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Search: Posts Made By: thingstodo
Forum: LIVE PLC Questions And Answers October 9th, 2018, 10:03 AM
Replies: 3
Views: 186
Posted By thingstodo
A simple, but not all that reliable, way is to...

A simple, but not all that reliable, way is to have a single column transfer the information.

1 - Add a column 11 to your array.
2 - Have your excel macro send a number from 1 - 10 to the...
Forum: LIVE PLC Questions And Answers October 2nd, 2018, 03:23 PM
Replies: 6
Views: 222
Posted By thingstodo
It's been a long time since I messed with MOD on...

It's been a long time since I messed with MOD on PLC5. And I no longer have a PLC5 to test this logic on, so take it for what it's worth - just running from memroy.

1001 mod 1000 = 1. I used it...
Forum: LIVE PLC Questions And Answers September 28th, 2018, 06:24 PM
Replies: 36
Views: 1,096
Posted By thingstodo
The Micro800 series looks nothing like a Rockwell...

The Micro800 series looks nothing like a Rockwell product. Numbering starts at 1, not 0. The logic in the software looks more like Schneider than Rockwell. I can't recall which basic instruction...
Forum: LIVE PLC Questions And Answers September 28th, 2018, 02:41 PM
Replies: 36
Views: 1,096
Posted By thingstodo
We had a vendor sneak one onto site in a Heating,...

We had a vendor sneak one onto site in a Heating, Ventilation and Air Conditioning skid.

For the money we spent getting it commissioned and troubleshooting it, we could have paid them to rip out...
Forum: LIVE PLC Questions And Answers September 25th, 2018, 09:04 AM
Replies: 19
Views: 1,068
Posted By thingstodo
Does this method actually work for you? We...

Does this method actually work for you?

We provide specs to ... I'll call them lab-grade .. suppliers. Like either the equipment is made from 316 stainless, or you need to 2-part epoxy-paint all...
Forum: LIVE PLC Questions And Answers September 24th, 2018, 11:58 AM
Replies: 9
Views: 334
Posted By thingstodo
+1 on that. Ladder logic executes from 10...

+1 on that.

Ladder logic executes from 10 times a second to hundreds of times per second.

I would avoid latch and unlatch, just in general. You need to remember to change your unlatch logic...
Forum: LIVE PLC Questions And Answers September 23rd, 2018, 12:27 PM
Replies: 8
Views: 433
Posted By thingstodo
First - Sorry - can't help with logo. But...

First - Sorry - can't help with logo.

But youtube appears to have a few videos on logo and comfort

Siemens appears to have their own forum here
...
Forum: LIVE PLC Questions And Answers September 18th, 2018, 05:53 PM
Replies: 10
Views: 351
Posted By thingstodo
Yes, I have, once. A PLC 5/60 with hundreds of...

Yes, I have, once. A PLC 5/60 with hundreds of online edits done while commissioning .. on a project that the requirements changed over and over and over ... and over and over

In that case, I...
Forum: LIVE PLC Questions And Answers September 16th, 2018, 07:35 PM
Replies: 15
Views: 661
Posted By thingstodo
We have 2 of them. One in a panel where the Skid...

We have 2 of them. One in a panel where the Skid vendor mounted a 30 HP VFD, the PLC, the control wiring, and some air-driven instruments in the same 36 x 48 x 12 panel. The VFD heats up the panel...
Forum: LIVE PLC Questions And Answers September 14th, 2018, 03:46 PM
Replies: 29
Views: 992
Posted By thingstodo
Wow - this seems like a popular topic! I...

Wow - this seems like a popular topic!

I have direct experience with only one application. It was a pair of 400 HP 600 VAC drives in a supply fan/return fan application. The semiconductor fuses...
Forum: LIVE PLC Questions And Answers September 14th, 2018, 02:38 PM
Replies: 7
Views: 497
Posted By thingstodo
The option I can think of is expensive. You will...

The option I can think of is expensive. You will need a ControlLogix rack, power supply, an ethernet card and a DHRIO card. That will bridge to DH+. You are looking at some cash for that though. ...
Forum: LIVE PLC Questions And Answers September 12th, 2018, 09:51 AM
Replies: 11
Views: 519
Posted By thingstodo
Talking Disagree that this is THE issue at play. It's...

Disagree that this is THE issue at play. It's ONE of the issues ...

Agreed that the motor may draw more current for the same load at a higher speed.

I see this as a small change, unless the...
Forum: LIVE PLC Questions And Answers September 12th, 2018, 09:09 AM
Replies: 11
Views: 519
Posted By thingstodo
I don't know much about the mechanical...

I don't know much about the mechanical description you have.

Because it sounds like your shredder may have open blades that could have issues with a large increase in speed ... I'd look at the...
Forum: LIVE PLC Questions And Answers September 11th, 2018, 10:47 AM
Replies: 8
Views: 282
Posted By thingstodo
If you somehow get to executing more than 1 FIFO...

If you somehow get to executing more than 1 FIFO LOAD (FFL) per plc scan, you need to unlatch the fifo.EN signal before executing the FFL for each load.

Attached is working code that we use to...
Forum: LIVE PLC Questions And Answers September 10th, 2018, 10:38 AM
Replies: 10
Views: 552
Posted By thingstodo
The immersion heaters may go over FLA, but it...

The immersion heaters may go over FLA, but it won't be 10X over like an induction motor. I would not call it inrush though. inrush is typically measured in # of AC cycles. Somewhere around 10...
Forum: LIVE PLC Questions And Answers September 10th, 2018, 10:31 AM
Replies: 34
Views: 1,700
Posted By thingstodo
We have instrument guys (who are not supposed to...

We have instrument guys (who are not supposed to touch anything over 110VAC ) work on the 4-20 ma stuff and electricians on the 575 VAC (or 480 VAC) stuff. It's easier for us in Canada to use two...
Forum: LIVE PLC Questions And Answers September 10th, 2018, 10:17 AM
Replies: 10
Views: 552
Posted By thingstodo
Definitive answer - fast-blow. The only reason...

Definitive answer - fast-blow. The only reason to use a time-delay is to allow a motor to have in-rush current for starting.

This is one of those - there is no wrong answer questions ... since...
Forum: LIVE PLC Questions And Answers September 10th, 2018, 10:11 AM
Replies: 7
Views: 213
Posted By thingstodo
What I do is to toggle a bit in the PLC once per...

What I do is to toggle a bit in the PLC once per second, with a 0.5 second update on the HMI (you can choose how often you want this to run) and display it in the upper left corner of each display. ...
Forum: LIVE PLC Questions And Answers September 6th, 2018, 09:31 AM
Replies: 23
Views: 1,004
Posted By thingstodo
I can't help with an online portal. We are...

I can't help with an online portal.

We are an industrial mill. So I guess you guys would consider us 'users'

Our panel vendors (the guys that put together the starters, wire custom panels, do...
Forum: LIVE PLC Questions And Answers August 31st, 2018, 10:57 AM
Replies: 6
Views: 792
Posted By thingstodo
From your sketch, I think the weight of the cable...

From your sketch, I think the weight of the cable needs to be added to the weight of your grand-kids.

I've got something wrong here. The more sag you have, the more tension there is .. is not...
Forum: LIVE PLC Questions And Answers August 31st, 2018, 09:52 AM
Replies: 3
Views: 624
Posted By thingstodo
The local IPs will talk on the 192.168 subnet. ...

The local IPs will talk on the 192.168 subnet. The PLC, since it is not on the 192 subnet, will not talk to the 192 subnet, as far as I understand such things (not much)

Since the 8300 is a layer...
Forum: LIVE PLC Questions And Answers August 29th, 2018, 02:45 PM
Replies: 19
Views: 579
Posted By thingstodo
That was a gooder! This is one of the...

That was a gooder!

This is one of the reasons I subscribe to this forum! I may sometimes be re-learning stuff that I once knew .. but I often learn stuff that I have never heard of ..
Forum: LIVE PLC Questions And Answers August 29th, 2018, 02:39 PM
Replies: 9
Views: 442
Posted By thingstodo
Thanks for keeping me honest guys. :bow: I...

Thanks for keeping me honest guys. :bow:

I am reminded every month or two that I need to rely LESS on my memory and more on LOOKING THINGS UP.
Forum: LIVE PLC Questions And Answers August 28th, 2018, 06:20 PM
Replies: 6
Views: 373
Posted By thingstodo
One warning - you need enough spare memory to...

One warning - you need enough spare memory to hold a new copy of the rung that you are editing. So a really large rung will give you the error mentioned by GaryS, RonJon, and Mispeld.
Forum: LIVE PLC Questions And Answers August 28th, 2018, 06:15 PM
Replies: 9
Views: 442
Posted By thingstodo
The Micrologix 1000 has a backup battery, which...

The Micrologix 1000 has a backup battery, which should hold all of your setpoints, timer presets, counter presets, etc at their last value until something changes them

If the battery is low or...
Showing results 1 to 25 of 218

 
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