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Search: Posts Made By: Bit_Bucket_07
Forum: LIVE PLC Questions And Answers Today, 09:03 AM
Replies: 1
Views: 124
Posted By Bit_Bucket_07
I'm not familiar with using desklock, but I did...

I'm not familiar with using desklock, but I did find an old thread here that might be helpful.

http://www.plctalk.net/qanda/showthread.php?p=785334
Forum: LIVE PLC Questions And Answers November 25th, 2020, 11:27 AM
Replies: 8
Views: 422
Posted By Bit_Bucket_07
Happy Thanksgiving!

Happy Thanksgiving!
Forum: LIVE PLC Questions And Answers November 24th, 2020, 05:10 PM
Replies: 13
Views: 634
Posted By Bit_Bucket_07
Circuit breakers and fuses both have trip curves...

Circuit breakers and fuses both have trip curves that represent how they will react to amperage values over time.

https://www.c3controls.com/white-paper/understanding-trip-curves/
...
Forum: LIVE PLC Questions And Answers November 24th, 2020, 03:03 PM
Replies: 10
Views: 525
Posted By Bit_Bucket_07
+1

+1
Forum: LIVE PLC Questions And Answers November 22nd, 2020, 04:14 PM
Replies: 2
Views: 324
Posted By Bit_Bucket_07
Exposing the unknown sensor to a container of ice...

Exposing the unknown sensor to a container of ice water and a container of boiling water would give you two data points to work with.
Forum: LIVE PLC Questions And Answers November 21st, 2020, 07:29 PM
Replies: 2
Views: 304
Posted By Bit_Bucket_07
If you can identify which devices are connected...

If you can identify which devices are connected to which IO points, then you can reverse engineer the documentation from that.
Forum: LIVE PLC Questions And Answers November 18th, 2020, 08:24 AM
Replies: 14
Views: 762
Posted By Bit_Bucket_07
Just to be clear, you changed out the module,...

Just to be clear, you changed out the module, right?

You didn't simply change the configuration and leave the same module in the slot?
Forum: LIVE PLC Questions And Answers November 13th, 2020, 12:27 PM
Replies: 11
Views: 608
Posted By Bit_Bucket_07
Yes, I've definitely seen inputs damaged by (for...

Yes, I've definitely seen inputs damaged by (for example) limit switch input circuits. This can be caused by lightning or short circuits inside of conduits.

I remember one plant in particular that...
Forum: LIVE PLC Questions And Answers October 27th, 2020, 08:36 PM
Replies: 2
Views: 325
Posted By Bit_Bucket_07
This link might have some useful information:...

This link might have some useful information: https://www.automationdirect.com/videos/video?videoToPlay=MEhlU0iBzxg
Forum: LIVE PLC Questions And Answers October 22nd, 2020, 11:25 PM
Replies: 11
Views: 1,253
Posted By Bit_Bucket_07
Yes, I know. The result is 2.88 Watts either way.

Yes, I know. The result is 2.88 Watts either way.
Forum: LIVE PLC Questions And Answers October 22nd, 2020, 12:24 PM
Replies: 11
Views: 1,253
Posted By Bit_Bucket_07
I'd need to know the mA value of your PLC output...

I'd need to know the mA value of your PLC output leakage current, the impedance of the SSR input and the minimum on-state voltage of the SSR input in order to calculate the ideal value of the...
Forum: LIVE PLC Questions And Answers October 10th, 2020, 11:56 PM
Replies: 11
Views: 1,253
Posted By Bit_Bucket_07
Leakage current is common on triac outputs. A...

Leakage current is common on triac outputs. A ceramic resistor in parallel with your load will pull the voltage down and dissipate the heat.
...
Forum: LIVE PLC Questions And Answers October 9th, 2020, 10:26 PM
Replies: 14
Views: 1,214
Posted By Bit_Bucket_07
Just pull a few spare cables and you'll probably...

Just pull a few spare cables and you'll probably be covered. No need to over-engineer it. Distance is not a legitimate reason for concern in this application.
Forum: LIVE PLC Questions And Answers October 6th, 2020, 05:13 PM
Replies: 14
Views: 1,257
Posted By Bit_Bucket_07
Wow! I'm impressed. Those were some really...

Wow! I'm impressed.

Those were some really good and informative answers from you guys.
Forum: LIVE PLC Questions And Answers October 2nd, 2020, 01:12 PM
Replies: 35
Views: 3,955
Posted By Bit_Bucket_07
+1 I was going to mention this myself.

+1

I was going to mention this myself.
Forum: LIVE PLC Questions And Answers October 2nd, 2020, 09:11 AM
Replies: 35
Views: 3,955
Posted By Bit_Bucket_07
I remember that article, and many others like it....

I remember that article, and many others like it. People have been predicting the death of the PLC for decades.
Forum: LIVE PLC Questions And Answers September 15th, 2020, 12:31 PM
Replies: 7
Views: 748
Posted By Bit_Bucket_07
+1

+1
Forum: LIVE PLC Questions And Answers September 14th, 2020, 10:40 PM
Replies: 7
Views: 748
Posted By Bit_Bucket_07
Strictly speaking, it would work. I've seen it...

Strictly speaking, it would work. I've seen it done, but I'd never design or build a panel wired that way. It's an invitation to confusion for anyone who has to work on the system later.
Forum: LIVE PLC Questions And Answers September 12th, 2020, 08:06 PM
Replies: 13
Views: 1,589
Posted By Bit_Bucket_07
You are aware that in AB, a one-shot is not an...

You are aware that in AB, a one-shot is not an output instruction, as it is in some other PLCs?
Forum: LIVE PLC Questions And Answers September 11th, 2020, 01:13 PM
Replies: 17
Views: 1,802
Posted By Bit_Bucket_07
Yes, that one would work. I've encountered a few...

Yes, that one would work. I've encountered a few instruments over the years that required an isolation transmitter for connection to a PLC analog input.
Forum: LIVE PLC Questions And Answers September 11th, 2020, 09:52 AM
Replies: 17
Views: 1,802
Posted By Bit_Bucket_07
Sounds like you need an isolation transmitter...

Sounds like you need an isolation transmitter then.

Does the analog input work with a test signal as well?
Forum: LIVE PLC Questions And Answers September 10th, 2020, 10:19 PM
Replies: 14
Views: 1,260
Posted By Bit_Bucket_07
No. "Manual" literally means "by hand". HOA...

No. "Manual" literally means "by hand".

HOA is the most common template I've encountered for such a selector switch, but HOA can mean different things in different applications. I've seen systems...
Forum: LIVE PLC Questions And Answers September 10th, 2020, 08:27 PM
Replies: 13
Views: 1,589
Posted By Bit_Bucket_07
Which is why you toggle the bit each day. ...

Which is why you toggle the bit each day.

OFF = Run Pump 1
ON = Run Pump 2

The one-shot will tell you when to start a pump and the toggle bit will tell you which pump to start.
Forum: LIVE PLC Questions And Answers September 9th, 2020, 07:36 PM
Replies: 17
Views: 1,802
Posted By Bit_Bucket_07
I don't understand why you're trying to tie your...

I don't understand why you're trying to tie your power and signal wires together. Power up the instrument and connect the + & - signal wires to IN0 and Common, as you would with any 4 wire...
Forum: LIVE PLC Questions And Answers September 9th, 2020, 11:56 AM
Replies: 6
Views: 707
Posted By Bit_Bucket_07
Absolutely. You saw it with your own eyes and you...

Absolutely. You saw it with your own eyes and you still don't believe it?
Showing results 1 to 25 of 500

 
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