You are not registered yet. Please click here to register!


 
 
plc storereviewsdownloads
This board is for PLC Related Q&A ONLY. Please DON'T use it for advertising, etc.
 
Try our online PLC Simulator- FREE.  Click here now to try it.

---------->>>>>Get FREE PLC Programming Tips

New Here? Please read this important info!!!


Go Back   PLCS.net - Interactive Q & A > Search Forums

Showing results 1 to 25 of 500
Search took 0.08 seconds.
Search: Posts Made By: GaryS
Forum: LIVE PLC Questions And Answers May 28th, 2020, 12:33 AM
Replies: 17
Views: 758
Posted By GaryS
A few things to think about when talking about...

A few things to think about when talking about any electric vehicle we need to look at the entire package

They need a good supply of electricity either from a powered rail or an overhead power...
Forum: LIVE PLC Questions And Answers May 26th, 2020, 04:06 PM
Replies: 6
Views: 372
Posted By GaryS
The reason there is no equivalent in the Logix...

The reason there is no equivalent in the Logix processor is that they are not necessary in the Logix processors.
In the SLC the IO is updated at the ends of the program scan
Update Input Table ...
Forum: LIVE PLC Questions And Answers May 22nd, 2020, 08:21 PM
Replies: 19
Views: 631
Posted By GaryS
it looks like a flasher to ,5 sec off and1 sec on

it looks like a flasher to ,5 sec off and1 sec on
Forum: LIVE PLC Questions And Answers May 20th, 2020, 12:03 PM
Replies: 19
Views: 958
Posted By GaryS
I would nee to see more details on your system ...

I would nee to see more details on your system
Electrical diagrams , Pneumatic diagrams, type of valves on each
are the valves standard cylinder control valves or just open close solenoid valves...
Forum: LIVE PLC Questions And Answers May 18th, 2020, 05:58 PM
Replies: 12
Views: 563
Posted By GaryS
Joaco993 I will try to answer your questions ...

Joaco993
I will try to answer your questions
Yes the ground is the return lead that can be AC, DC- or DC+ depending on your settings
It is connected to work while the power lead holds the...
Forum: LIVE PLC Questions And Answers May 18th, 2020, 02:07 PM
Replies: 12
Views: 563
Posted By GaryS
There is no end to the tales of problems with...

There is no end to the tales of problems with welders burning up electrical panels.
I know of one when the welder was repairing a pump casing in a sump put connected the ground to the discharge...
Forum: LIVE PLC Questions And Answers May 18th, 2020, 01:53 PM
Replies: 17
Views: 950
Posted By GaryS
Next you will proposing the embedded chip so they...

Next you will proposing the embedded chip so they can track you everywhere
No need for time clock the chip will log you i and out at the door

i may be old school but if you can't rust your...
Forum: LIVE PLC Questions And Answers May 18th, 2020, 01:47 PM
Replies: 9
Views: 428
Posted By GaryS
Here's what you need ...

Here's what you need

https://ingeardrivers.com/products/net-products/netlogix/

they also have a MDBUS version both work well
Forum: LIVE PLC Questions And Answers May 15th, 2020, 07:32 PM
Replies: 17
Views: 950
Posted By GaryS
Starting to sound more and more like big brother

Starting to sound more and more like big brother
Forum: LIVE PLC Questions And Answers May 12th, 2020, 11:23 PM
Replies: 6
Views: 421
Posted By GaryS
If you are making a change anyway why not change...

If you are making a change anyway why not change the drives to ethernet it's jus a card swap in the drive
I think it would be quicker and simpler to setup
Forum: LIVE PLC Questions And Answers May 11th, 2020, 12:56 PM
Replies: 41
Views: 1,923
Posted By GaryS
both sets of rolls need to run at the same...

both sets of rolls need to run at the same surface speed that's not going to change with the roll diameter what I think you are seeing is the lower friction from the smaller roll / less weight = less...
Forum: LIVE PLC Questions And Answers May 11th, 2020, 12:17 PM
Replies: 41
Views: 1,923
Posted By GaryS
if that's the setup then it simple the unwind...

if that's the setup then it simple the unwind rolls should follow the pinch rolls by a fixed ratio both would have the same surface speed = web speed
Just some things to watch out for.
the problem...
Forum: LIVE PLC Questions And Answers May 10th, 2020, 04:17 PM
Replies: 29
Views: 2,310
Posted By GaryS
“In the original case I stated, the contractor...

“In the original case I stated, the contractor who phased the building should get a crack on the noggin for not phasing it correctly or for even thinking that it didn't matter. It does. That's...
Forum: LIVE PLC Questions And Answers May 9th, 2020, 08:00 PM
Replies: 41
Views: 1,923
Posted By GaryS
To answer your question Accumulator are...

To answer your question
Accumulator are usually on the upstream side between the feed rolls and the process
I have never seen an accumulator on the downstream but anything is possible I guess...
Forum: LIVE PLC Questions And Answers May 9th, 2020, 03:18 PM
Replies: 25
Views: 1,279
Posted By GaryS
OkiePC I checked the link it must be very...

OkiePC
I checked the link
it must be very old document referring to SCR's in driver they are not used much anymore
everything now is IGBT's larger drives may still use Power Darlington...
Forum: LIVE PLC Questions And Answers May 9th, 2020, 03:07 PM
Replies: 41
Views: 1,923
Posted By GaryS
I looked at you video what you are talking about...

I looked at you video what you are talking about is just a simple unwinder not tension control at all.
The 3 rolls form a dancer control this dancer just controls the speed of the rubber pinch...
Forum: LIVE PLC Questions And Answers May 9th, 2020, 03:05 PM
Replies: 29
Views: 2,310
Posted By GaryS
I have had a Phase rotation meter for many years....

I have had a Phase rotation meter for many years. I like the AEMC over the Fluke but it’s just a personal choice.
The newer meters work better than the older ones.
I don’t use it much anymore I...
Forum: LIVE PLC Questions And Answers May 8th, 2020, 04:04 PM
Replies: 6
Views: 562
Posted By GaryS
In my opinion if I am controlling a motor with a...

In my opinion if I am controlling a motor with a plc then all of the control of that motor is from the plc
unless there is an overwhelming reason for local control. On vfd’s I do like to have the...
Forum: LIVE PLC Questions And Answers May 7th, 2020, 10:24 PM
Replies: 41
Views: 1,923
Posted By GaryS
Keith those examples are just babies compared...

Keith
those examples are just babies compared to what's out there
a double web unit is huge 2 to 3 block long 3 stories high the have their own substation to supply power just to the press
I...
Forum: LIVE PLC Questions And Answers May 7th, 2020, 08:49 PM
Replies: 41
Views: 1,923
Posted By GaryS
This is an accumulator Actually a slow speed...

This is an accumulator
Actually a slow speed one
I have worked on machines with accumulators with rolls that are 72” wide and weight about 10 tons
https://www.youtube.com/watch?v=9rErS94Tl8M...
Forum: LIVE PLC Questions And Answers May 7th, 2020, 05:24 PM
Replies: 41
Views: 1,923
Posted By GaryS
Rapid change is speed is not consistent with...

Rapid change is speed is not consistent with tension / torque control
so either the pinch rolls run at a fairly constant speed with slower speed change or they have a rapid speed change and not...
Forum: LIVE PLC Questions And Answers May 7th, 2020, 04:23 PM
Replies: 41
Views: 1,923
Posted By GaryS
We are not getting the whole picture on this...

We are not getting the whole picture on this there is way too much missing
I thought you were unwinding through the pinch rolls but the drawing dose not support that
The dancer does not control...
Forum: LIVE PLC Questions And Answers May 7th, 2020, 11:18 AM
Replies: 15
Views: 571
Posted By GaryS
Take the problems one at a time what processor...

Take the problems one at a time
what processor re you using it dose make a difference
one place you say you are using an SLC and 2 CompactLogix what is it
in SLC create 3 Binary tables of 250...
Forum: LIVE PLC Questions And Answers May 7th, 2020, 10:23 AM
Replies: 3
Views: 205
Posted By GaryS
if you are using Micrologix using RSlogix 500...

if you are using Micrologix using RSlogix 500 software and AOI is not available to you
they are only available in the Logix5000
you could create a subprogram with local tags and copy it for each...
Forum: LIVE PLC Questions And Answers May 7th, 2020, 10:16 AM
Replies: 15
Views: 571
Posted By GaryS
There are many ways to do what you need but...

There are many ways to do what you need
but your biggest problem is passing the data between processers
the ControlLogix PLC's can use produced and consumed tags but the SLC will need to either...
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -4. The time now is 08:34 AM.


.