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Search: Posts Made By: Ken Moore
Forum: LIVE PLC Questions And Answers Today, 11:01 AM
Replies: 5
Views: 152
Posted By Ken Moore
The byte order depends on the processor, the...

The byte order depends on the processor, the S7-300/400 accumulator will swap the bytes, the newer 1200/1500 will not.
Forum: LIVE PLC Questions And Answers Yesterday, 04:35 PM
Replies: 17
Views: 799
Posted By Ken Moore
They probably had Device Net at where ever the...

They probably had Device Net at where ever the old automation guy came from. Never been exposed to ethernet. Went with what he knew.

If installed correctly, Device Net works well. However, I...
Forum: LIVE PLC Questions And Answers October 18th, 2021, 05:17 PM
Replies: 11
Views: 929
Posted By Ken Moore
Yes, if the value is within limits, RLO would =...

Yes, if the value is within limits, RLO would = 1, and the JUMP would not occur.
Because JCN = JUMP if RLO=0.
Forum: LIVE PLC Questions And Answers October 18th, 2021, 03:38 PM
Replies: 11
Views: 929
Posted By Ken Moore
It is a limit test, must be <=MaxPos and...

It is a limit test, must be <=MaxPos and >=MinPos.

#MaxPos >= DBD [AR1,P#2.0]
AND
DBD [AR1,P#2.0] >= #MinPos
Forum: LIVE PLC Questions And Answers October 14th, 2021, 05:46 PM
Replies: 19
Views: 987
Posted By Ken Moore
Maybe OKiePC?

Maybe OKiePC?
Forum: LIVE PLC Questions And Answers October 14th, 2021, 11:09 AM
Replies: 31
Views: 1,817
Posted By Ken Moore
Panel layouts 24 x36 ( I mostly deal with large...

Panel layouts 24 x36 ( I mostly deal with large panels, typically 4 I/O racks).

Everything else 11x17.
Forum: LIVE PLC Questions And Answers October 13th, 2021, 03:54 PM
Replies: 170
Views: 41,325
Posted By Ken Moore
Back in the late 1960's, GM's IT would have been...

Back in the late 1960's, GM's IT would have been known as the MIS department. Management Information Systems. Using IBM mainframes or similar.
Forum: LIVE PLC Questions And Answers October 12th, 2021, 03:31 PM
Replies: 6
Views: 443
Posted By Ken Moore
I suspect you are only changing the tuning,...

I suspect you are only changing the tuning, correct?
If so then you can do individual moves for each of the tuning parameters.
Forum: LIVE PLC Questions And Answers October 12th, 2021, 12:16 PM
Replies: 7
Views: 439
Posted By Ken Moore
To recover a "dead" PCS7 system. 1. download...

To recover a "dead" PCS7 system.
1. download hardware configuration.
2. download netpro configuration to all AS, OS and ES stations.
3. download program ("charts").
4. Start CPU 0
5. When CPU 0...
Forum: LIVE PLC Questions And Answers October 12th, 2021, 08:32 AM
Replies: 16
Views: 1,399
Posted By Ken Moore
In many process applications, Back Pressure...

In many process applications, Back Pressure regulators (BPR ) are not acceptable, because of pressure drop and they cause shearing of materials, which adversely changes viscosity.
Forum: LIVE PLC Questions And Answers October 12th, 2021, 05:58 AM
Replies: 7
Views: 439
Posted By Ken Moore
After the power outage, did you download the...

After the power outage, did you download the hardware configuration?
Forum: LIVE PLC Questions And Answers October 11th, 2021, 04:08 PM
Replies: 3
Views: 371
Posted By Ken Moore
My guess would be in the Redlion configuration.

My guess would be in the Redlion configuration.
Forum: LIVE PLC Questions And Answers October 8th, 2021, 04:09 PM
Replies: 6
Views: 684
Posted By Ken Moore
Can they rotate it 90 degrees? More likely for a...

Can they rotate it 90 degrees? More likely for a retro-fit, it it was 5.1 High x 7 deep x 1.5 wide. And, as noted, front mounted ethernet cables.
Forum: LIVE PLC Questions And Answers October 8th, 2021, 11:24 AM
Replies: 16
Views: 1,399
Posted By Ken Moore
We do these all the time, tuning is also...

We do these all the time, tuning is also dependent on type of pump, line size, viscosity of fluid.

Centrifugal pumps don't start pumping until they reach around +/- 50%.
But positive...
Forum: LIVE PLC Questions And Answers October 7th, 2021, 11:11 AM
Replies: 8
Views: 829
Posted By Ken Moore
The last entry in that thread matches exactly....

The last entry in that thread matches exactly. Guess it's a Lummus standard.
Forum: LIVE PLC Questions And Answers October 6th, 2021, 05:35 AM
Replies: 8
Views: 829
Posted By Ken Moore
I checked the KKS system, wiki translation was...

I checked the KKS system, wiki translation was pretty good. This is not KKS.
Forum: LIVE PLC Questions And Answers October 5th, 2021, 05:37 PM
Replies: 8
Views: 829
Posted By Ken Moore
OT: Process Equipment Tags, European?

Hi folks,

I have encountered two different plants (Both having Siemens PCS-7 control systems) where the tags/symbols for the Equipment was different from what I'm used to, but they both used the...
Forum: LIVE PLC Questions And Answers October 5th, 2021, 02:39 PM
Replies: 11
Views: 847
Posted By Ken Moore
Siemens 1200 series is pretty reasonable price...

Siemens 1200 series is pretty reasonable price wise.
When say "expensive PLC card", how expensive?
Buy OPC software and writing custom code may be more expensive? OPC software often cost more than...
Forum: LIVE PLC Questions And Answers October 4th, 2021, 05:54 PM
Replies: 14
Views: 860
Posted By Ken Moore
Agreed, have one in my pocket. An old timer...

Agreed, have one in my pocket. An old timer taught me this many years ago.
Forum: LIVE PLC Questions And Answers October 4th, 2021, 05:35 PM
Replies: 6
Views: 447
Posted By Ken Moore
You might be able to use the ALM function block...

You might be able to use the ALM function block and use the Rate of change alarms, if ROC is true, then rate has changed.
Forum: LIVE PLC Questions And Answers September 28th, 2021, 04:32 PM
Replies: 17
Views: 1,281
Posted By Ken Moore
Depends on the hydraulic system, some (not many)...

Depends on the hydraulic system, some (not many) have proportional "dump" valves.
The dump valve sends the oil back to the sump. Open the solenoids, and close dump valve until desired setpoint is...
Forum: LIVE PLC Questions And Answers September 21st, 2021, 05:41 PM
Replies: 22
Views: 2,647
Posted By Ken Moore
Not sure with the hexadecimal addressing. Hasn't...

Not sure with the hexadecimal addressing. Hasn't Siemens always been in bytes?

At first I thought early TI, but I don't think so. They always used 1-16 addressing.
Not AB.

So... no help...
Forum: LIVE PLC Questions And Answers September 20th, 2021, 10:48 AM
Replies: 16
Views: 1,083
Posted By Ken Moore
Depends on drive setup also. Unipolar or Bipolar....

Depends on drive setup also. Unipolar or Bipolar.
On some drives, you give a negative speed reference for reverse.
Forum: LIVE PLC Questions And Answers September 17th, 2021, 04:52 PM
Replies: 3
Views: 671
Posted By Ken Moore
A quick search reveals that you need PL7...

A quick search reveals that you need PL7 Software.

https://download.schneider-electric.com/files?p_enDocType=Catalog&p_File_Name=MKTED204012EN.pdf&p_Doc_Ref=MKTED204012EN
Forum: LIVE PLC Questions And Answers September 16th, 2021, 04:34 PM
Replies: 13
Views: 1,321
Posted By Ken Moore
I have found over the years, that management is...

I have found over the years, that management is impressed by fancy graphics. Operators not so much, once they learn to look here, click that, they only want information.
Showing results 1 to 25 of 500

 
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