Welcome to Control.com, the global online community of automation professionals.
Control.com - Nerds in Control
Member Login
Search
Jump to a Date
Sponsored Communities
Cool stuff
Twitter Feed
Neat Stuff
Visit our shop for nerds in control lifestyle products.
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
I took a course in speed reading and was able to read War and Peace in
twenty minutes. It's about Russia.
-- Woody Allen
twenty minutes. It's about Russia.
-- Woody Allen
RSS Feed
Use this link to get an RSS feed of the Control.com article flow, for private, non-commercial use only:www.control.com/rss/
To get a personalized feed, become a member at no cost.
Coriolis Flow Meter plugs up after few minutes of operation.
New Replies:
By Rob Sorbara on 11 November, 2009 - 3:45 pm -
FT, What is your process fluid and what make and model of Coriolis sensor do you have? How is the...
Hello FT
may be You need to be filter in front of the meters or strainers or upgrade the size of...
Manual for babcock bristol A7616 pneumatic rotary actuator
wonderware conversion from v5.0 t0 v7.1
New Replies:
You have a 16 bit VB app DOSRelay.exe as part of your application. This will need recompiling in a...
problem in converting from electrical to mechanical power
Need to connect Micrologix 1100 PLC to Agilent 34980A.
New Replies:
I think I see what you are saying. We are using Visual Basic to compile the data from the Agilent...
data mapping between SCADA and OSI-PI System
My machin is GE MarkV Frame 9E DLN2.
after three month we did fuel change over gas to
disillate.
But during test the machin tripped and "DWAT TOO LOW to suport TNR" ALARM apeared.
after three month we did fuel change over gas to
disillate.
But during test the machin tripped and "DWAT TOO LOW to suport TNR" ALARM apeared.
New Replies:
This topic has been covered before on control.com. If you haven't used the 'Search' feature, please...
Auto tuning in ABB 800XA system
New Replies:
By Rob on 10 November, 2009 - 6:42 pm -
I'm sorry but I'm going to be a little blunt here
Do NOT use the Autotune facility until you...
Q Point Mystery & Importance
New Replies:
By curt wuollet on 10 November, 2009 - 4:52 pm -
Actually, I think the way to think of that is that the AC load line _will_ intersect the DC load...
Three phase motor's current is imbalance
New Replies:
By Phil Corso on 10 November, 2009 - 4:39 pm -
Adil... Roy reminded me of another point.
If this motor is located in a Classified Area, and it...
What exactly u mean by stator winding phase-to-phase and phase-to-neutral?
I've checked the...
By Roy Matson on 9 November, 2009 - 5:09 pm -
Rahmad,
You missed the whole point of my low voltage tests. Measuring Ohms with an Ohmmeter you...
By rahmad_yusni on 8 November, 2009 - 3:39 am -
Adil,
check and measure stator winding. there is difference measurement (ohm) stator winding...
Diffferential protection
New Replies:
By Phil Corso on 10 November, 2009 - 11:53 am -
Rahmad... if used solely for gen protection, then:
o Age?
o Type- airgap, horn,...
By rahmad on 9 November, 2009 - 10:27 pm -
Ok thank you very much
for lightning arrestor
Plan, we're repairing lightning arrestor, like is...
By Phil Corso on 8 November, 2009 - 12:42 pm -
Responding to Rahmad's 08-Nov-09 (03:05) post...
1) Differential Protection.
In this scheme two...
By rahmad_yusni on 8 November, 2009 - 3:08 am -
Dear Mr Phil,
1. i still confuse your statement about how to work differential relay in...
Both hazardous and non-hazardous area have active power loop. What type of safety barrier to be used?
New Replies:
By Ger on 10 November, 2009 - 11:14 am -
Signal Isolator required here, P&F KFD2-CD-eX1.32. This will require A 24VDC POWER SUPPLY. or...
Technical Data needed for a T.I. Model 500 backplane.
Can only read 6 registers from Controlotron 1010 flow meter via Modbus
New Replies:
By Angel on 10 November, 2009 - 4:38 am -
First of all, thank you for your answers.
Yes, the EPROM version is 5.1.
The problem here,...
What is input span?
New Replies:
By John D on 9 November, 2009 - 9:08 pm -
Thank you very much for your help.
Much appreciated.
John D....
By issac on 9 November, 2009 - 5:34 pm -
Depending on context, input span is either
- the range of input, from lower to upper
- the top...
By Roy Matson on 9 November, 2009 - 5:13 pm -
It wants to know what the span of the device you are connecting
e.g.
Pressure transmitter 50 -...
I'd like to pull data from the Telemecanique Zelio Logic Relay.
New Replies:
I really would like to thanks all of you for dedicating time to answer my post. I only want to...
No fault occurence on delta corner grounded transformer.
New Replies:
By Phil Corso on 9 November, 2009 - 7:39 am -
Blackstone...
Contact me off-list with your full name, company affiliation, title or job...
Dear Phil,
In regards with your reply, i have seen and read the thread but i am still confused....
By Phil Corso on 7 November, 2009 - 10:24 am -
Blackstoneboy... for more info see:
http://control.com/thread/1026222559
Regards, Phil Corso...
what type of JB shall be used for IS & NIS signals?
New Replies:
NIS loop if enclosed in EEXe enclosure, should be adequate for Zone 1 & 2 application....
I understand that the IS signals are safe because the energy is being limited by the use of so...
Horizontal clearance for positioning 132 KV/22OKV Electricity Transmission towers from highways
New Replies:
Thank you very much Phil.
I WILL TRY AND COME BACK
PARTHIPAN...
By Phil Corso on 7 November, 2009 - 3:34 pm -
Parthipan... try ANSI/IEEE Std C2.
Phil
...
Inverter duty motors
New Replies:
By M Griffin on 8 November, 2009 - 1:16 pm -
An inverter will have lots of high frequency noise on its output. This rapid voltage change (dv/dt)...
By William Sturm on 8 November, 2009 - 12:01 pm -
Are you trying to utilize an existing motor? As mentioned, most new motors are inverter duty. One...
By KRA on 8 November, 2009 - 1:27 am -
Dear All,
Thanks for your advices.
Mr. William Sturm, I have to use inverter (Soft starter is...
By Roy Matson on 7 November, 2009 - 2:22 pm -
Most modern motors are built for inverter duty. You can run one that's not but run the risk of it...
By William Sturm on 7 November, 2009 - 12:20 pm -
It seems that what you really need is a soft starter, not an inverter. A soft starter will ramp up...
what is the range of insulation resistance value expected for 132 KV COPPER POWER CABLE?
New Replies:
By Phil Corso on 7 November, 2009 - 3:30 pm -
Parthipan... thank you for keeping me informed of your findings... a common courtesy lacking in so...
It is very kind of you. Today the cable was meggered and the readings in 5kv megger was:
for 1...
MBA project- Gathering information on what aging automation systems are present in plants and the mechanism to dispose of no longer used parts.
New Replies:
By David on 7 November, 2009 - 10:25 am -
In IE 7, the URL you provided went to the homepage of the survey provider, it did not go to your...
Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2009 Nerds in Control, LLC. All rights reserved.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Patronize our advertisers!