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Search: Posts Made By: milmat1
Forum: LIVE PLC Questions And Answers October 22nd, 2018, 04:11 PM
Replies: 15
Views: 616
Posted By milmat1
All Great replies, Thank You.. So if I...

All Great replies, Thank You..


So if I add a switch, I can treat it as a repeater / extender ?


Also, I can switch over to fiber for the longer main backbone, so to speak..
Forum: LIVE PLC Questions And Answers October 22nd, 2018, 09:48 AM
Replies: 15
Views: 616
Posted By milmat1
Network cABLE LENGTH ?

I understand that 10/100 Ethernet recommends a max cable run of 100M (328ft).

With something like industrial Ethernet IP, Does this still hold true ?
And how do I extend this cable run say to...
Forum: LIVE PLC Questions And Answers October 11th, 2018, 03:34 PM
Replies: 9
Views: 463
Posted By milmat1
Great Choices !!

Great Choices !!
Forum: LIVE PLC Questions And Answers October 10th, 2018, 02:14 PM
Replies: 15
Views: 450
Posted By milmat1
Yes L1 L2 & L3 are the supply conductors / 480V...

Yes L1 L2 & L3 are the supply conductors / 480V 3PH.





After investigating this today. You are exactly right. Thank You !
It appears I have a 2 speed constant HP Consequent winding motor....
Forum: LIVE PLC Questions And Answers October 10th, 2018, 09:50 AM
Replies: 15
Views: 450
Posted By milmat1
480V/3PH/ dual speed motor contactor

I have an old turret lathe, it has a dual speed motor operated by an old Square-D NEMA1 contactor, which have failed.


The original contactor (starter) has 9 contacts for motor leads.

Low...
Forum: LIVE PLC Questions And Answers October 3rd, 2018, 11:56 AM
Replies: 9
Views: 463
Posted By milmat1
Thank You ! This is the type of info I am...

Thank You !
This is the type of info I am looking for. I seem to get bitten on the rear end with every project because of this lack of communications...
Forum: LIVE PLC Questions And Answers October 3rd, 2018, 10:49 AM
Replies: 9
Views: 463
Posted By milmat1
Help with spec sheet ??

My friends,
I would like your suggestions here. I am developing a spec sheet to be filled out by the sales / mechanical dept. The purpose is to get me the information I need to properly design...
Forum: LIVE PLC Questions And Answers April 16th, 2018, 10:10 AM
Replies: 11
Views: 986
Posted By milmat1
All good answers, Thank you.. My suggestion...

All good answers, Thank you..

My suggestion that we simply need clean water didnt go over well. So I'm still digging. The one thing I pointed out is the fact that we are using a very cheap sol...
Forum: LIVE PLC Questions And Answers April 13th, 2018, 03:51 PM
Replies: 11
Views: 986
Posted By milmat1
Electrically operated valves ?

I have an application where a standard solenoid valve is not working. Mainly due to fragments of dirt getting into them and holding them open. I need something that is positive opening / closing.
...
Forum: LIVE PLC Questions And Answers March 13th, 2018, 10:54 AM
Replies: 19
Views: 3,430
Posted By milmat1
This same issue has gone on for the life of this...

This same issue has gone on for the life of this machine. Chasing noise / positioning errors etc. Once again it is presenting severe inaccuracy. The onsite tech has moved some grounds around,...
Forum: LIVE PLC Questions And Answers March 5th, 2018, 08:47 AM
Replies: 5
Views: 743
Posted By milmat1
This is about what I had decided to do, Thanks......

This is about what I had decided to do, Thanks...


That is what they are doing. guarding an area where the operator is very close to a hazard. However if tripped they will kill my main safety...
Forum: LIVE PLC Questions And Answers February 27th, 2018, 01:00 PM
Replies: 5
Views: 743
Posted By milmat1
Safety Switch Nomenclature

Folks,
On a machine, I have some safety bumper switches placed so an operator can bump them with his arm and it forces an ESTOP condition.
I need to label these safety switches (on the machine),...
Forum: LIVE PLC Questions And Answers January 4th, 2018, 01:45 PM
Replies: 14
Views: 619
Posted By milmat1
I have requested that they define "Internal flaw"...

I have requested that they define "Internal flaw" what does that mean ?
If its just a void they are concerned with I could simply weigh the piece. I cant imagine a void making it through the kiln...
Forum: LIVE PLC Questions And Answers January 4th, 2018, 09:01 AM
Replies: 14
Views: 619
Posted By milmat1
It appears that eddy current NDT is mainly used...

It appears that eddy current NDT is mainly used to inspect the inside of a bore tube or hollow shaft etc. As the probe is inserted into the DUT...
Forum: LIVE PLC Questions And Answers January 3rd, 2018, 02:48 PM
Replies: 14
Views: 619
Posted By milmat1
Yep ! Literally a brick. But its a type of...

Yep !
Literally a brick. But its a type of firebrick. Very uniform smooth and clean, straight from the kiln..

I though we would pick it with a robot and present it to an inspection camera for the...
Forum: LIVE PLC Questions And Answers January 3rd, 2018, 01:29 PM
Replies: 14
Views: 619
Posted By milmat1
Internal Flaw detection ???

Hey friends,

I want to see if anyone has any experience with internal defect / flaw detection.

I have an application where we will pick and place product and during the process we must...
Forum: LIVE PLC Questions And Answers March 1st, 2017, 02:19 PM
Replies: 18
Views: 3,068
Posted By milmat1
which gets back to my original statement, which I...

which gets back to my original statement, which I was hoping to verify. We simply haven't got enough HP to begin with.
Yes we could change the gearbox and get the motor in a happier spot on the RPM...
Forum: LIVE PLC Questions And Answers March 1st, 2017, 02:15 PM
Replies: 18
Views: 3,068
Posted By milmat1
That is an excellent explanation !! Thank You !!

That is an excellent explanation !!
Thank You !!
Forum: LIVE PLC Questions And Answers February 21st, 2017, 03:57 PM
Replies: 18
Views: 3,068
Posted By milmat1
https://www.baldorvip.com/Drawing/ACPerformance?pr...

https://www.baldorvip.com/Drawing/ACPerformance?productNumber=IDWNM3707T&url=http%3a%2f%2fwebapps.baldor.abb.com%2fEngData%2fPERF%2f00000%2f096.pdf


VERY INTERESTING !!!
Forum: LIVE PLC Questions And Answers February 21st, 2017, 03:37 PM
Replies: 18
Views: 3,068
Posted By milmat1
That is impressive. My understanding is stretched...

That is impressive. My understanding is stretched on this myself. I mean I understand power and I understand HP is a function of velocity and force. (RPM - Torque). So to maintain the torque without...
Forum: LIVE PLC Questions And Answers February 21st, 2017, 03:29 PM
Replies: 18
Views: 3,068
Posted By milmat1
I started out if V/F control in my original...

I started out if V/F control in my original setup. When we started having this issue I worked with Yaskawa and we tried both. And he (Yaskawa tech) Ran me through several different sets of parameter...
Forum: LIVE PLC Questions And Answers February 21st, 2017, 02:42 PM
Replies: 18
Views: 3,068
Posted By milmat1
VFD / Motor experts, O.L. Faults on Yaskawa V1000

I have an application where I have a 5HP TEFC Baldor running open loop from a Yaskawa V1000 drive.
At times due to environmental changes the motor slows to as low as 14Hz trying to maintain the...
Forum: LIVE PLC Questions And Answers February 2nd, 2017, 09:31 AM
Replies: 28
Views: 3,750
Posted By milmat1
OK, I think this is starting to sink in, It...

OK, I think this is starting to sink in, It doesn't matter when the peak demand occurs only the level of that demand for a given period. If I do a basic survey of our power usage, listing the loads...
Forum: LIVE PLC Questions And Answers February 1st, 2017, 12:40 PM
Replies: 28
Views: 3,750
Posted By milmat1
Thanks, So if I'm understanding the demand...

Thanks,
So if I'm understanding the demand charge correctly it could actually be better that they start up everything in the morning Before everything else in the plant is running ??
Forum: LIVE PLC Questions And Answers February 1st, 2017, 10:08 AM
Replies: 28
Views: 3,750
Posted By milmat1
That is a well thought out explanation, And...

That is a well thought out explanation, And really puts it into the proper perspective.

THANK YOU !!

I am somewhat confused by the statement below,

With the demand causing the voltage drop,...
Showing results 1 to 25 of 175

 
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