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Control.com topic...
Information
Topic: Communications systems and equipment.
from the Automation and EMS department...
Modbus Data transmission time
Originally posted by Bhadresh Sarvaiya on 12 April, 2014 - 7:58 am
How to calculate time to receive data from slave to master in daisy chain connection of slaves, if my slaves are 20 and single master.
New Replies:
By Patrick Lansdorf on 16 April, 2014 - 1:55 am -
Hi, I have made a simple Excel sheet, where one can calculate the line time. You will need to...
Slick idea on the prefetch! ...
By Lynn August Linse on 15 April, 2014 - 9:31 am -
>> What's a rule-of-thumb value for >> RTU-TCP latency in a Digi Modbus bridge...
By Bhadresh Sarvaiya on 15 April, 2014 - 1:29 am -
> Mr. Linse, > What's a rule-of-thumb value for RTU-TCP latency in a Digi Modbus bridge...
Mr. Linse, What's a rule-of-thumb value for RTU-TCP latency in a Digi Modbus bridge product? ...
By Lynn August Linse on 14 April, 2014 - 10:36 am -
Just be careful to accommodate the delay-back off during failure. With a single device, it might...
By Bhadresh Sarvaiya on 13 April, 2014 - 5:14 am -
Thank you for your kind reply.. but i didn't get answer as i want.. i didn't understand your...
You know - the word size, 11 bits - the number of words in the master message - silent...
Topic: Motion control, servos, steppers, etc.
from the Power Electronic Engineering department...
Medium Voltage Drive Variable Frequency Drive
Posted by Mahesh Thapaliya on 15 April, 2014 - 2:26 am
Application of Medium Voltage Drive in industry to save energy, obtained desired output
Topic: Power generation equipment control.
from the Engineering department...
Siemens marshaling wire
Posted by Raymond Mpofu on 14 April, 2014 - 8:16 am
Brand name of Siemens' 0.5mm thick marshaling wire
Topic: Information resources, documentation.
from the AC Drive Panels,Books or Magazines department...
AC Drive Panels documentation
Posted by Charles Gumm on 9 April, 2014 - 11:07 am
Looking for books or magazines that i can use to train with.
Topic: Information resources, documentation.
from the Fire & Safty department...
MICRO 1-EV Board
Posted by Ravi on 8 April, 2014 - 7:00 am
Searching for MICRO 1-EV board or for an alternative.
Topic: Motion control, servos, steppers, etc.
from the Clueless but competent. department...
Building a Servo Hydraulic Multi-Actuator System
Posted by Dan on 4 April, 2014 - 1:47 pm
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.
Topic: Information resources, documentation.
from the Forum department...
Career Question
Originally posted by AEW on 3 April, 2014 - 4:39 pm
How do I get back into the industry?
New Replies:
Thanks CWW. You make some very valid points about experience. I have considered submitting...
>Which industry? Having done what? Good Questions. I have done projects for following...
That's strange, there should be a pressing need for people to work on 10 year old technology. I've...
Which industry? Having done what? ...
Topic: Continuous process industries, DCS questions.
from the OSI vs. Aspen department...
OSI Pi versus Aspen Info Plus 21
Originally posted by holger on 6 July, 2010 - 6:22 am
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
New Replies:
By Tapas Bhattacharyya on 3 April, 2014 - 4:23 am -
The discussion about comparing the selection is very informative. To do better analysis, the areas...
Topic: Information resources, documentation.
from the dreaded documentation -_- department...
O&M manual documentation
Posted by hibik1 on 2 April, 2014 - 4:29 am
Manual write up ideas.
Topic: Engineering and workplace issues.
from the Proces Control department...
Exe certification
Originally posted by Sumesh on 1 April, 2014 - 3:13 am
Exe certification of a junction box
New Replies:
The best place to ask this question is with the supplier of the equipment, rather than a generic...
Topic: Information resources, documentation.
from the Museum department...
Ancient Fisher control valve
Posted by Geir on 27 March, 2014 - 10:34 am
Docs for Fisher valve body EC
Topic: Information resources, documentation.
from the Forum department...
Soliciting Career Advice
Posted by AEWynn on 26 March, 2014 - 2:36 pm
Looking for career advice.
Topic: Engineering and workplace issues.
from the Forum department...
EExed and EExde certification
Originally posted by KHG on 3 December, 2013 - 2:15 pm
EExed and EExde certification and hazardous area question
New Replies:
Hi, this is so called Hybrid method of protection but some cases quite difficult to identify...
Topic: PLCs and related questions.
from the Automation List department...
So What did I use the Clicks for?
Originally posted by Curt Wuollet on 22 March, 2014 - 8:37 pm
Real world example of using the Koyo Click PLC
New Replies:
Great Review of a great product. These little "gems" of automation are not to be...
Topic: Motion control, servos, steppers, etc.
from the Automation List department...
Bulleri CNC machine servo pinouts
Posted by Ghantos Basim on 23 March, 2014 - 5:26 am
Looking for information about servo pinouts for Bulleri CNC machine
Topic: Information resources, documentation.
from the Instrumentation Department department...
Analytical Instrumentation Handbook
Originally posted by Dalamagkas Konstantinos on 15 March, 2014 - 1:29 pm
Looking for Analytical Instrumentation Handbook
New Replies:
Here you go: Analytical Instrumentation by Bob Sherman. ...
I know BELA book. I was thinking of something else, a bit more practical and more oriented to...
Bella Liptak is probably the most comprehensive for a good reference....
Topic: Information resources, documentation.
from the Forum department...
Control System Project
Originally posted by Aman on 17 March, 2014 - 2:07 pm
Steps for making a PLC based industrial automation project, from scratch
New Replies:
Your wanting to learn more about Control Systems is commendable. I hope that you will continue to...
Topic: Engineering and workplace issues.
from the safety PLC department...
PFD calculation for SIL certification
Posted by chiru on 18 March, 2014 - 8:22 am
how to calculate PFD of PLC operating in 1002 configuration
Topic: Information resources, documentation.
from the School department...
Wet Leg Pressure Level Measurement
Originally posted by Jerry on 15 March, 2014 - 8:29 pm
Need assistance on Wet leg pressure level measurement situation
New Replies:
Hi, the best way to understand what is happening to the signal is to make a sketch of the...
(There is no reason why the seal liquid should have an SG greater than the process fluid - if the...
Originally posted by Rhonage on 13 March, 2014 - 3:41 pm
Could someone tell me the difference between Phases vs Equipment Modules?
New Replies:
An equipment module (EM) is exactly what it sounds like - a collection of equipment (pumps,valves,...
Topic: Continuous process industries, DCS questions.
from the instrumentation and control engg department...
Proportional control
Originally posted by saarathi on 5 March, 2014 - 4:18 am
why the response of proportional control is exponential?
New Replies:
I didn't understand the question either. Maybe a damped approach to setpoint with no overshoot...
I'm not sure I understand the question. Are you referring to closed loop proportional control? Are...
Topic: Motion control, servos, steppers, etc.
from the Clueless but competent. department...
Build a Servo Hydraulic Multi-Actuator System
Originally posted by Bob Vandervart on 20 February, 2013 - 12:16 pm
Two technicians are going to build a Servo-Hydraulic Actuator System (As a hobby, this is not commercial).
New Replies:
Size matters. How big of a system are you looking for? What stroke, what speed, what force, and...
Topic: Information resources, documentation.
from the Automation List department...
SB9600/SBEP protocols
Originally posted by Kovac Istvan-AIK001C on 1 September, 2000 - 8:30 am
Looking for any documentation source, web site, etc. regarding these protocols
New Replies:
Hi Check out: http://paulbanks.org/projects/sb9600/ which is an open source library written in...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Historian to DataWarehouse
Posted by talh on 7 March, 2014 - 10:09 am
Does anyone have experience with moving data from an Historian (PI, Proficy, Aspen, etc..)to a Data-warehouse?
Topic: Engineering and workplace issues.
from the Engineering department...
Yorkshire Switch gear YSF6
Originally posted by sasi on 22 June, 2007 - 2:05 am
I need user manual or any technical drawings regarding Yorkshire YSF6 circuit breaker 11KV,630A
New Replies:
Does anyone still have a copy of a service/workshop manual for there Yorkshire YSF6 switchgear? ...
Topic: Information resources, documentation.
from the Instrumentation department...
University courses in Canada
Originally posted by Justin S on 4 March, 2013 - 9:31 am
looking for some direction on continuing education
New Replies:
I am also a Inst-Jman in Alberta but I also have a 2yr diploma from out east in Toronto. It's...
Topic: The Business of Automation and Control
from the Automation List department...
JimPinto.com eNews - 26 February 2014
Posted by Jim Pinto on 25 February, 2014 - 7:22 pm
26 February 2014 the latest eNews is on the web at:
http://www.jimpinto.com/enews/26feb2014.html
Originally posted by Daniel Johnson on 8 January, 2001 - 9:43 am
I need to know the application difference between digital I/O versus analog I/O and advantage and disadvantage in between.
New Replies:
If i am building a robot and i need it to stop after my odometer has gone so many feet. would that...
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