from the Forum department...Controlling flow and pressure to a spray ball
How to control flowrate and pressure with a positive displacement pump.
A positive displacement pump is essentially a constant-flow device, with discharge pressure...
from the Forum department...Running induction motors beyond the rated speed using VSD
Induction motor running beyond rated speed
By Sagar on 26 May, 2014 - 5:39 am -
I don't think speed will go beyond rated speed if we have already fix the limit in the VFD....
from the Automation List department...Can Siemens PCS7 be considered as a True DCS?
All the Vendors claim their offering is a true DCS and 'can perform the assigned role'...
By KSC on 23 May, 2014 - 8:20 am -
Hi every one (I am fresher fellow) I read all the above posts but still i could not conclude...
from the ABB Advant department...ABB OS500 upgrade
ABB OS500 upgrade to newer version HP B2600
By Curt Wuollet on 16 May, 2014 - 7:27 pm -
I did backups that way for years and it worked when needed. But there are programs such as G4L...
from the Forum department...Modbus TCP to PLC using vb.net
visual basic code to write to a Schneider Premium PLC via TCP. The only problem is that i cannot read the response back from the PLC.
By martijn pijpers on 16 May, 2014 - 7:06 pm -
> My dll can do all of this and it's free. It's called Shortbus. Look up "shortbus modbus...
from the serious department...TXP control system administration
is there a way to take an image of ES, PU, SU, OT, without using SCSI tape reader
from the Critical classification department...PLC in Class 1 Div 2, cooling options
are cooling options available for panels in Class 1 Div 2 areas?
By Steve C on 15 May, 2014 - 1:02 pm -
Hello, these are even better enclosure coolers: Check out these guys...
from the Forum department...Android touch panels
Best Android touch panels with IP protection
http://turbocontrol.com/gnuroot.htm I just updated the page above with a new example that opens...
>What is the ultimate goal for this? Since you mentioned C# please see my response (the 6th...
By Ken E on 25 March, 2014 - 9:21 am -
What is the ultimate goal for this? I have broken down and run embedded windows for the HMI on some...
Running a linux x11 GUI app on an Android device may have just gotten a lot simpler! GNURoot has...
By Paul Breneman on 20 March, 2014 - 12:31 pm -
I just added a bit more information (and a few links) to this page that I mentioned several days...
>> Out of curiosity, why do you avoid using Android? Android (and iOS) is *much* more...
from the AKH department...4-20 ma HART Transmitter
HART transmitter showing only 4 ma or 3.9 ma but it should show 12 ma as per process variable indicated in HART communicator.
By Roy Matson on 9 May, 2014 - 3:38 am -
Adding to David It could also be the loop is not set up with the proper Voltage or load. It...
Without knowing what the function of terminals 1, 2, 3 and 4 are, it's not possible to determine...
from the dengs department...What kind of electrical CAD software is most used?
what kind of electrical CAD software is most used by you guys?
By Dennis on 8 May, 2014 - 11:09 am -
Hi, I find WSCAD software is very good, its easy to learn and easy to use! Its not overladed as...
from the Modbus connectwith android using TCP department...Modbus connect with Android via TCP
we can connect android APP with modbus simulator (mod_RSsim.exe) using socket connection. but we couldn't write and read values from registers using functions from "jamod-1.2-SNAPSHOT.jar".
we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
By HBAttila on 6 May, 2014 - 1:32 pm -
Hi, I suggest to you a freeware software for communication with Modbus TCP/RTU devices. It is...
from the Instrumentation Department department...Multihole orifice plate
User experience in use of multihole (conditioning) orifice plate
from the Damper control department...Generator damper control
Changing from pneumatic damper control to electronic damper control
from the Forum department...DCS Clock Malfunction
Can the malfunctioning of the GPS clock trigger the ESD bits and shutdown the running plant?
from the Forum department...Transformer Multiple Grounding
Paralleling Transformer earthing connection
By Curt Wuollet on 27 April, 2014 - 9:36 pm -
Why use single grounding? My first thought would be because that's what the customer wants. ...
from the Automation List department...JimPinto.com eNews 25 April 2014
The latest JimPinto.com eNews is on the web
from the Forum department...How To connect Vijeo citect with Untiy Pro XL
help me to connect Vijeo citect and unity pro xl
from the Forum department...Yokogawa error message
Yokogawa error message
By Steve Martin on 23 April, 2014 - 12:10 am -
You've basically created a tag without it being registered in the taglist. This can be done if you...
from the Power Electronic Engineering department...Medium Voltage Drive Variable Frequency Drive
Application of Medium Voltage Drive in industry to save energy, obtained desired output
from the Forum department...Clarification about droop and frequency control
Turbo-generator response to changes in the power grid frequency.
Dear All, I am working on Hitachi Gas Turbines and Shin Nippon Steam turbines. There are three...
By bruce on 11 April, 2014 - 11:23 am -
Dear mik, Droop is a function in the turbine controller to help controlling frequency on the...
from the Annoying Exceptions department...Negative Acknowledge and Bad Karma
How do you feel about security exceptions not being, you know, informative?
By JulieInAustin on 13 April, 2014 - 2:24 pm -
> What product are you working on, and are there any other security enhancements you are making?...
By JulieInAustin on 13 April, 2014 - 2:16 pm -
> Wait....when Digi hires you, you'll STOP writing code?? Digi -- don't hire Julie! No, Digi...
from the Fire & Safty department...MICRO 1-EV Board
Searching for MICRO 1-EV board or for an alternative.
from the snoozing while computers control. department...Missing flight 370 is a control issue
Long haul pilots today...program the flight management systems and snooooooooze
By Multatuli on 7 April, 2014 - 6:36 am -
SOE Multatuli. Squence of events. 1) Altimeter readings incorrect: ...
By TOD on 1 April, 2014 - 10:12 pm -
AP. Asiana wrote in the filing made public by U.S. accident investigators that the Boeing 777...
By MCC on 24 March, 2014 - 7:06 pm -
I wonder! If units for scale entry (Ft/Mt/Km)into the FMS was correct, If applicable. Using the...
By MCC on 19 March, 2014 - 8:58 am -
>>>> Is it not possible the aircraft could have flown into the ionosphere? > It...
By Robert Scott on 18 March, 2014 - 5:40 pm -
> Why is this question not asked.. > Is it not possible the aircraft could have flown into...
By d- on 18 March, 2014 - 11:07 am -
it is certainly not the first passenger craft to be lost under similar circumstances What is...
from the Clueless but competent. department...Building a Servo Hydraulic Multi-Actuator System
Two technicians are going to build a Servo-Hydraulic Actuator System (As a hobby, this is not commercial). Looking for possible suppliers of used components.
from the Automation List department...Why the Need for Bias in Proportional Only Control?
Can anyone advise me on why in a Proportional only control, we need to add a Bias term?
By Hans H. Eder on 1 April, 2014 - 2:18 pm -
The equation you presented gives you the answer: "The equation for "P" only...
By Steve Myres on 31 March, 2014 - 11:26 am -
Think of it as "poor man's integral". For one specific value of load, you can control to...
By zeinolla on 31 March, 2014 - 3:59 am -
you can decrease P controller error offset by adding additional signals from process disturbance to...
from the Instrument department...Adding Process values in Centum CS3000
Tag not found error when adding process values to fcs from cs3000 yokogawa.
from the Materials department...Dissimilar Metals Galvanic Corrosion: SS Tubing Connected to CS Pipe - Is it a concern?
If dissimilar metal contact is not a good practice, how come instrument SS tubes are usually directly connected to CS process piping?
By RussB on 27 March, 2014 - 9:21 am -
I am not a metallurgist, but I did sleep at a Holiday Inn once. The difference between Cold...
from the R&D department...IAR Embedded Workbench software
Working on Kiel version 4 - get message saying type qualifier on return type is meaningless.
from the Forum department...Control valve Placement
correct control valve placement
from the Automation List department...Wire marking methods
A local panel shop is constructing a small water tower control panel for me...
By Barb on 17 March, 2014 - 10:11 am -
Like the other comment, I also came across this while doing a google search and found it very...
Over the years, I've developed my sense of deja vu so acutely that now
I can remember things that *have* happened before ...