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Search: Posts Made By: OkiePC
Forum: LIVE PLC Questions And Answers Today, 11:32 AM
Replies: 12
Views: 668
Posted By OkiePC
I'm getting old and my memories get a little...

I'm getting old and my memories get a little blurry sometimes...but I knew I read about it somewhere...

http://www.plctalk.net/qanda/showthread.php?t=35782
Forum: LIVE PLC Questions And Answers Today, 11:05 AM
Replies: 9
Views: 51
Posted By OkiePC
Okay, I just dug up an email I received from...

Okay, I just dug up an email I received from another seller of what looks like the same hardware. I had forgotten all about this. He is also a forum member. Our problem was with Windows 8 on a...
Forum: LIVE PLC Questions And Answers Today, 10:59 AM
Replies: 12
Views: 668
Posted By OkiePC
Sure it can. I think it can even read scattered...

Sure it can. I think it can even read scattered addresses in one request.

http://www.iatips.com/df1_tips.html

You might need to work on your driver! I haven't attempted to write a driver for...
Forum: LIVE PLC Questions And Answers Today, 10:53 AM
Replies: 4
Views: 44
Posted By OkiePC
I would base the calculated pulses off of the...

I would base the calculated pulses off of the encoder feedback if that is available in your PLC as opposed to expected frequency based on the VFD command signal.

But in any case, you're going to...
Forum: LIVE PLC Questions And Answers Today, 10:50 AM
Replies: 9
Views: 51
Posted By OkiePC
https://www.plccable.com/allen-bradley-1747-uic-us...

https://www.plccable.com/allen-bradley-1747-uic-usb-to-dh485-usb-version-1747-pic-slc-500/

Mark is a forum member here (geniusintraining) who sells a unit that looks just like yours. He probably...
Forum: LIVE PLC Questions And Answers Today, 09:40 AM
Replies: 6
Views: 154
Posted By OkiePC
I never had a complaint about the HMI being too...

I never had a complaint about the HMI being too big, or having too much extra room in an enclosure.
Forum: LIVE PLC Questions And Answers Today, 09:04 AM
Replies: 1
Views: 21
Posted By OkiePC
In my personal opinion, you might have to spend a...

In my personal opinion, you might have to spend a lot more time and a little more money to set up a gateway (Controllogix rack with DH+ and EN2T) and use Ethernet for all new HMI communications. The...
Forum: LIVE PLC Questions And Answers Today, 06:07 AM
Replies: 6
Views: 154
Posted By OkiePC
Red Lion G15 is what I will use if it will fit in...

Red Lion G15 is what I will use if it will fit in the box. I can't think of a more capable HMI.
Forum: LIVE PLC Questions And Answers Yesterday, 06:37 PM
Replies: 9
Views: 198
Posted By OkiePC
It won't let you do that if the string is a...

It won't let you do that if the string is a member of a UDT. I just tried it several different ways and I get an error "Invalid array subscript specifier"

EDIT: I take it back. I was using R[1]...
Forum: LIVE PLC Questions And Answers Yesterday, 03:29 PM
Replies: 20
Views: 305
Posted By OkiePC
That is a good find...and relatively fast. Tell...

That is a good find...and relatively fast. Tell your boss you deserve a bonus and split it with BryanG ;)
Forum: LIVE PLC Questions And Answers Yesterday, 02:03 PM
Replies: 8
Views: 121
Posted By OkiePC
When I worked in a factory that had tons of...

When I worked in a factory that had tons of obsolete parts and lots of ongoing and varied modifications in process, I ended up making a list and a drawing. The list was a spreadsheet to keep up with...
Forum: LIVE PLC Questions And Answers Yesterday, 12:33 PM
Replies: 8
Views: 121
Posted By OkiePC
That one is also discontinued with no planned...

That one is also discontinued with no planned Rockwell Automation replacement, but the lifecycle status results page recommends:
Prosoft: AN-X2-AB-DHRIO

I'm not sure that makes sense, because...
Forum: LIVE PLC Questions And Answers Yesterday, 11:57 AM
Replies: 12
Views: 322
Posted By OkiePC
The ground conductor between the service and your...

The ground conductor between the service and your equipment will be carrying current. This is a no-no.
Forum: LIVE PLC Questions And Answers Yesterday, 11:25 AM
Replies: 20
Views: 305
Posted By OkiePC
Save your work, then set them back to...

Save your work, then set them back to defaults...switch to scalar mode, test again with no connected load.
Forum: LIVE PLC Questions And Answers Yesterday, 11:06 AM
Replies: 20
Views: 305
Posted By OkiePC
Could the VFD be damaged? With no load, that...

Could the VFD be damaged? With no load, that sure sounds like a shorted IGBT.

Could there be a need for line reactors? I once had a small Powerflex drive that would get a hardware overcurrent...
Forum: LIVE PLC Questions And Answers Yesterday, 10:36 AM
Replies: 9
Views: 198
Posted By OkiePC
You may want to roll your own search instruction....

You may want to roll your own search instruction. You could pack it into a subroutine, or AOI and return from it with a DINT representing the found position of the matching array indice or some...
Forum: LIVE PLC Questions And Answers Yesterday, 09:40 AM
Replies: 7
Views: 225
Posted By OkiePC
If the processes can stand alone, or at least...

If the processes can stand alone, or at least partially do so, then a 2nd CPU makes sense.

I have read some threads about getting A/B to talk to PxK, but have not tried it myself. I think the...
Forum: LIVE PLC Questions And Answers Yesterday, 08:23 AM
Replies: 7
Views: 269
Posted By OkiePC
I have used the P2000 in two different...

I have used the P2000 in two different applications, one of them with three PLCs talking to each other over radio modems. I have some complaints about them, but mostly minor. They number their bits...
Forum: LIVE PLC Questions And Answers April 18th, 2018, 02:40 PM
Replies: 9
Views: 201
Posted By OkiePC
Yes, as far as I know. All the PLCs I have...

Yes, as far as I know. All the PLCs I have worked with have separate buffers for each port making them independent. Under the hood, there is probably one CPU handling the data transfer to and from...
Forum: LIVE PLC Questions And Answers April 18th, 2018, 10:42 AM
Replies: 25
Views: 588
Posted By OkiePC
I prefer standing over getting up and down and up...

I prefer standing over getting up and down and up and down. Most of the time when I am in the field, I am moving from laptop to machine and back quite frequently.

Now, there have been times when...
Forum: LIVE PLC Questions And Answers April 18th, 2018, 07:24 AM
Replies: 25
Views: 588
Posted By OkiePC
Best $45 I ever spent on tools: ...

Best $45 I ever spent on tools:

https://www.samsclub.com/sams/maxchief-32-round-bar-height-event-table/prod3100067.ip

I had a decal for a panel schematic I had to stick on it to make the...
Forum: LIVE PLC Questions And Answers April 17th, 2018, 02:57 PM
Replies: 18
Views: 448
Posted By OkiePC
I think that there are fewer arguments today than...

I think that there are fewer arguments today than 10-15 years ago about the advantages of DC drives/motors.

I am just glad I no longer have to polish commutators and do PMs on brushes.
Forum: LIVE PLC Questions And Answers April 17th, 2018, 02:52 PM
Replies: 17
Views: 482
Posted By OkiePC
The manual is 36 pages but shows no internal...

The manual is 36 pages but shows no internal schematic, so we'll have to assume that their indicator lamps are driven by a separate circuit independent from the exposed terminals.

And I noticed...
Forum: LIVE PLC Questions And Answers April 17th, 2018, 08:44 AM
Replies: 17
Views: 482
Posted By OkiePC
That is just another way to say solid state. It...

That is just another way to say solid state. It might not be a TRIAC, it could be a SSR. This spec shows a universal supply voltage. Put a load on it that falls between the minimum and maximum...
Forum: LIVE PLC Questions And Answers April 17th, 2018, 08:28 AM
Replies: 17
Views: 482
Posted By OkiePC
It's a solid state device with some leakage...

It's a solid state device with some leakage current that exceeds what is required by the input point.



It's not a contact, it is a transistor. EDIT: or triac.
Showing results 1 to 25 of 500

 
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