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Search: Posts Made By: drforsythe
Forum: LIVE PLC Questions And Answers April 28th, 2021, 08:55 AM
Replies: 4
Views: 447
Posted By drforsythe
Can you provide more information on the system? ...

Can you provide more information on the system? What software is running on the PC? What other devices are connected to it? When the time changes, is it changing to the same time each time? Or is...
Forum: LIVE PLC Questions And Answers April 20th, 2021, 06:25 AM
Replies: 7
Views: 709
Posted By drforsythe
I agree with jaden. If the area is already...

I agree with jaden. If the area is already cooled, you may not need to add cooling. If you do, it may be minimal. If that is the case, a heat exchanger product may suffice.
Forum: LIVE PLC Questions And Answers April 16th, 2021, 06:55 AM
Replies: 11
Views: 854
Posted By drforsythe
Here is a manual for a similar product. The part...

Here is a manual for a similar product. The part number callout may help you determine what you have even though it is a different series.
...
Forum: LIVE PLC Questions And Answers April 16th, 2021, 06:38 AM
Replies: 11
Views: 854
Posted By drforsythe
I got lazy and copied my response from the other...

I got lazy and copied my response from the other forum:

I tried to find some info but could not locate manuals. If you have a model number, it would be helpful. I believe these devices are...
Forum: LIVE PLC Questions And Answers April 8th, 2021, 02:31 PM
Replies: 21
Views: 978
Posted By drforsythe
As parky stated, you can just copy the whole...

As parky stated, you can just copy the whole directory to back it up. There is no backup/restore process like FTVSE.
Forum: LIVE PLC Questions And Answers April 8th, 2021, 02:29 PM
Replies: 2
Views: 359
Posted By drforsythe
Thank you for posting this info, it is very...

Thank you for posting this info, it is very helpful. I ran into this as well. I updated the firmware in a machine and our OSI PI pages stopped working. My co-worker told me about the issue.
Forum: LIVE PLC Questions And Answers April 7th, 2021, 12:58 PM
Replies: 21
Views: 1,683
Posted By drforsythe
I do not know if there is any requirement to...

I do not know if there is any requirement to terminate or cap / tape off, but I highly recommend it. Many years ago I received a mild shock when the installers of a servo system did not terminate or...
Forum: LIVE PLC Questions And Answers March 31st, 2021, 06:28 AM
Replies: 24
Views: 1,440
Posted By drforsythe
Is the drive's ethernet port connected to a...

Is the drive's ethernet port connected to a managed switch? If so, check to make sure the switch is not using port security to limit network access by MAC address.
Forum: LIVE PLC Questions And Answers March 30th, 2021, 02:22 PM
Replies: 2
Views: 271
Posted By drforsythe
The motor is a single-phase device (hence the...

The motor is a single-phase device (hence the capacitor start descriptor in your post). The PowerFlex drive puts out three-phase. The two are not compatible. You need a three-phase motor if you...
Forum: LIVE PLC Questions And Answers March 2nd, 2021, 02:45 PM
Replies: 14
Views: 1,096
Posted By drforsythe
I don't think it is too much to ask a controls...

I don't think it is too much to ask a controls supplier to verify that their wiring is correct. I have had to make MANY corrections to enclosures because a dc common was missed on an I/O card or...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 01:30 PM
Replies: 10
Views: 829
Posted By drforsythe
Generally, using RS232 is safe if using cables...

Generally, using RS232 is safe if using cables designed for RS232. I have screwed up connections in the past without causing damage. The one situation I remember where damage could occur was a...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 06:32 AM
Replies: 20
Views: 1,624
Posted By drforsythe
We use multi turn pots on some of our simpler...

We use multi turn pots on some of our simpler lines that do not have PLCs or HMIs. I have had good luck using standard multi-turn pots with a Vishay indicating knob. Or is this the vernier dial...
Forum: LIVE PLC Questions And Answers February 18th, 2021, 10:00 AM
Replies: 14
Views: 718
Posted By drforsythe
I have used the inductive couplers from Balluff...

I have used the inductive couplers from Balluff and they worked great. The ones I used were for digital I/O only, though.
I use connectors from Ilme (less expensive version of Harting connector,...
Forum: LIVE PLC Questions And Answers February 11th, 2021, 07:15 AM
Replies: 4
Views: 708
Posted By drforsythe
If you have "extra" hardware that you could...

If you have "extra" hardware that you could temporarily use for the upgrade, I would suggest it. It all depends on how much in demand the machine you are upgrading is. Whenever I do a firmware...
Forum: LIVE PLC Questions And Answers February 11th, 2021, 06:49 AM
Replies: 8
Views: 591
Posted By drforsythe
Our extruders from Italy came with Weidmuller...

Our extruders from Italy came with Weidmuller devices. Something similar to this:
...
Forum: LIVE PLC Questions And Answers February 8th, 2021, 11:22 AM
Replies: 10
Views: 654
Posted By drforsythe
Is there a reason that electric motors would not...

Is there a reason that electric motors would not be used? I am not trying to second-guess you or your customer, but adding an outdoor compressor will be a an expense, then you have to consider...
Forum: LIVE PLC Questions And Answers January 15th, 2021, 12:40 PM
Replies: 10
Views: 968
Posted By drforsythe
This always used to be a major issue for me. ...

This always used to be a major issue for me. Since I have been at this company for many years, I have educated the mechanical engineers to work with me early in the project so we can understand the...
Forum: LIVE PLC Questions And Answers January 15th, 2021, 07:39 AM
Replies: 32
Views: 2,897
Posted By drforsythe
I think the problem lies mainly with the...

I think the problem lies mainly with the softening of requirements due to very flexible hardware and software platforms. These types of diagrams were absolutely necessary back when relay circuits,...
Forum: LIVE PLC Questions And Answers January 12th, 2021, 10:30 AM
Replies: 5
Views: 540
Posted By drforsythe
I believe it is because you are using a...

I believe it is because you are using a "standard" compare function. For floating point, you need to use compare funtions with an "E" prefix. for example, [E< D60 D406]. It has been a while since...
Forum: LIVE PLC Questions And Answers December 17th, 2020, 02:04 PM
Replies: 13
Views: 2,445
Posted By drforsythe
Thanks, Okie for posting the link to the KB...

Thanks, Okie for posting the link to the KB article. I was going to look for one and you saved me some time!
Forum: LIVE PLC Questions And Answers December 10th, 2020, 11:03 AM
Replies: 13
Views: 1,174
Posted By drforsythe
On new projects, I use page 1 as an index. I...

On new projects, I use page 1 as an index. I have had to add an index to existing schematic packages and used sheet 0, but it is confusing like you stated.
Forum: LIVE PLC Questions And Answers December 9th, 2020, 10:36 AM
Replies: 9
Views: 760
Posted By drforsythe
It looks like you are using Mitsubishi? If so,...

It looks like you are using Mitsubishi? If so, you can do a comparison like you want. As I recall, you need to swap the K250 and D300 in order to check if D300 is greater than 250.
Forum: LIVE PLC Questions And Answers December 9th, 2020, 08:42 AM
Replies: 8
Views: 834
Posted By drforsythe
I second the idea to update the firmware to the...

I second the idea to update the firmware to the highest level that CPU can handle. I was in a situation similar to yours about 10 years ago. An extruder in our company was programmed using Logix...
Forum: LIVE PLC Questions And Answers December 7th, 2020, 09:37 AM
Replies: 15
Views: 1,501
Posted By drforsythe
Do you have a valid screen number in the register...

Do you have a valid screen number in the register controlling the screen? I may be wrong on this, but I thought if you had a zero (0) in the screen control register or if the number in the screen...
Forum: LIVE PLC Questions And Answers November 5th, 2020, 09:54 AM
Replies: 2
Views: 593
Posted By drforsythe
Those units were quite modular as I remember. ...

Those units were quite modular as I remember. You SHOULD be able to use the card if the new firmware is still configured to use it. Eurotherm support has been good to work with in the past. I have...
Showing results 1 to 25 of 148

 
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