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Search: Posts Made By: Steve Bailey
Forum: LIVE PLC Questions And Answers Yesterday, 06:51 PM
Replies: 7
Views: 122
Posted By Steve Bailey
Output modules require external power. You will...

Output modules require external power. You will need to supply DC to it. The LEDs get their power from the backplane, but the field devices do not.
Forum: LIVE PLC Questions And Answers Yesterday, 10:41 AM
Replies: 17
Views: 221
Posted By Steve Bailey
%G memory is not restricted to Genius...

%G memory is not restricted to Genius applications. It is simply an area of memory typically referenced via Boolean instructions. I'm a little confused about what you're seeing. Does the PLC target...
Forum: LIVE PLC Questions And Answers February 14th, 2018, 09:42 PM
Replies: 17
Views: 221
Posted By Steve Bailey
Same procedure with %Q as with %I.

Same procedure with %Q as with %I.
Forum: LIVE PLC Questions And Answers February 14th, 2018, 04:52 PM
Replies: 17
Views: 221
Posted By Steve Bailey
Not quite. You'll first need to create an INT...

Not quite. You'll first need to create an INT variable addressed to %I601. Then use a MOVE_INT instruction with a length of one to copy the data from %R413 to the INT variable addressed to %I601....
Forum: LIVE PLC Questions And Answers February 14th, 2018, 03:47 PM
Replies: 17
Views: 221
Posted By Steve Bailey
I think you want to copy the bit pattern from...

I think you want to copy the bit pattern from %Rxxx to the 16 bits starting at %Iyyy. Is that correct?
Assuming the variable addressed to %Rxxx is an INT, create an INT variable addressed to %Iyyy...
Forum: LIVE PLC Questions And Answers February 13th, 2018, 11:54 AM
Replies: 17
Views: 11,760
Posted By Steve Bailey
For folks that INSIST that the method that helps...

For folks that INSIST that the method that helps them understand a concept is the best way for everyone, I say take a deep breath. Different people learn and process information differently. To some...
Forum: LIVE PLC Questions And Answers February 10th, 2018, 08:33 PM
Replies: 5
Views: 352
Posted By Steve Bailey
Top of the page, "Buy/Sell PLCs" Phil talked...

Top of the page, "Buy/Sell PLCs"
Phil talked about discontinuing it a while back , but it looks like it still might work. I don't think it gets much traffic though. After all, you missed it.
Forum: LIVE PLC Questions And Answers February 9th, 2018, 06:05 PM
Replies: 9
Views: 179
Posted By Steve Bailey
Proficy ME and VersaPro can coexist. I have both...

Proficy ME and VersaPro can coexist. I have both on an XP machine.
Forum: LIVE PLC Questions And Answers February 9th, 2018, 01:24 PM
Replies: 9
Views: 179
Posted By Steve Bailey
The 90-30 was GE's successor product to the...

The 90-30 was GE's successor product to the Series One. When GE started selling the 90-30 Koyo, the manufacturer of Series One product began selling it through TI as the TI305. Later, Siemens...
Forum: LIVE PLC Questions And Answers February 9th, 2018, 11:12 AM
Replies: 7
Views: 342
Posted By Steve Bailey
You should be able to identify the components in...

You should be able to identify the components in each panel by reading the schematic. The schematic will tell you what wires should be connected to each component.
For example, the relay will need...
Forum: LIVE PLC Questions And Answers February 8th, 2018, 02:32 PM
Replies: 18
Views: 839
Posted By Steve Bailey
Based on the equations for the first and second...

Based on the equations for the first and second derivatives, you already know that y is equal to e to the power kx, so you can calculate the value of y for any value of x if k is a known constant. Is...
Forum: LIVE PLC Questions And Answers February 7th, 2018, 05:26 PM
Replies: 15
Views: 281
Posted By Steve Bailey
I can recall many similar instances of an obscure...

I can recall many similar instances of an obscure setting (obscure to me anyway) causing wasted hours during commissioning or testing. Not limited to GE either, although they had their share.
I...
Forum: LIVE PLC Questions And Answers February 7th, 2018, 03:20 PM
Replies: 15
Views: 281
Posted By Steve Bailey
That sure sounds like a smoking gun. How...

That sure sounds like a smoking gun.
How difficult would it be for you to just disconnect power to the outputs so you could safely enable I/O?
Forum: LIVE PLC Questions And Answers February 7th, 2018, 02:31 PM
Replies: 15
Views: 281
Posted By Steve Bailey
I don't have any personal experience with EGD...

I don't have any personal experience with EGD over a fiber link, but I don't think it should be an issue.
Forum: LIVE PLC Questions And Answers February 7th, 2018, 01:40 PM
Replies: 15
Views: 281
Posted By Steve Bailey
I'm afraid I may have steered you in the wrong...

I'm afraid I may have steered you in the wrong direction.
I have a few examples of projects with known successful EGD exchanges. The ones requiring the two extra words were only for exchanges...
Forum: LIVE PLC Questions And Answers February 6th, 2018, 09:06 PM
Replies: 15
Views: 281
Posted By Steve Bailey
Leave your consumed exchange in the CCCSD PLC as...

Leave your consumed exchange in the CCCSD PLC as is. In the produced exchange in the CCWTP PLC, delete the two words at address %R08000.
The first two words in a consumed exchange are status words...
Forum: LIVE PLC Questions And Answers February 5th, 2018, 10:13 PM
Replies: 15
Views: 281
Posted By Steve Bailey
There have been several forum threads on the...

There have been several forum threads on the subject. Search using EGD as the keyword.
This thread
http://www.plctalk.net/qanda/showthread.php?t=112687
is probably the most detailed and includes...
Forum: LIVE PLC Questions And Answers February 5th, 2018, 09:45 PM
Replies: 22
Views: 472
Posted By Steve Bailey
It looks like it fails, not when the values in...

It looks like it fails, not when the values in N7:253 and N7:254 are both negative as shown in your screen capture, but when the value in N7:253 is negative and the value in N7:254 is positive. That...
Forum: LIVE PLC Questions And Answers February 5th, 2018, 07:43 PM
Replies: 26
Views: 858
Posted By Steve Bailey
Personally, I prefer to change as few drive...

Personally, I prefer to change as few drive parameters as possible from their default values. I'll connect the wires so as to make the motor turn in the direction I want it to go at the default...
Forum: LIVE PLC Questions And Answers February 5th, 2018, 05:12 PM
Replies: 22
Views: 472
Posted By Steve Bailey
The value of 89 is the correct result of...

The value of 89 is the correct result of subtracting negative 28554 from negative 28465. If the screen capture was of the scan that caused the underflow, neither of the one-shots were true in that...
Forum: LIVE PLC Questions And Answers February 5th, 2018, 04:54 PM
Replies: 22
Views: 472
Posted By Steve Bailey
Are you sure the rungs you posted are the source...

Are you sure the rungs you posted are the source of the underflow? I've only worked with a few SLCs, so I'm nowhere close to being proficient with it, but the screen shot shows the correct answer....
Forum: LIVE PLC Questions And Answers February 4th, 2018, 05:28 PM
Replies: 10
Views: 354
Posted By Steve Bailey
The usual rationale for a two-hand switch is to...

The usual rationale for a two-hand switch is to keep both of an operator's hands away from a dangerous area when initiating motion. It's hard to understand why the client would want something like...
Forum: LIVE PLC Questions And Answers February 1st, 2018, 01:53 PM
Replies: 8
Views: 200
Posted By Steve Bailey
Yes, CPU311W is newer than CPU311L.

Yes, CPU311W is newer than CPU311L.
Forum: LIVE PLC Questions And Answers February 1st, 2018, 08:39 AM
Replies: 4
Views: 187
Posted By Steve Bailey
Here's the printout.

Here's the printout.
Forum: LIVE PLC Questions And Answers January 31st, 2018, 09:12 PM
Replies: 8
Views: 200
Posted By Steve Bailey
Also correct. The name of the serial protocol is...

Also correct. The name of the serial protocol is either SNP or SNPX. The latter is a stripped-down version optimized for HMI communications. The full SNP protocol supports program transfers which of...
Showing results 1 to 25 of 500

 
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