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Showing results 1 to 25 of 165
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Search: Posts Made By: Gomez_
Forum: LIVE PLC Questions And Answers June 8th, 2018, 04:36 PM
Replies: 16
Views: 816
Posted By Gomez_
Yeah if you have STO on the drive it makes things...

Yeah if you have STO on the drive it makes things much easier. I've had good luck with these: https://industrial.omron.us/en/media/CM_datasheet_en_201609_C42I-E-02_tcm849-113876.pdf
Forum: LIVE PLC Questions And Answers May 7th, 2018, 12:34 PM
Replies: 2
Views: 211
Posted By Gomez_
Open the Axis Properties under Drive Parameters,...

Open the Axis Properties under Drive Parameters, make sure anything you want is checked.

https://i.imgur.com/gksODt7.png
Forum: LIVE PLC Questions And Answers May 2nd, 2018, 05:11 PM
Replies: 7
Views: 434
Posted By Gomez_
The only thing I would add would be a moving...

The only thing I would add would be a moving average (MAVE), it would help with any noise or spikes in the reading.
Forum: LIVE PLC Questions And Answers May 1st, 2018, 05:12 PM
Replies: 9
Views: 910
Posted By Gomez_
Step 1 is converting the analog to a timer value...

Step 1 is converting the analog to a timer value you want. Here's how I scale tags between different ranges:

Slope = (Output_Min-Output_Max)/(Input_Min-Input_Max)
Out =...
Forum: LIVE PLC Questions And Answers May 1st, 2018, 12:32 PM
Replies: 13
Views: 649
Posted By Gomez_
aa) I would say the chill roll in your diagram is...

aa) I would say the chill roll in your diagram is the master roll, which should go at a constant line speed. All other rolls would trim to control tension.

cc) I don't see an encoder? I don't...
Forum: LIVE PLC Questions And Answers April 30th, 2018, 12:13 PM
Replies: 6
Views: 415
Posted By Gomez_
For the Alarms, you can filter which triggers to...

For the Alarms, you can filter which triggers to include for each list:

https://i.imgur.com/Py9hhxo.png

This is easier if you use combined alarm trigger words, that contain multiple alarm bits...
Forum: LIVE PLC Questions And Answers April 24th, 2018, 04:03 PM
Replies: 9
Views: 480
Posted By Gomez_
I've used some of these before:...

I've used some of these before: https://www.bannerengineering.com/us/en/products/accessories/vision-lighting/spot-lights.html#all
Forum: LIVE PLC Questions And Answers April 20th, 2018, 01:25 PM
Replies: 9
Views: 536
Posted By Gomez_
+1 For IFM The PT2424 or PT 2434 should work...

+1 For IFM

The PT2424 or PT 2434 should work for you.
https://www.ifm.com/products/us/ds/PT2424.htm
https://www.ifm.com/products/us/ds/PT2434.htm

They have NPT fittings for the process side.
Forum: LIVE PLC Questions And Answers April 17th, 2018, 07:11 PM
Replies: 23
Views: 771
Posted By Gomez_
You have the DN bit from the timer in front of...

You have the DN bit from the timer in front of the timer, it will never turn on.

The DN bit needs to be in the rung for making the door go down.
( IF start-button OR timer-done THEN go down )
Forum: LIVE PLC Questions And Answers April 17th, 2018, 05:21 PM
Replies: 23
Views: 771
Posted By Gomez_
Did you add the timer DN bit so that it can act...

Did you add the timer DN bit so that it can act like the close button?

Post a new screenshot of your file.
Forum: LIVE PLC Questions And Answers April 17th, 2018, 04:13 PM
Replies: 3
Views: 429
Posted By Gomez_
If you know the weight you can do a calculation....

If you know the weight you can do a calculation. What kind of load is it? IE a rotating roll, moving on a track, etc?

Also keep in mind that the inertia reflected through a gearbox is scaled by...
Forum: LIVE PLC Questions And Answers April 17th, 2018, 04:09 PM
Replies: 17
Views: 813
Posted By Gomez_
If there is only two connection points, that are...

If there is only two connection points, that are both the power and the switch, then the LED power is going through the switch. I suspect when you add the resistor, you will see a small amount of...
Forum: LIVE PLC Questions And Answers April 17th, 2018, 11:47 AM
Replies: 41
Views: 2,431
Posted By Gomez_
Sigh.... Is that real?

Sigh.... Is that real?
Forum: LIVE PLC Questions And Answers April 17th, 2018, 11:45 AM
Replies: 17
Views: 813
Posted By Gomez_
A resistor or a relay should work as long as it...

A resistor or a relay should work as long as it pulls enough power.
Forum: LIVE PLC Questions And Answers March 31st, 2018, 04:46 AM
Replies: 13
Views: 806
Posted By Gomez_
If the feeder circuit protection is 70A the #4...

If the feeder circuit protection is 70A the #4 wire is perfectly fine, but that is a different question than if the 70A protection is sized correctly. We would need much more information about the...
Forum: LIVE PLC Questions And Answers March 15th, 2018, 06:42 PM
Replies: 7
Views: 501
Posted By Gomez_
You can use indirect addressing to access an...

You can use indirect addressing to access an array like Array_Tag[Index_Tag], and then change what location you look at with other logic. I will also mention to be very careful about keeping the...
Forum: LIVE PLC Questions And Answers March 15th, 2018, 02:21 PM
Replies: 12
Views: 632
Posted By Gomez_
So if I'm reading this right you would use the...

So if I'm reading this right you would use the MAM at a faster speed to get to a staging position first, then you want to move at a slower speed to a variable position?

I would use the MAJ...
Forum: LIVE PLC Questions And Answers March 15th, 2018, 11:48 AM
Replies: 11
Views: 574
Posted By Gomez_
I agree with Ron, its because there are multiple...

I agree with Ron, its because there are multiple OTE instructions for the same tag. ( very bad practice imo ). The reason the OTE is green is because its only false for one rung, then goes back to...
Forum: LIVE PLC Questions And Answers March 14th, 2018, 11:33 AM
Replies: 12
Views: 632
Posted By Gomez_
Nightline is correct, this is the error for the...

Nightline is correct, this is the error for the servo being off. FYI when using the manual commands, your ladder logic can turn the servo right back off again.
Forum: LIVE PLC Questions And Answers March 14th, 2018, 11:30 AM
Replies: 6
Views: 348
Posted By Gomez_
If you want 3 separate buttons, use the...

If you want 3 separate buttons, use the "Interlocked" buttons. Each Button has a value to send to a common tag (0/1/2), and each button will change to the on state for its value.
Forum: LIVE PLC Questions And Answers March 14th, 2018, 11:25 AM
Replies: 3
Views: 319
Posted By Gomez_
Cross Reference works, you can also check which...

Cross Reference works, you can also check which bits have been used from digital IO when you make a new alias tag:

https://i.imgur.com/UaBw27u.png?1
Forum: LIVE PLC Questions And Answers March 13th, 2018, 02:58 PM
Replies: 12
Views: 632
Posted By Gomez_
I'm not super familiar with the homing stuff, but...

I'm not super familiar with the homing stuff, but I think the instruction you want is MRP. Its also possible there's a configuration in the axis for using an on-board input as a home.

As for the...
Forum: LIVE PLC Questions And Answers March 5th, 2018, 11:53 AM
Replies: 10
Views: 483
Posted By Gomez_
Yes if you want the advanced features of the 755...

Yes if you want the advanced features of the 755 you need a motion processor. For a small number of axis, I would use something like the 1769-L27ERM-QBFC1B. It gives you up to 4 motion axis, and some...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 01:08 PM
Replies: 16
Views: 587
Posted By Gomez_
You are mostly correct. It depends on the brand...

You are mostly correct. It depends on the brand and series, but for Allen-Bradley you can usually add more Ethernet cards to get more CIP connections. I'm sure there's also an upper limit for each...
Forum: LIVE PLC Questions And Answers February 16th, 2018, 12:38 PM
Replies: 16
Views: 587
Posted By Gomez_
In general, CIP connections are things you add to...

In general, CIP connections are things you add to your network tree, they send and receive info at regular intervals. (Implicit Messaging) Other things on the network that you might send a message to...
Showing results 1 to 25 of 165

 
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