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how to start programing in Simatic s7
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By thanks on 16 March, 2010 - 6:33 am -
thanks for your help it is good site thanks again do you have a mind to be friends...
By Jan on 12 March, 2010 - 7:48 pm -
Hello Eslam
Visit website "Controlwiki.com"
Select "PLC Archive"
Select...
How do I calculate the average value of the wind direction when 0° and 360° are the same?
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Hi Ville!
Try to trap 360 value and output it as 0 so to make your average correct. Just add...
By Robert Scott on 13 March, 2010 - 5:53 pm -
Sorry, alex001, your C program does not solve the problem. To see that it does not work, just feed...
By alex001 on 13 March, 2010 - 7:12 am -
I've written the following program in C.
Can you tell me if it works correctly for your problem?
...
By Robert Scott on 20 February, 2010 - 8:12 am -
scadametrics:
Averaging unity direction vectors can also be misleading. Suppose the wind is...
By Aldous on 19 February, 2010 - 8:04 am -
The following site explains meteorological data processing including wind direction and speed. I...
Ville,
IMO, Bob Peterson has the best solution (and it's one of the simplest approaches, too).
...
Organizations who offer Wireless Tank Level Monitoring Systems
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By Jen Millar on 10 March, 2010 - 11:02 am -
If your looking for an effective way to collect real-time information of your tank level, I would...
Looking for used Honeywell FSC hardware
I need Centum 3000 User Guide
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By BB on 27 February, 2010 - 9:07 am -
Please send me your email address....
Good morning,
The best and first place to look for manuals or other documentation is the...
Need DONGLE FOR SIMPLEX 4100-U fire alarm
What makes an electrical schematic a standard one?
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By mior on 25 February, 2010 - 9:59 pm -
Basically, there is no standard in designing the electrical schematic.
You may put whatever...
What are the precautions and ground resistance to be followed when Yokogawa's CS-3000 interface with a SIEMENS SIMOCODE Starters using profibus-DP.
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What are you calling spurious trips? Are you loosing communications with other Simocodes? If so for...
about inertia ratio of servo
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By Carter B on 22 February, 2010 - 8:30 am -
Hello,
I read with big interest your answers on the ratio of slowness and servo-motor. I am at...
Looking for proportional solenoid valve
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By Sam Kumar on 19 February, 2010 - 11:28 am -
Hi:
We manufacture proportional solenoid controlled valves ranging in orifice sizes from...
Error message on SIMPLEX PANEL " F-10 NORTH STAIR PRESS STATUS UTILITY MONITOR
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By Augie on 18 February, 2010 - 10:19 am -
Where is this message showing up at? I'm positive is is not an alarm. What kind of control system...
I'm searching for "TSXPCX3030 USB Driver" to connect to TSXxxx PLCs by TSXPCX3030 cable. I found one on Schneider-Electric Australia, but the link appears to be dead...
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By sayed on 18 February, 2010 - 6:34 am -
I'm searching for "TSXPCX3030 USB Driver" to connect to TSXxxx PLCs by TSXPCX3030 cable....
Why are transformer ratings always given in VA and not in Watt?
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By Dheeraj Shringi on 16 February, 2010 - 6:58 am -
>Do you find that it's common practice (in your industries) to express reactive power in VA...
Trying to find a "Picker Realy?"
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By N2framing on 9 February, 2010 - 7:58 pm -
My goodness Ray...it's been more than 6 years now and I just found this post. So PLEASE forgive the...
need help on a pressure transducer made in England for colours used in the cable need info.
Problem with forced coils in Quantum Proworx
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By Joe Sebastian on 5 February, 2010 - 1:48 pm -
That is how it works. When you delete a coil from the logic it removes the forced state and value....
Why some servo valves tag no is 90 other is 65?
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By G.Rajesh on 4 February, 2010 - 11:32 pm -
Dear Otised, thank you very much...
The reason is GE's interpretation of the NEMA standard used for their nomenclature (tagging) of...
Looking for a method to measure air flow from 24 inch pipe.
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A very interesting approach!
Great story, Roy!
...
By Roy Matson on 1 February, 2010 - 3:25 pm -
Hi,
Many years ago I was asked to do something similar for a mining flotation blower, The...
from the electronics telecommunication department...
urgently required a solution in the form of codeto get information from a buffer into a textfile
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By M Griffin on 2 February, 2010 - 10:17 pm -
For simple "save to a text file" type application, try one of these:
...
reducing the speed of gas turbine and still generate electricity by controlling the fuel flow
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By G.Rajesh on 1 February, 2010 - 9:31 am -
Dear CSA & All,
I have been reading since it posted though I would like to get more details....
By G.Rajesh on 26 January, 2010 - 6:40 am -
Thank you very much for your replies. Lot of doubts have been cleared. The way you answered the...
G.Rajesh,
Remember, some of the first combustion (gas) turbines were used as engines for...
The turbine speed was not raised. Turbine speed is determined by the physical size of the unit....
Thank you, I agree with you GE has the purpose for that, I would like to know, If generator side...
Looking for a small DIN-RAIL mounted potentiometer...
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By Ken E on 1 February, 2010 - 8:22 am -
This isn't an exact answer, but we often use the phoenix (or Wago) din rail PCB carriers and...
By curt wuollet on 30 January, 2010 - 2:46 am -
One or maybe more of the AD wannabes carries small housings that mount on a DIN rail and they are...
By Russ Miller on 29 January, 2010 - 11:04 pm -
Yea, just looking to keep it really simple, and I know I've seen them in the past....
By M Griffin on 29 January, 2010 - 8:11 pm -
You can get empty DIN rail adaptors from a lot of sources. I have seen people simply buy a pot,...
The company I work for, Fisher & Paykel, has chosen to phase down its Programmable Controller (PLC) business to a support service only for
existing customers, and subsequent to this is selling the intellectual
property from this business.
existing customers, and subsequent to this is selling the intellectual
property from this business.
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By Rob on 1 February, 2010 - 12:54 am -
Hmm, yeah, that's getting pretty old now I'm afraid.
The only places I knew of that had this...
By Steve Brewster on 31 January, 2010 - 7:19 pm -
Anyone know where there may still be modules for PSC2 around? We need replacements for an otherwise...
need help making the logic to perform the calculations to exchange 4-20mA into a pulse output
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By Jan on 31 January, 2010 - 4:11 am -
Dear Outacontrolman
You do as follows:
Call website "Controlwiki.com",
Select...
from the Controls for converting a Frame 6 to Nat'l & #2 Fuel Oil department...
GE Frame 6 Dual Fuel ConversionI am investing ideas for the best control technology for converting a GE Frame 6B from Nat'l Gas to Dual Fuel and Black Start.
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By Terry Meikle on 26 January, 2010 - 12:13 pm -
I have not taken action yet. I am again investigating the conversion cost to evaluate the pay back...
electrical book in pdf on net
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You can visit the "Technical Publications" pages Schneider Electric web site. You will...
By Smart on 25 January, 2010 - 7:55 am -
Hey,
pls check http://free.electricalbooks.co.cc/ , it's also having a lots of links to free...
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