ControlDraw
Dedicated to improving your control systems with Process Control System models
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Do you use Process Automation Control Systems ?
For example DCS, PACS and PLC/SCADA systems
If you use them, specify or design or program them ControlDraw can help document then and even simulate parts

Do you produce long technical documents, draw diagrams with Visio or PowerPoint, maintain data in spreadsheets, and maybe use a database too?
And do you struggle to keep the documentation up to date when there are changes.
Or do you document the system after you have programmed it because it is too slow and hard documenting before or as you go along?
There is much a better way!

ControlDraw is an object based process automation modelling system, for Engineers working with Process Control system. It is also a database for ISA88 models

ControlDraw is Free for all.

You can use it to generate all the documents and data for the life cycle of a system. And to improve your design whilst ensuring consistency and even simulating your module designs.

ControlDraw provides unique integrated diagram, text and data handling functions for the design, specification, simulation and documentation of Process Control Systems. And for the production of Process Flow Sheets and instrument indexes

ControlDraw has been designed for S88 batch, continuous and discrete processes and is used by the system integration, engineering and process industries.......More

A fully functional copy is available , click to Download

With the ControlDraw Reviewer you can View and print the entire diagram and data content of ControlDraw 2 or ControlDraw 3  models, and export PDF files. You can also run the diagrams in simulation mode.
It also provides facilities for ControlDraw project clients to quickly navigate a model and to add comments on the diagrams. 

You can even run the model simulations.. With the reviewer you can also compare two models on screen create detailed compare reports
You can also use the reviewer to generate Test Sheets for your project.
The Reviewer and Commenter program is installed when you install ControlDraw itself.

 

Do you  want to read the manual, before trying it out? Look no further than the ControlDraw Online Manual.
Or for a printable version click here

NEW - Download a PowerPoint training presentation (a bit out of date)

ControlDraw Ltd also provides services to help you.

Online Demos are available - please contact us for details

Want to write a User Requirements Specification? 
Take a look at www.urswriter.com

Control Engineering

See also ControlDraw.com Site
 Examples of Models as Webs

Just surfing? Doing your homework? 
This site is concerned with Control Engineering. If you are interested in this then please have a look around this site.

You could start on the page for the Curious  
Here you will find a short explanation of 'Control Loops' and links to other Control sites. In particular you can find out about the process control systems that are used to make 'stuff', such a chemicals, pharmaceuticals and food.

The concept behind Control is that if you can measure something in a process and also do something that affects that process in a predictable way then you should be able to effect some control. It's called Feedback.

ControlDraw Ltd provide software tools and consulting services for the design and documentation of the control systems used in process industries.

If you are seeking services for Process Automation then ControlDraw can help you -  have a look at the Services section.

If you are looking for S88 Batch Control Information try the S88 Links page