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Search: Posts Made By: mylespetro
Forum: LIVE PLC Questions And Answers October 18th, 2020, 10:05 AM
Replies: 2
Views: 196
Posted By mylespetro
Swapped the power module and it autotuned...

Swapped the power module and it autotuned successfully. Not sure what the issue was, will contact my local AB drive rep and see if he’s seen the issue before.
Forum: LIVE PLC Questions And Answers October 17th, 2020, 04:17 PM
Replies: 2
Views: 196
Posted By mylespetro
Powerflex 525 F080 Autotune Failure anomaly?

Hey everyone, ran into a strange issue trying to autotune a motor using a PF525. For context, there's an enclosure with two 525s in it, controlling two motors with identical nameplate data:

575V,...
Forum: LIVE PLC Questions And Answers October 14th, 2020, 04:27 PM
Replies: 15
Views: 527
Posted By mylespetro
Disconnect is located on an enclosure immediately...

Disconnect is located on an enclosure immediately adjacent, and as I stated above they do have a strict LOTO procedure. I misunderstood that they would ever have people working on the belt with the...
Forum: LIVE PLC Questions And Answers October 14th, 2020, 03:16 PM
Replies: 15
Views: 527
Posted By mylespetro
Just leaving site now, drives are always...

Just leaving site now, drives are always de-energized under LOTO if anyone is working on the belt, as it should be. They only ever jog to inspect the belt visually when it is not being worked on....
Forum: LIVE PLC Questions And Answers October 14th, 2020, 12:42 PM
Replies: 15
Views: 527
Posted By mylespetro
The enclosures are just standard Hoffman...

The enclosures are just standard Hoffman enclosures (roughly 16"W x 24"H x 12"D) mounted on strut stands near each belt. Not any existing door switches at the moment.
Forum: LIVE PLC Questions And Answers October 14th, 2020, 11:50 AM
Replies: 15
Views: 527
Posted By mylespetro
There is a LOTO procedure, but they often need to...

There is a LOTO procedure, but they often need to jog the belt while doing maintenance to inspect it. Iíll mention to the guys that itís not a great idea and that they may want to look into other...
Forum: LIVE PLC Questions And Answers October 14th, 2020, 09:26 AM
Replies: 15
Views: 527
Posted By mylespetro
I figured that something along these lines might...

I figured that something along these lines might be the case. I was skeptical of having it inside, but wanted to see if anyone had any concrete info. I'll look into the keyed E-stops, that's a good...
Forum: LIVE PLC Questions And Answers October 14th, 2020, 08:47 AM
Replies: 15
Views: 527
Posted By mylespetro
Powerflex 525 STO button inside enclosure

Hey everyone, just want to preface my post by saying that I'm not knowledgeable/trained on machine safety in any way, but I'm installing some PF525s in place of some older AB drives on a boiler coal...
Forum: LIVE PLC Questions And Answers October 13th, 2020, 06:10 PM
Replies: 5
Views: 261
Posted By mylespetro
This is the most common place I've seen limit...

This is the most common place I've seen limit switches, both physical and induction prox switches. It's nice to not have to do any scaling or GEQ/LEQ in the PLC when one needs to be replaced...
Forum: LIVE PLC Questions And Answers October 3rd, 2020, 01:56 PM
Replies: 6
Views: 461
Posted By mylespetro
Great, I had suspected as much. Iíll also look...

Great, I had suspected as much. Iíll also look into the current/duty cycle thing, thatís a good catch. My understanding was that the majority of the time, the drives are running at around 30Hz, but...
Forum: LIVE PLC Questions And Answers October 3rd, 2020, 12:13 PM
Replies: 6
Views: 461
Posted By mylespetro
Overspeeding Powerflex 525

Hey everyone,

Working on a project replacing a whole bunch of various AB drives (1336, Powerflex 40 etc) with Powerflex 525s. The motors are 3HP on conveyors, so we had specified 3HP drives, but...
Forum: LIVE PLC Questions And Answers September 30th, 2020, 09:19 AM
Replies: 4
Views: 399
Posted By mylespetro
Yes, it definitely makes things simpler, I just...

Yes, it definitely makes things simpler, I just didn't want to comment for sure because I don't have any experience with the Safety ControlLogix controllers.
Forum: LIVE PLC Questions And Answers September 30th, 2020, 08:04 AM
Replies: 4
Views: 399
Posted By mylespetro
I think you may be able to add one controller to...

I think you may be able to add one controller to the I/O config of the other, but I'm fairly certain you don't need to do so to communicate using a message.


EDIT: Here's a good post about how to...
Forum: LIVE PLC Questions And Answers September 28th, 2020, 11:49 AM
Replies: 40
Views: 2,905
Posted By mylespetro
My understanding is that it depends on the...

My understanding is that it depends on the processor. For example, I believe older Allen-Bradley processors (PLC5, SLC etc) executed synchronously (top to bottom), whereas the newer Logix...
Forum: LIVE PLC Questions And Answers September 15th, 2020, 03:24 PM
Replies: 12
Views: 1,073
Posted By mylespetro
Pretty sure it does this when you click "Save"...

Pretty sure it does this when you click "Save" while online with the processor, does that not meet your requirements?
Forum: LIVE PLC Questions And Answers September 14th, 2020, 01:18 PM
Replies: 49
Views: 5,318
Posted By mylespetro
Someone forgot to put in a math overflow fault...

Someone forgot to put in a math overflow fault reset :huh:
Forum: LIVE PLC Questions And Answers September 14th, 2020, 12:47 PM
Replies: 49
Views: 5,318
Posted By mylespetro
Seems to be working for me at the moment

Seems to be working for me at the moment
Forum: LIVE PLC Questions And Answers September 11th, 2020, 09:16 AM
Replies: 26
Views: 1,909
Posted By mylespetro
Yeah, didn't mention that I knew that it was...

Yeah, didn't mention that I knew that it was supposed to be USB 3.0, but I've yet to find a device that will work in it. It hasn't worked since the computer was brand new. I've tried USB 3.0 thumb...
Forum: LIVE PLC Questions And Answers September 11th, 2020, 08:51 AM
Replies: 26
Views: 1,909
Posted By mylespetro
My work computer is an Asus and it's been...

My work computer is an Asus and it's been alright. Was really fast when I first got it in 2017 but it's not been fantastic the last year. My biggest gripe is that it only has one functioning USB...
Forum: LIVE PLC Questions And Answers September 10th, 2020, 08:18 AM
Replies: 3
Views: 461
Posted By mylespetro
Not experienced with servos, but my understanding...

Not experienced with servos, but my understanding is that Kinetix drives are specifically designed for servo control whereas the PowerFlex drives are for (non-servo) induction motor control.
Forum: LIVE PLC Questions And Answers September 2nd, 2020, 12:53 PM
Replies: 5
Views: 585
Posted By mylespetro
The Knowledge Base (KB) is part of Rockwell's...

The Knowledge Base (KB) is part of Rockwell's website. Some of it you need an active TechConnect contract to access.


EDIT: The specific KB page you're looking for is # QA22420 "F003 Power Loss...
Forum: LIVE PLC Questions And Answers August 26th, 2020, 12:41 PM
Replies: 4
Views: 546
Posted By mylespetro
Does that mean there's such thing as stand-down...

Does that mean there's such thing as stand-down comedy? :hmmm:
Forum: LIVE PLC Questions And Answers August 25th, 2020, 09:56 AM
Replies: 16
Views: 865
Posted By mylespetro
I think I ran into a similar issue, but mine was...

I think I ran into a similar issue, but mine was that the drives weren't showing up at all. Turns out the switch in the panel was a managed switch and required a restart before they showed up in...
Forum: LIVE PLC Questions And Answers August 20th, 2020, 07:49 AM
Replies: 8
Views: 646
Posted By mylespetro
I've seen this before with 1756-DHRIO cards, if...

I've seen this before with 1756-DHRIO cards, if you use it for Data Highway (as opposed to Remote I/O), it will come up with the little yellow triangle with the question mark inside of it but still...
Forum: LIVE PLC Questions And Answers August 19th, 2020, 09:11 AM
Replies: 8
Views: 646
Posted By mylespetro
I believe if they export the routines as .L5K...

I believe if they export the routines as .L5K files, you can import them with no issues as long as there were no unsupported instructions that they have access to with a 5069 that you don't with a...
Showing results 1 to 25 of 257

 
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