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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Frisbeetarianism, n.:
The belief that when you die, your soul goes up the on roof and
gets stuck.
The belief that when you die, your soul goes up the on roof and
gets stuck.
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Posts from...
Saturday, August 16, 2008
What I'm trying to do is use 3 outputs on a card as a BCD to another device. I'm getting some obvious issues and would like to find out the best way to overcome them.
New Replies:
By Luca Gallina on 16 August, 2008 - 7:04 pm -
By Luca Gallina on 16 August, 2008 - 7:04 pm -
dear Michael,
I disagree with your last statement.
Masking an output byte is a commonly used...
Information about gas turbine SRV functioning
New Replies:
By CSA on 16 August, 2008 - 7:00 pm -
By CSA on 16 August, 2008 - 7:00 pm -
Thanks for including the information about the turbine and control system at your site; though it...
Can someone explain this in detail?
New Replies:
By CSA on 16 August, 2008 - 6:58 pm -
By CSA on 16 August, 2008 - 6:58 pm -
What do the other people say the reason is?
Because the some people are correct; it's just a...
modelling a CHP unit with a gas turbine prime mover.
New Replies:
By CSA on 16 August, 2008 - 6:56 pm -
By CSA on 16 August, 2008 - 6:56 pm -
It would seem your first problem is your assumption that when connected to a grid with other units...
Diagnotstic Alarms appeared on the Mark-V I (Dos based. What might be the problem and its solution?
New Replies:
By CSA on 16 August, 2008 - 6:54 pm -
By CSA on 16 August, 2008 - 6:54 pm -
First of all it might be helpful to understand the acronyms in the alarm text messages.
DCC...
PLC STEP7-400 PROFIBUS
Is a Separate Earth for Intrinsically Safe Instruments required?
New Replies:
By Dick Caro on 16 August, 2008 - 6:51 pm -
By Dick Caro on 16 August, 2008 - 6:51 pm -
There is no such thing as "intrinsically safe earth." All grounding points must be...
I have 1 HP 1-phase motor. I want to know what is effect of capacitor rating on motor amperes, for example if we increase or decrease capacitance...
New Replies:
By Curt Wuollet on 16 August, 2008 - 6:49 pm -
By Curt Wuollet on 16 August, 2008 - 6:49 pm -
Probably, nothing will happen immediately. It will work fine and the cap is only used in starting...
By Bob Peterson on 16 August, 2008 - 1:18 pm - The motor itself draws the same amount of current, with ot without the capacitor.
The voltage...
GE Frame5 machine is experiencing loss of flame trip and high vibration during shutdown.
New Replies:
By CSA on 16 August, 2008 - 6:47 pm -
By CSA on 16 August, 2008 - 6:47 pm -
There's one more thing which can contribute to flame flickering and high exhaust temperature...
By CSA on 16 August, 2008 - 1:49 am - Unless the unit is older and you have been experiencing problems with other wiring, or you suspect...
I need an explanation of the firing temperature of the gas turbine.
New Replies:
By CSA on 16 August, 2008 - 6:36 pm -
By CSA on 16 August, 2008 - 6:36 pm -
No illustration necessary, really. For GE-design heavy duty gas turbines, "firing...
GE Mark-II control system upgrading with latest and reliable control system.
New Replies:
By CSA on 16 August, 2008 - 6:34 pm -
By CSA on 16 August, 2008 - 6:34 pm -
Arbam,
Trying to draw a similarity between the electronics control module of a car (any car)...
By dinster on 16 August, 2008 - 1:54 am - 3. This is getting interesting. Could you please share GEI-100628 Mr. Demigrog?
ainuddin...
By arbam on 16 August, 2008 - 12:43 am - Control system is about a small CPU on your M Benz CPU controlling all panel and machine. As long...
link for the free Down loadable PDF book for Basics of Control and instruments?
New Replies:
By Curt Wuollet on 16 August, 2008 - 1:34 pm -
By Curt Wuollet on 16 August, 2008 - 1:34 pm -
Don't worry Walt, no one was accusing you of those virtues :^) I submit that it _is_ possible to...
By Shahid Waqas on 16 August, 2008 - 1:32 pm - Of course, you, me and the 99% of the control system community.
The only problem is MORAL....
By Marc Sinclair on 16 August, 2008 - 1:27 pm - Hi, I've re-read my post, several times, and I can't see where I said anyone should work for free....
By arbam on 16 August, 2008 - 12:51 am - Try this as well:
http://www.scribd.com and http://canteach.candu.org
A lot of things you can...
By wboyes on 16 August, 2008 - 12:40 am - You know what, Marc? I think you should give away all your engineering. I
think you should work...
Siemens and omron Photo electric cell sensors use a 4 pin connection plug.
from the Help with encoder and PLC program bascis department...
Is anyone experienced with Omron PLC?I saw a previous post of somebody wanting help with using an encoder with a PLC
New Replies:
By Pattrek on 16 August, 2008 - 1:28 pm -
By Pattrek on 16 August, 2008 - 1:28 pm -
The frequency of the pulse train from the encoder will determine the programming approach. If the...
I'm programming in Unity Pro and I want to know: how many sections I can create in a project?
Difficulties in communicating between CitectSCADA v7 and Unity PRO XL using the Modicon M340 due to different addressing structures.
New Replies:
By Medhat on 16 August, 2008 - 1:21 pm -
By Medhat on 16 August, 2008 - 1:21 pm -
Dear Sir
From my experience with Unity Pro and Vijeo Citect Scada I'd like to tell you that the...
How to connect the repeaters and how to place the terminating resistors...
Does any PLC programming software implement the object-oriented-programming concept of "inheritance"?
New Replies:
By Roger Christopher on 16 August, 2008 - 1:19 pm -
By Roger Christopher on 16 August, 2008 - 1:19 pm -
Take a look at...
By James Ingraham on 16 August, 2008 - 1:45 am - Dave:
>Please explain to me EXACTLY
>how DeltaV (PAC) and RSLogix (PAC/PLC)
>do not...
What has been your experience with remote Alarm acknowledgement by Wastewater operations personnel?
Problem to convert application in Intouch 7 to Intouch 10
New Replies:
By wavelet81 on 16 August, 2008 - 1:14 pm -
By wavelet81 on 16 August, 2008 - 1:14 pm -
Hello,
My understanding is that the best way to migrate between different intouch version's is to...
By Burnikell on 16 August, 2008 - 1:48 am - Although the tip below was for Intouch 7 to 8 it may help in that it identifies the SQLGrid files...
During parallel operation, trip of another GT, enabled the load pick up in GT with mark V. Soon this GT start rejecting the load with speed dropping.
New Replies:
By CSA on 16 August, 2008 - 1:13 pm -
By CSA on 16 August, 2008 - 1:13 pm -
Do you have some kind of load sharing control system/scheme in place?
I have to qualify...
By Imran on 16 August, 2008 - 1:44 am - It is quite obvious that when bus frequency drops the GT which is running in droop mode will pick...
Does anyone know if it is possible to comm. between a SLC505 to a ControlLogix using ethernet?
New Replies:
By CH on 16 August, 2008 - 1:11 pm -
By CH on 16 August, 2008 - 1:11 pm -
Yes, a SLC5/05 can create a client connection to a CLX cpu. In the CLX rack, you'll need a...
iNET 900 not communicating well over short outdoor path. Any experience out there?
Anyone have experience connecting Yaskawa Sigma-II to MotionPack SG-1 controller?
from the Automation List department...
suggest a control scheme for regulating three control valves in AutoProblem: We are not able to run the Furnace in Temperature Auto mode (1200 deg C) & we do not know the control philosophy
from the Non ethernet net knowing southerner department...
Ethernet Powerlink v2 (FRABA POSITAL ENCODER) to Contrologix via Ethernet IPEthernet communications
Mark V is reaching its end of lifecycle very soon and there are 2 main choices whether to upgrade to Mark V-e or Mark VI. Which option is the best?
New Replies:
By dinster on 16 August, 2008 - 1:57 am -
By dinster on 16 August, 2008 - 1:57 am -
That's not true at all. The Mark Ve product has very few limitations in HDGT and ST applications. ...
I am interested in applying as a PE in electrical engineering.
New Replies:
By Russ Kinner on 16 August, 2008 - 1:57 am -
By Russ Kinner on 16 August, 2008 - 1:57 am -
In the US, each state administers the Professional Engineering licensing for that state. In my...
I need to choose a suitable PMdc motor for a flywheel (Diametre = 0.38m, m =10kg).
New Replies:
By Interesting on 16 August, 2008 - 1:51 am -
By Interesting on 16 August, 2008 - 1:51 am -
No, the flywheel will not be running in vacuum. And the bearing that I would like to use is a ball...
By Michael Griffin on 16 August, 2008 - 12:59 am - In reply to Robert Scott: For a 12VDC PMDC automotive motor, typical efficiency is about 60% to...
Please, I need information on the fundamental working principles of a gas turbine.
New Replies:
By CSA on 16 August, 2008 - 1:51 am -
By CSA on 16 August, 2008 - 1:51 am -
Google is a simple thing.
Try looking up the Brayton cycle, one of several internal combustion...
Step Up or Step Down transformer
New Replies:
By P.Wakhale on 16 August, 2008 - 1:43 am -
By P.Wakhale on 16 August, 2008 - 1:43 am -
Dear Anonymous,
In my opinion, it will depend upon the Power Flow through the transformer, which...
Operating system change
New Replies:
By Fraser on 16 August, 2008 - 1:40 am -
By Fraser on 16 August, 2008 - 1:40 am -
Have you had any issues trying to get Plantscape R320 OPC Server to communicate with OPC Clients...
CS3000 error message
New Replies:
By Darren on 16 August, 2008 - 12:59 am -
By Darren on 16 August, 2008 - 12:59 am -
Hi,
You aren't trying to write to the systems reserved switches?
These can't be changed and...
DX9100 checksum/BCC calculation
Places on the Net where people can buy Control Gear
Type of input resistance to an analogue card on a PLC.
New Replies:
By Roy Matson on 16 August, 2008 - 12:52 am -
By Roy Matson on 16 August, 2008 - 12:52 am -
I suggest a wire wound 1,000 Ohm.
Perhaps a 10 Turn pot with the appropriate knob that will give...
Can I convert 0-10V directly by resistors to 0-1v?
New Replies:
By CSA on 16 August, 2008 - 12:44 am -
By CSA on 16 August, 2008 - 12:44 am -
It's been too many years since electronics class, but, if I recall correctly depending on the...
I am looking for software to calculate Foundation Fieldbus H1 microcycle.
New Replies:
By Jonas Berge on 16 August, 2008 - 12:36 am -
By Jonas Berge on 16 August, 2008 - 12:36 am -
There is no generic software available to estimate schedule macrocycle. The exact macrocycle...
Codes for valve and other controls
I need help settling an argument!
Can a valid Modbus register ever be a size different from 16 bits?
Can a valid Modbus register ever be a size different from 16 bits?
New Replies:
By Fred Loveless on 16 August, 2008 - 12:25 am -
By Fred Loveless on 16 August, 2008 - 12:25 am -
It really depends on what you are connecting to for a device. If you look at the Modbus spec you...
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