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Search: Posts Made By: brucechase
Forum: LIVE PLC Questions And Answers November 17th, 2015, 09:22 AM
Replies: 2
Views: 595
Posted By brucechase
It's been quite a few years (maybe 12??) but I...

It's been quite a few years (maybe 12??) but I had a fault like this and it was related to a remote rack. It was either the adapter module or the back plane on the remote rack - I am having a hard...
Forum: LIVE PLC Questions And Answers August 19th, 2015, 07:17 AM
Replies: 43
Views: 6,125
Posted By brucechase
You are talking a risk assessment vs a safety...

You are talking a risk assessment vs a safety device. I would still say that it is a safety device and should be treated as such. It should be safety rated, utilized dual contacts and go back to a...
Forum: LIVE PLC Questions And Answers August 18th, 2015, 02:48 PM
Replies: 43
Views: 6,125
Posted By brucechase
Well the guy whose arm was caught in a conveyor...

Well the guy whose arm was caught in a conveyor (due to a bad hand placement while tracking the belt) might disagree with you. A belt was used to stop the bleeding enough until the ambulance got...
Forum: LIVE PLC Questions And Answers August 18th, 2015, 02:44 PM
Replies: 33
Views: 4,419
Posted By brucechase
Guys like us - they had it made Those were...

Guys like us - they had it made

Those were the days


How'd I do?
Forum: LIVE PLC Questions And Answers September 7th, 2013, 10:22 AM
Replies: 38
Views: 5,110
Posted By brucechase
Agree with PeterW and Helliana. If you can...

Agree with PeterW and Helliana.

If you can not create gaps, then mount photoeyes on side of conveyor. You can use diffuse or retroreflective (if needed - but I would prefer diffuse) and set up...
Forum: LIVE PLC Questions And Answers June 19th, 2012, 03:01 PM
Replies: 24
Views: 3,847
Posted By brucechase
Thanks Lancie1, it isn't often I hear good job,...

Thanks Lancie1, it isn't often I hear good job, just when will the line be back running!
Forum: LIVE PLC Questions And Answers June 19th, 2012, 11:21 AM
Replies: 24
Views: 3,847
Posted By brucechase
As another different way to skin the cat..... ...

As another different way to skin the cat.....

What about installing a photoeye just past the brake (by an inch or so), when the next box is ready to be released, then release the brake by only...
Forum: LIVE PLC Questions And Answers June 18th, 2012, 12:43 PM
Replies: 20
Views: 2,399
Posted By brucechase
Well, I first saw this in 1998 and had (and might...

Well, I first saw this in 1998 and had (and might still have) an open case with AB on this. This was never solved at my previous employer. They even sent several top notch global techs to look at...
Forum: LIVE PLC Questions And Answers June 13th, 2012, 11:54 AM
Replies: 2
Views: 751
Posted By brucechase
Yes, you can, but you will lose communications...

Yes, you can, but you will lose communications when you do. Make sure you don't use a duplicate node address for DH+ or when you plug it back in you will have a problem. Also, if this changes the...
Forum: LIVE PLC Questions And Answers June 13th, 2012, 11:48 AM
Replies: 24
Views: 3,847
Posted By brucechase
If I was designing this, I would try to create a...

If I was designing this, I would try to create a gap between the 2 different conveyors (using a faster speed). Then install a photoeye at the brake. When the photoeye sees a gap and then a box,...
Forum: LIVE PLC Questions And Answers June 12th, 2012, 02:37 PM
Replies: 15
Views: 2,725
Posted By brucechase
Yes, short cycling power is detrimental to...

Yes, short cycling power is detrimental to drives, in my experience. I have seen this on mainly the older AB drives (which is mostly what I used).

What I've done is put the safety contactor on...
Forum: LIVE PLC Questions And Answers June 8th, 2012, 09:25 AM
Replies: 9
Views: 1,497
Posted By brucechase
Who informed you that you don't have to meet...

Who informed you that you don't have to meet current safety requirement?

Just the fact that you know the machine in inadequate as compared to current safety requirements suggests that you really...
Forum: LIVE PLC Questions And Answers June 4th, 2012, 01:47 PM
Replies: 17
Views: 2,795
Posted By brucechase
Actually if you go strictly by your circuit, then...

Actually if you go strictly by your circuit, then all you have to do is see which of the 4 relays is no longer energized. That is the one that will be the culprit.

As an example, if relays 3...
Forum: LIVE PLC Questions And Answers June 4th, 2012, 11:43 AM
Replies: 27
Views: 4,293
Posted By brucechase
Does it have an EEPROM?

Does it have an EEPROM?
Forum: LIVE PLC Questions And Answers June 4th, 2012, 11:18 AM
Replies: 20
Views: 3,141
Posted By brucechase
Wire nuts should be permanently banned IMHO. ...

Wire nuts should be permanently banned IMHO.

I like the burned backplane next to the drive. And the fact that all the wireway covers are probably laying in the bottom of the cabinet.
...
Forum: LIVE PLC Questions And Answers May 31st, 2012, 06:21 AM
Replies: 30
Views: 14,534
Posted By brucechase
OLD THREAD!!!! - Necroposting

Good advice, but 8 years after they asked for help. If they haven't opened it by now, I doubt they are still needing the help.
Forum: LIVE PLC Questions And Answers May 24th, 2012, 02:47 PM
Replies: 20
Views: 3,214
Posted By brucechase
Last company went to all SQI/SQO for controlling...

Last company went to all SQI/SQO for controlling the machine. There were hundreds and hundreds of inputs and outputs. The sequencers were cascaded to allow for that many I/O. Had to have a VERY...
Forum: LIVE PLC Questions And Answers May 24th, 2012, 08:37 AM
Replies: 8
Views: 2,361
Posted By brucechase
Why? If you are automating a machine and...

Why?

If you are automating a machine and need to verify outputs, then use the LED lights on the card. You really can't use LEDs for inputs, you need a physical device to change states that will...
Forum: LIVE PLC Questions And Answers May 24th, 2012, 08:29 AM
Replies: 5
Views: 2,852
Posted By brucechase
You can also look at diffuse photoeyes to sense...

You can also look at diffuse photoeyes to sense an object on a conveyor. This type of photoeye senses the light that bounces off the object to be sensed. There is no need for a reflector or a...
Forum: LIVE PLC Questions And Answers May 24th, 2012, 08:25 AM
Replies: 9
Views: 3,235
Posted By brucechase
So are you saying that as soon as the e-stop...

So are you saying that as soon as the e-stop pushbutton is pulled back out, the machine starts?
Forum: LIVE PLC Questions And Answers May 3rd, 2012, 10:20 AM
Replies: 2
Views: 871
Posted By brucechase
Do you have terminating resistors applied...

Do you have terminating resistors applied properly?
Forum: LIVE PLC Questions And Answers April 26th, 2012, 08:42 AM
Replies: 4
Views: 1,290
Posted By brucechase
I've used many miles of rope switches in the...

I've used many miles of rope switches in the past. There is no OSHA document that dictate the installation. I've mostly used AB Lifeline switches ( ...
Forum: LIVE PLC Questions And Answers April 18th, 2012, 02:57 PM
Replies: 22
Views: 3,669
Posted By brucechase
KNeland, don't be too upset with the suggestions...

KNeland, don't be too upset with the suggestions of conflict of interest. They are more trying to warn you about the pitfalls that some companies create for their employees who contract on the side...
Forum: LIVE PLC Questions And Answers April 18th, 2012, 02:00 PM
Replies: 27
Views: 6,372
Posted By brucechase
Ooops, of course Lancie1 is correct on the cable...

Ooops, of course Lancie1 is correct on the cable size. So much for memory.

The SCA number is the short circuit amps available. From what you've said, the utility provides almost 47KA. Running...
Forum: LIVE PLC Questions And Answers April 17th, 2012, 08:38 PM
Replies: 27
Views: 6,372
Posted By brucechase
You can use the 125A bucket to feed the panel. ...

You can use the 125A bucket to feed the panel. If I remember correctly, that should be a #4AWG (don't have my Ugly's here). You can then put a 100A or even lower as the Main in the panel.
...
Showing results 1 to 25 of 500

 
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