from the Automation and EMS department...Modbus Data transmission time
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.
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...
By Steve Myres on 15 April, 2014 - 12:55 pm -
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...
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 Engineering department...Siemens marshaling wire
Brand name of Siemens' 0.5mm thick marshaling wire
from the AC Drive Panels,Books or Magazines department...AC Drive Panels documentation
Looking for books or magazines that i can use to train with.
from the Fire & Safty department...MICRO 1-EV Board
Searching for MICRO 1-EV board or for an alternative.
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 Forum department...Career Question
How do I get back into the industry?
By AEWynn on 4 April, 2014 - 12:54 pm -
Thanks CWW. You make some very valid points about experience. I have considered submitting...
By AEWynn on 4 April, 2014 - 12:48 pm -
>Which industry? Having done what? Good Questions. I have done projects for following...
By Curt Wuollet on 3 April, 2014 - 11:27 pm -
That's strange, there should be a pressing need for people to work on 10 year old technology. I've...
By Jim Delaney on 3 April, 2014 - 8:43 pm -
Which industry? Having done what? ...
from the OSI vs. Aspen department...OSI Pi versus Aspen Info Plus 21
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
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...
from the dreaded documentation -_- department...O&M manual documentation
Manual write up ideas.
from the Proces Control department...Exe certification
Exe certification of a junction box
The best place to ask this question is with the supplier of the equipment, rather than a generic...
from the Museum department...Ancient Fisher control valve
Docs for Fisher valve body EC
from the Forum department...EExed and EExde certification
EExed and EExde certification and hazardous area question
Hi, this is so called Hybrid method of protection but some cases quite difficult to identify...
from the Automation List department...So What did I use the Clicks for?
Real world example of using the Koyo Click PLC
By OLD guy on 25 March, 2014 - 9:14 am -
Great Review of a great product. These little "gems" of automation are not to be...
from the Automation List department...Bulleri CNC machine servo pinouts
Looking for information about servo pinouts for Bulleri CNC machine
from the Instrumentation Department department...Analytical Instrumentation Handbook
Looking for Analytical Instrumentation Handbook
By Walt Boyes on 19 March, 2014 - 6:27 pm -
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...
By d- on 16 March, 2014 - 2:31 pm -
Bella Liptak is probably the most comprehensive for a good reference....
from the Forum department...Control System Project
Steps for making a PLC based industrial automation project, from scratch
By Bruce Thompson on 18 March, 2014 - 10:09 am -
Your wanting to learn more about Control Systems is commendable. I hope that you will continue to...
from the safety PLC department...PFD calculation for SIL certification
how to calculate PFD of PLC operating in 1002 configuration
from the School department...Wet Leg Pressure Level Measurement
Need assistance on Wet leg pressure level measurement situation
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...
from the Forum department...Please explain like I'm 5 - Phases vs Equipment Modules
Could someone tell me the difference between Phases vs Equipment Modules?
By Rob on 14 March, 2014 - 1:38 am -
An equipment module (EM) is exactly what it sounds like - a collection of equipment (pumps,valves,...
from the instrumentation and control engg department...Proportional control
why the response of proportional control is exponential?
I didn't understand the question either. Maybe a damped approach to setpoint with no overshoot...
By RRiedel on 13 March, 2014 - 9:07 am -
I'm not sure I understand the question. Are you referring to closed loop proportional control? Are...
from the Clueless but competent. department...Build a Servo Hydraulic Multi-Actuator System
Two technicians are going to build a Servo-Hydraulic Actuator System (As a hobby, this is not commercial).
By RRiedel on 13 March, 2014 - 10:20 am -
Size matters. How big of a system are you looking for? What stroke, what speed, what force, and...
from the Automation List department...SB9600/SBEP protocols
Looking for any documentation source, web site, etc. regarding these protocols
By Paul on 8 March, 2014 - 5:43 am -
Hi Check out: http://paulbanks.org/projects/sb9600/ which is an open source library written in...
from the Forum department...Historian to DataWarehouse
Does anyone have experience with moving data from an Historian (PI, Proficy, Aspen, etc..)to a Data-warehouse?
from the Engineering department...Yorkshire Switch gear YSF6
I need user manual or any technical drawings regarding Yorkshire YSF6 circuit breaker 11KV,630A
By Craig on 5 March, 2014 - 5:32 pm -
Does anyone still have a copy of a service/workshop manual for there Yorkshire YSF6 switchgear? ...
from the Instrumentation department...University courses in Canada
looking for some direction on continuing education
By Allen on 4 March, 2014 - 5:45 pm -
I am also a Inst-Jman in Alberta but I also have a 2yr diploma from out east in Toronto. It's...
from the Automation List department...JimPinto.com eNews - 26 February 2014
26 February 2014 the latest eNews is on the web at:
from the department...Digital and Analog I/O - basic info
I need to know the application difference between digital I/O versus analog I/O and advantage and disadvantage in between.
By Ben on 24 February, 2014 - 5:36 pm -
If i am building a robot and i need it to stop after my odometer has gone so many feet. would that...
"Beware of bugs in the above code; I have only proved it correct, not
-- Donald Knuth