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Search: Posts Made By: Timeismoney08
Forum: LIVE PLC Questions And Answers February 7th, 2019, 11:03 AM
Replies: 23
Views: 610
Posted By Timeismoney08
I've never heard this before.

I've never heard this before.
Forum: LIVE PLC Questions And Answers February 7th, 2019, 11:02 AM
Replies: 23
Views: 610
Posted By Timeismoney08
You're lucky..Places I've worked at would have...

You're lucky..Places I've worked at would have fired you for getting shocked and never think twice about why green was used. haha.
Forum: LIVE PLC Questions And Answers February 7th, 2019, 09:06 AM
Replies: 23
Views: 610
Posted By Timeismoney08
Well, it seems nobody is consistent.. lol

Well, it seems nobody is consistent.. lol
Forum: LIVE PLC Questions And Answers February 7th, 2019, 08:27 AM
Replies: 23
Views: 610
Posted By Timeismoney08
Blue Terminal - 24V or 0V???

So we've run into an inconsistency between a few engineers that feel the blue terminals should be used for 24V or 0V distribution.

I know we don't have to use colors at all and there probably is...
Forum: LIVE PLC Questions And Answers February 5th, 2019, 10:53 AM
Replies: 4
Views: 190
Posted By Timeismoney08
Understood and thank you!

Understood and thank you!
Forum: LIVE PLC Questions And Answers February 5th, 2019, 10:25 AM
Replies: 4
Views: 190
Posted By Timeismoney08
Correct, I was saying if the application was...

Correct, I was saying if the application was killed immediately, all control power was dropped immediately and everything was setup as if the cell could be protected with everything outside of the...
Forum: LIVE PLC Questions And Answers February 5th, 2019, 09:47 AM
Replies: 4
Views: 190
Posted By Timeismoney08
Door Interlock Actuator - Safety Rated

If I have a cell where the doors are monitored with a sufficient level of guarding, is it required to run the locking signal to the door on a safety controller or relay?

I was thinking as long as...
Forum: LIVE PLC Questions And Answers January 24th, 2019, 09:30 AM
Replies: 12
Views: 528
Posted By Timeismoney08
So are you saying only PE's can figure out the...

So are you saying only PE's can figure out the SCCR or just only they can calculate the rating for the device itself?

I guess I should reword the question then... How do you go about finding the...
Forum: LIVE PLC Questions And Answers January 23rd, 2019, 11:40 AM
Replies: 12
Views: 528
Posted By Timeismoney08
Calculating SCCR for panels

Does anyone have any recommendations on how to calculate this and possibly any standards that show this formula or method?


Thank you!
Forum: LIVE PLC Questions And Answers January 10th, 2019, 06:05 PM
Replies: 6
Views: 620
Posted By Timeismoney08
I understand the problems that can occur and much...

I understand the problems that can occur and much prefer utilizing a new motor that is properly specified for the application, but I'm just curious how much people oversize motors for some...
Forum: LIVE PLC Questions And Answers January 10th, 2019, 04:43 PM
Replies: 6
Views: 620
Posted By Timeismoney08
-- Specifying motors - Torque or speed too high --

I have a question regarding some calculations I'm doing...

I find that most of our motors are around 1/2HP, so for some applications we may install one and gear it down to fit our needs.

What...
Forum: LIVE PLC Questions And Answers January 10th, 2019, 04:42 PM
Replies: 20
Views: 1,406
Posted By Timeismoney08
Specifying Motors - Over powered for application

I have a question regarding some calculations I'm doing...

I find that most of our motors are around 1/2HP, so for some applications we may install one and gear it down to fit our needs.

What...
Forum: LIVE PLC Questions And Answers January 9th, 2019, 08:27 AM
Replies: 6
Views: 436
Posted By Timeismoney08
Thank you for the replies. Am I safe to...

Thank you for the replies.

Am I safe to assume that atmospheric pressure will change the way pneumatic actuators move in our plant? I'm just thinking if we had an application where the actuator...
Forum: LIVE PLC Questions And Answers January 8th, 2019, 10:03 PM
Replies: 6
Views: 436
Posted By Timeismoney08
Atmospheric Pressure -- Actuator Calculations

Does anyone account for Atmospheric Pressure when specifying pneumatic actuators? Maybe it's dependent on how the plant air compressor measures it's pressure. If it's relative to atmospheric or if...
Forum: LIVE PLC Questions And Answers January 2nd, 2019, 09:23 AM
Replies: 3
Views: 357
Posted By Timeismoney08
Iec 61131-3 ?? What is it?

Hello and happy new year!

I would like to further understand who needs to design by this standard and is it a requirement for everyone or only those who list it as there design standards to a...
Forum: LIVE PLC Questions And Answers December 10th, 2018, 03:37 PM
Replies: 20
Views: 1,406
Posted By Timeismoney08
Understood, but what if the drive sprocket is...

Understood, but what if the drive sprocket is much smaller than the drive roller that it's connected to? I know the RPM is the same, but when I'm calculating Torque, do I go by the drive sprocket or...
Forum: LIVE PLC Questions And Answers November 16th, 2018, 06:55 AM
Replies: 20
Views: 1,406
Posted By Timeismoney08
Specifying Motors - RPM??

I was wondering how people go about picking the right motor and gearing combination.

If I need a 1/2hp motor and need to change the gearing to slow it down or speed it up, doesn't it change the...
Forum: LIVE PLC Questions And Answers October 31st, 2018, 11:09 AM
Replies: 21
Views: 947
Posted By Timeismoney08
Thanks for the feedback. I guess where I...

Thanks for the feedback.

I guess where I was confused, was if I remove the air via an air dump, the potential for harm is still there if something were to fall or move. So I wasn't sure if by...
Forum: LIVE PLC Questions And Answers October 31st, 2018, 09:48 AM
Replies: 21
Views: 947
Posted By Timeismoney08
I got it. I'm just trying to figure out should I...

I got it. I'm just trying to figure out should I drop all of the 24V completely and control reliably, or should I just turn off the outputs in a non-safety rated PLC?
Forum: LIVE PLC Questions And Answers October 31st, 2018, 08:01 AM
Replies: 21
Views: 947
Posted By Timeismoney08
I thought for open center or closed center...

I thought for open center or closed center valves, you just turned both solenoids off to get to the center. I guess I was wrong from what you guys are saying.

The question I have is when going...
Forum: LIVE PLC Questions And Answers October 30th, 2018, 08:27 PM
Replies: 21
Views: 947
Posted By Timeismoney08
Pneumatic Valves - Open Center/Closed center??

So how do you go about controlling the open center or open center valves? To get to that closed or open part, I assume you need to have both solenoids in the off state, so how do you typically design...
Forum: LIVE PLC Questions And Answers October 23rd, 2018, 10:39 AM
Replies: 6
Views: 470
Posted By Timeismoney08
Pushing on an arm that rotates the bearing and...

Pushing on an arm that rotates the bearing and part in the middle of the bearing.
Forum: LIVE PLC Questions And Answers October 22nd, 2018, 10:54 PM
Replies: 21
Views: 1,222
Posted By Timeismoney08
Soft Starter vs VFD

I've noticed a resurgence in Soft starters in custom Automation.

Besides them taking less space in a cabinet, are there any other pros and cons between the two?

Note: I know there are Ip67 VFD...
Forum: LIVE PLC Questions And Answers October 22nd, 2018, 10:28 PM
Replies: 6
Views: 470
Posted By Timeismoney08
Thank you for the help. The part is very...

Thank you for the help.

The part is very close to on center of the rotary motion. It's rotating on a bearing and connected on the outside of the OD and driven by a rod.

I'm comfortable...
Forum: LIVE PLC Questions And Answers October 22nd, 2018, 09:01 PM
Replies: 6
Views: 470
Posted By Timeismoney08
Torque Required - Physics Help

I have a small application where I need to spec out an actuator.

The load is 7kg and needs to move 90 degrees around a 1cm diameter in 1 second. What is the torque required to achieve this?
...
Showing results 1 to 25 of 233

 
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