 2018, 03:11 PM
Replies: 12
Views: 280
Posted By Ron Beaufort
the illustration's not "silly" - if it helps you...

the illustration's not "silly" - if it helps you remember the facts ...

I've got students from years ago who tell me that they still remember - and use - some of my "silly" statements like:

go...
Forum: LIVE PLC Questions And Answers November 20th, 2018, 12:53 PM
Replies: 12
Views: 280
Posted By Ron Beaufort
back to the present OP's simple question in his...

back to the present OP's simple question in his Post #2 ...



the answer is: "you'll get a 1 in the Destination bit" ...



well, that depends ...
Forum: LIVE PLC Questions And Answers November 12th, 2018, 12:05 PM
Replies: 10
Views: 299
Posted By Ron Beaufort
check your aim ...

in some cases you're right-clicking the INSTRUCTION (XIC, OTE, etc.) - and not the TAGNAME which is located "over" the instruction ...

in Boot Camp talk - you're shooting the HORSE - and you...
Forum: LIVE PLC Questions And Answers November 8th, 2018, 04:32 PM
Replies: 22
Views: 1,159
Posted By Ron Beaufort
you have to ZIP the files before you can attach...

you have to ZIP the files before you can attach them to the forum post ... that's just a rule that the forum has ...
Forum: LIVE PLC Questions And Answers November 7th, 2018, 10:58 AM
Replies: 5
Views: 276
Posted By Ron Beaufort
since this is a CompactLogix platform - you might...

since this is a CompactLogix platform - you might need to consider this ... it's a long shot - but it MIGHT be your issue ...

QUESTION - how many Tasks are you using - and what do you have their...
Forum: LIVE PLC Questions And Answers November 3rd, 2018, 09:07 AM
Replies: 23
Views: 1,041
Posted By Ron Beaufort
welcome to the forum ... I'm trying to be...

welcome to the forum ...

I'm trying to be helpful here - so PLEASE do not take this the wrong way ...



many programmers trying to migrate from the "computer" world to the "PLC" world have...
Forum: LIVE PLC Questions And Answers October 27th, 2018, 03:20 PM
Replies: 3
Views: 318
Posted By Ron Beaufort
can either you - or they - "see" the...

can either you - or they - "see" the controller/processor in RSLinx? ...

if RSLinx can "see" the controller/processor then right-click on it - and select "Properties" ... that should show you the...
Showing results 1 to 25 of 500

 
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