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Search: Posts Made By: thingstodo
Forum: LIVE PLC Questions And Answers Yesterday, 01:49 PM
Replies: 9
Views: 268
Posted By thingstodo
S:FS is first scan Is your subroutine called...

S:FS is first scan

Is your subroutine called each scan?

Th easiest thing I can think of is to add 1 to an integer each time your subroutine is called. Bit 0 will turn on, off, on, off. If you...
Forum: LIVE PLC Questions And Answers February 14th, 2019, 05:26 PM
Replies: 12
Views: 356
Posted By thingstodo
Not sure I understand, but I think you are...

Not sure I understand, but I think you are talking about the ONS instruction for a PLC5 or a ControlLogix. It has a storage bit, that is a boolean 1 when the one-shot has 'fired' and 0 when the...
Forum: LIVE PLC Questions And Answers February 7th, 2019, 10:34 AM
Replies: 8
Views: 203
Posted By thingstodo
So you were able to get it working in...

So you were able to get it working in Hyperterminal.

Did you get the meter to add the <CR> at the end of the message?

Thanks for letting us know
Forum: LIVE PLC Questions And Answers February 7th, 2019, 08:58 AM
Replies: 8
Views: 203
Posted By thingstodo
I have no experience with this particular module,...

I have no experience with this particular module, just looking at the same manual you have.

Are you waiting for a specific number of characters (receive buffer full) or an end of string character?...
Forum: LIVE PLC Questions And Answers February 6th, 2019, 10:16 AM
Replies: 4
Views: 230
Posted By thingstodo
1200 cans per minute is 1 can every 50 ms. If...

1200 cans per minute is 1 can every 50 ms. If the cans have some space between them, the time will be lower.

Grabbing some numbers out of the air - 20 ms total time for comfort. 0.014 ms for...
Forum: LIVE PLC Questions And Answers February 5th, 2019, 05:20 PM
Replies: 4
Views: 230
Posted By thingstodo
The latching logic is quite simple in the...

The latching logic is quite simple in the ControlLogix .. but it was also quite simple in the PLC5.

Is there a lot of I/O racks? Did they run them at 230Kbits instead of the default 56 Kbits? It...
Forum: LIVE PLC Questions And Answers January 29th, 2019, 02:44 PM
Replies: 5
Views: 303
Posted By thingstodo
I'm not sure that I understand, but I am doubtful...

I'm not sure that I understand, but I am doubtful that a simple timer and a bit of combinational logic will do what you need without messing up normal operation.

If it were my system, I'd set a...
Forum: LIVE PLC Questions And Answers January 29th, 2019, 02:24 PM
Replies: 8
Views: 354
Posted By thingstodo
We have had one 250 HP with a rotor bar broken...

We have had one 250 HP with a rotor bar broken (we suspect that the shipper dropped the motor off the fork truck but could not prove anything. No visible damage on the outside)

We have had 1 208V...
Forum: LIVE PLC Questions And Answers January 29th, 2019, 02:16 PM
Replies: 2
Views: 153
Posted By thingstodo
To 'MAP' to a SLC address, under Logic->Map...

To 'MAP' to a SLC address, under Logic->Map PLC/SLC messages, enter file number 11 for the N11 file and the name Data_For_SF. You have to do this offline. Data_For_SF should be an array of integers...
Forum: LIVE PLC Questions And Answers January 23rd, 2019, 02:38 PM
Replies: 2
Views: 348
Posted By thingstodo
I have not done this myself - but I have wanted...

I have not done this myself - but I have wanted to get it done

EVTV has a package called GEVRET, for General EV Reverse Engineering Tool. It runs on one of their CANbus boards that can capture...
Forum: LIVE PLC Questions And Answers January 22nd, 2019, 04:23 PM
Replies: 7
Views: 579
Posted By thingstodo
Our devicenet scanners have never had an issue...

Our devicenet scanners have never had an issue (1756-DNB)

Devicenet cards on each drive, or overload, etc have temperature specs on them in the manuals. Some are -20C - 40C, some are -40C - 60C....
Forum: LIVE PLC Questions And Answers January 10th, 2019, 04:27 PM
Replies: 29
Views: 2,305
Posted By thingstodo
Agree with @jraef, I think that what he says is...

Agree with @jraef, I think that what he says is correct. But I would listen to the experience from @Aabeck, since the idea is to make everything reliable. Commissioning has enough problems with...
Forum: LIVE PLC Questions And Answers December 15th, 2018, 10:01 PM
Replies: 17
Views: 1,021
Posted By thingstodo
You are off to an excellent start in your...

You are off to an excellent start in your troubleshooting!

Adding to the advice above,

Getting the information that you require from operations and maintenance staff is *BY FAR* the most...
Forum: LIVE PLC Questions And Answers December 14th, 2018, 11:07 AM
Replies: 9
Views: 407
Posted By thingstodo
This is fairly typical of IT departments, in my...

This is fairly typical of IT departments, in my experience.

I would not expose the DCS to any external communication that I did not have to.

Our DCS is on it's own switches, runs on a...
Forum: LIVE PLC Questions And Answers December 12th, 2018, 06:18 PM
Replies: 19
Views: 795
Posted By thingstodo
Maybe .. We have PLC standards .. and...

Maybe ..

We have PLC standards .. and purchasing insists on ignoring them. The only reason we don't have a dozen different kinds of PLC from various vendors (they supply what is cheapest this...
Forum: LIVE PLC Questions And Answers December 12th, 2018, 04:54 PM
Replies: 19
Views: 795
Posted By thingstodo
In my opinion, it would be hard to master 6...

In my opinion, it would be hard to master 6 different brands of PLC. If you can select one or two of them to get training on, perhaps those with better local support, or better pricing, or some...
Forum: LIVE PLC Questions And Answers December 11th, 2018, 03:48 PM
Replies: 8
Views: 399
Posted By thingstodo
Where is the task monitor for the ENBT? I only...

Where is the task monitor for the ENBT? I only see a task monitor for the processor ... nothing that shows 'Task Monitor' in RSLinx either.

I'm interested since I've been told that the life-span...
Forum: LIVE PLC Questions And Answers December 11th, 2018, 03:34 PM
Replies: 8
Views: 399
Posted By thingstodo
Sorry - missed the TechConnect level on the...

Sorry - missed the TechConnect level on the Access Level :(
Forum: LIVE PLC Questions And Answers December 11th, 2018, 01:03 PM
Replies: 8
Views: 399
Posted By thingstodo
I looked it up on Knowledgebase and this is what...

I looked it up on Knowledgebase and this is what I found

Check you acceleration and deceleration rates on the drive. I didn't look up the parameter numbers.

If the drive is not reacting to...
Forum: LIVE PLC Questions And Answers November 30th, 2018, 03:26 PM
Replies: 4
Views: 317
Posted By thingstodo
Thanks Geospark. You are obviously much better...

Thanks Geospark. You are obviously much better at this searching thing than I am.

I am always amazed at what information I am not able to locate in Knowledgebase!
Forum: LIVE PLC Questions And Answers November 30th, 2018, 12:20 PM
Replies: 4
Views: 317
Posted By thingstodo
Since Prosoft will sell you a dedicated card to...

Since Prosoft will sell you a dedicated card to do SNMP protocol, and to do the polling of the various 'layers' .. I'd guess that it's not easy to do.

A quick search of Knowlegdebase gave me tech...
Forum: LIVE PLC Questions And Answers November 29th, 2018, 03:22 PM
Replies: 2
Views: 197
Posted By thingstodo
+1 Been there. Analog inputs and other...

+1

Been there. Analog inputs and other smart IO need to be configured THE SAME WAY in BOTH ControlLogix. If the scaling is different in one analog card, one wins and the other loses...
Forum: LIVE PLC Questions And Answers November 29th, 2018, 03:19 PM
Replies: 28
Views: 1,152
Posted By thingstodo
As mentioned, over 200, maybe 250 feet, you add...

As mentioned, over 200, maybe 250 feet, you add load reactors (5% or 3% of full load current, depending on who you talk to). This stretches out the pulses, rounds out the corners sort of.

Over...
Forum: LIVE PLC Questions And Answers November 28th, 2018, 11:27 AM
Replies: 5
Views: 228
Posted By thingstodo
I don't think *ANYTHING* associated with Emerson...

I don't think *ANYTHING* associated with Emerson DeltaV could be described as 'cheap' or 'free'.

Their licensing requirements are complex and non-intuitive (for me at least). There is a service...
Forum: LIVE PLC Questions And Answers November 28th, 2018, 08:56 AM
Replies: 5
Views: 390
Posted By thingstodo
In my experience, motors from the same...

In my experience, motors from the same manufacturer, used the same way, tend to fail around the same number of run-time hours. For the motors that we have hot stand-by for (not very many) we used to...
Showing results 1 to 25 of 260

 
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