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Search: Posts Made By: Steve Bailey
Forum: LIVE PLC Questions And Answers June 13th, 2019, 07:11 PM
Replies: 13
Views: 610
Posted By Steve Bailey
There are three types of insurance you will have...

There are three types of insurance you will have to consider.
First is Worker's Comp. That covers you if you're injured on the job. At your 'regular" job you're covered under your employer's policy....
Forum: LIVE PLC Questions And Answers June 10th, 2019, 09:46 PM
Replies: 31
Views: 1,823
Posted By Steve Bailey
An operator can be your best friend or your worst...

An operator can be your best friend or your worst enemy. If an operator thinks you're trying to automate him out of a job, you're never going to get a straight answer from him when it comes time to...
Forum: LIVE PLC Questions And Answers June 8th, 2019, 09:23 AM
Replies: 16
Views: 656
Posted By Steve Bailey
To both ZestyMozzarella and NetNathan regarding...

To both ZestyMozzarella and NetNathan regarding your experience with tech support. Have you noticed any difference since Emerson has taken over?
Forum: LIVE PLC Questions And Answers June 4th, 2019, 05:56 AM
Replies: 8
Views: 483
Posted By Steve Bailey
Don't overlook the possibility that the delivery...

Don't overlook the possibility that the delivery date for the machinery was looming and all the OEM could get in time was one of each module.
Forum: LIVE PLC Questions And Answers June 2nd, 2019, 07:59 AM
Replies: 9
Views: 447
Posted By Steve Bailey
That "other good site" got itself banned because...

That "other good site" got itself banned because the owner of it abused his member privileges here. He would post in multiple threads with no relevant data, but only a link to his site.
Forum: LIVE PLC Questions And Answers May 28th, 2019, 06:05 PM
Replies: 9
Views: 443
Posted By Steve Bailey
I'm pretty sure Rx3i will let you define two...

I'm pretty sure Rx3i will let you define two variables at the same address but you have go into the setup menu to permit it. Look under Controller/General/Duplicate Addresses. The choices are Ignore,...
Forum: LIVE PLC Questions And Answers May 28th, 2019, 04:48 PM
Replies: 9
Views: 443
Posted By Steve Bailey
Here is an example of what I was suggesting. I...

Here is an example of what I was suggesting. I don't have an Rx3i, so I can't use the SWAP instruction, but it works on a 9030 CPU374 with the MOVE_INT instructions.
The REAL value in %R103, %R104...
Forum: LIVE PLC Questions And Answers May 28th, 2019, 07:52 AM
Replies: 5
Views: 523
Posted By Steve Bailey
I don't want to say anything to reduce my...

I don't want to say anything to reduce my admiration for the guy who built and programmed that, but the comments under the video really make me appreciate the level of conversation we take for...
Forum: LIVE PLC Questions And Answers May 24th, 2019, 05:53 PM
Replies: 9
Views: 443
Posted By Steve Bailey
In GE, INT is a signed 16-bit, WORD is unsigned...

In GE, INT is a signed 16-bit, WORD is unsigned 16-bit. Consequently INTs have a range of values between -32768 and +32767 when you're viewing the data. WORDs have a range of values between 0 and...
Forum: LIVE PLC Questions And Answers May 24th, 2019, 01:42 PM
Replies: 19
Views: 1,048
Posted By Steve Bailey
I tell them it means Read the Friendly Manual.

I tell them it means Read the Friendly Manual.
Forum: LIVE PLC Questions And Answers May 24th, 2019, 01:38 PM
Replies: 9
Views: 443
Posted By Steve Bailey
There are two SWAP instructions in the function...

There are two SWAP instructions in the function set. SWAP_WORD interchanges the bytes in a 16-bit WORD. SWAP_DWORD interchanges the words in a 32-bit DWORD.
I'm not sure what you need to do to get...
Forum: LIVE PLC Questions And Answers May 20th, 2019, 09:54 AM
Replies: 15
Views: 1,587
Posted By Steve Bailey
At various times in my career I've had every role...

At various times in my career I've had every role listed except for the first. So I chose "Other", meaning "Retired".
Forum: LIVE PLC Questions And Answers May 19th, 2019, 07:35 AM
Replies: 4
Views: 457
Posted By Steve Bailey
What type of DC motor are you using? With a...

What type of DC motor are you using? With a permanent magnet DC motor you change the speed by changing the voltage.
The term "linear actuator" generally refers to something like a pneumatic...
Forum: LIVE PLC Questions And Answers May 17th, 2019, 07:36 AM
Replies: 13
Views: 642
Posted By Steve Bailey
You don't have to put all of the EQU instructions...

You don't have to put all of the EQU instructions on one rung. But you will need to use an OTE instruction to keep track of the results of each rung of comparisons and then OR all of those...
Forum: LIVE PLC Questions And Answers May 17th, 2019, 07:17 AM
Replies: 13
Views: 642
Posted By Steve Bailey
If the values you want to compare the source...

If the values you want to compare the source integer to are consecutive you can use the LIM instruction. Otherwise you will need to test each condition. You can parallel the EQU instructions to keep...
Forum: LIVE PLC Questions And Answers May 15th, 2019, 12:28 PM
Replies: 8
Views: 333
Posted By Steve Bailey
Stemapplications sent me the Proficy file. As I...

Stemapplications sent me the Proficy file.
As I thought, the power warning is based on a worst-case assumption. It assumes all of the relay outputs will be on at the same time. The relays on the...
Forum: LIVE PLC Questions And Answers May 14th, 2019, 05:31 PM
Replies: 8
Views: 333
Posted By Steve Bailey
The power supply warning is based on a worst-case...

The power supply warning is based on a worst-case assumption about power consumed by the modules.

It sounds to me like the program you extracted from the PLC was written with either Logicmaster or...
Forum: LIVE PLC Questions And Answers May 14th, 2019, 06:18 AM
Replies: 4
Views: 339
Posted By Steve Bailey
Neither of the EQU blocks are true. The tag...

Neither of the EQU blocks are true. The tag C001C_SERVICE has a value of zero. It needs to have a value of either 1 or 2.
Forum: LIVE PLC Questions And Answers May 13th, 2019, 08:30 PM
Replies: 10
Views: 1,003
Posted By Steve Bailey
Out of curiosity, what forum was that from?

Out of curiosity, what forum was that from?
Forum: LIVE PLC Questions And Answers May 13th, 2019, 08:17 PM
Replies: 8
Views: 618
Posted By Steve Bailey
How quickly do you need to react? The quickest...

How quickly do you need to react?
The quickest reaction would be to set up a timer that runs continuously and resets at each oiler pulse. If the timer's accumulated value is less than 5.45 seconds...
Forum: LIVE PLC Questions And Answers May 10th, 2019, 05:40 PM
Replies: 8
Views: 614
Posted By Steve Bailey
You should expect that a version 9 program could...

You should expect that a version 9 program could be opened by version 12. Why would anyone ever migrate to the newer version if they had to rewrite all their existing programs? At the very least, you...
Forum: LIVE PLC Questions And Answers May 9th, 2019, 01:14 PM
Replies: 11
Views: 1,083
Posted By Steve Bailey
Two things to aware of regarding solid state...

Two things to aware of regarding solid state contactors.
First, the device "under the hood" is going to be a Triac. Triacs have a propensity to fail in the on state.
Second, all solid state devices...
Forum: LIVE PLC Questions And Answers May 9th, 2019, 10:51 AM
Replies: 13
Views: 403
Posted By Steve Bailey
How about : Var_A := 2*(X=Y) + (Y>X) ...

How about :

Var_A := 2*(X=Y) + (Y>X)

Assuming your ST implementation allows including Boolean operations in numeric calculations.
Forum: LIVE PLC Questions And Answers May 8th, 2019, 09:58 AM
Replies: 24
Views: 1,317
Posted By Steve Bailey
Is the bad short response always the same...

Is the bad short response always the same characters? If so. it could it represent a response from the slave indicating an issue with the command from the master.
Are there characters in the...
Forum: LIVE PLC Questions And Answers April 30th, 2019, 05:50 PM
Replies: 4
Views: 419
Posted By Steve Bailey
+1 to that. Get the customer to buy in to...

+1 to that.

Get the customer to buy in to your interpretation of their spec.
Showing results 1 to 25 of 500

 
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