
20-SIM 2.3 IS AN OLD COMMERCIAL VERSION OF 20-SIM. LOOK AT 
WWW.20SIM.COM FOR A DOWNLOAD OF THE LATEST VERSION OF 20-SIM!

20-sim "Twente Sim" Shareware
Version 2.3 for Windows 95 and Windows NT
(November 2000)

Copyright © 2000 Controllab Products B.V.
All rights reserved.

Please read this document carefully; it contains important 
information about this release of 20-sim information that is not 
documented elsewhere. 

====================================================================
IMPORTANT !!!!!
====================================================================


Controllab Products B.V. (CLP) End User License Agreement 20-sim 2.3 


This is a contract. By installing this software you accept all the 
terms and conditions of this agreement. Upon your acceptance of this 
Agreement, CLP grants to you a nonexclusive license to use the 
Software, provided that you agree to the following:


1. Use of the Software. You may install the Software on a hard disk 
or other storage device; install and use the Software on a file 
server for use on a network for the purposes of (i) permanent 
installation onto hard disks or other storage devices or (ii) 
use of the Software over such network; and make backup copies of 
the Software.  You may make and distribute unlimited copies of 
the Software, including copies for commercial distribution, as long 
as each copy that you make and distribute contains this Agreement.

2. Copyright and Trademark Rights. The Software is owned by CLP. 
The Software also is protected by Dutch Copyright Law and International 
Treaty provisions. You may use trademarks only  insofar as required 
to comply with Section 1 of this Agreement and to identify printed 
output produced by the Software, in accordance with accepted trademark 
practice, including identification of trademark owner's name. Such 
use of any trademark does not give you any rights of ownership in 
that trademark. Except as stated above, this Agreement does not grant 
you any intellectual property rights in the Software.

3. Restrictions. You agree not to modify, adapt, translate, reverse 
engineer, decompile, disassemble or otherwise attempt to discover the 
source code of the Software.

4. No Warranty. The Software is being delivered to you AS IS and CLP 
makes no warranty as to its use or performance. CLP AND ITS SUPPLIERS 
DO NOT AND CANNOT WARRANT THE PERFORMANCE OR RESULTS YOU MAY OBTAIN BY 
USING THE SOFTWARE OR DOCUMENTATION. CLP AND ITS SUPPLIERS MAKE NO 
WARRANTIES, EXPRESS OR IMPLIED, AS TO NONINFRINGEMENT OF THIRD PARTY 
RIGHTS, MERCHANTABILITY, OR FITNESS FOR ANY PARTICULAR PURPOSE. IN NO 
EVENT WILL CLP OR ITS SUPPLIERS BE LIABLE TO YOU FOR ANY CONSEQUENTIAL, 
INCIDENTAL OR SPECIAL DAMAGES, INCLUDING ANY LOST PROFITS OR LOST SAVINGS, 
EVEN IF AN CLP REPRESENTATIVE HAS BEEN ADVISED OF THE POSSIBILITY OF 
SUCH DAMAGES, OR FOR ANY CLAIM BY ANY THIRD PARTY. Some states or 
jurisdictions do not allow the exclusion or limitation of incidental, 
consequential or special damages, or the exclusion of implied warranties 
or limitations on how long an implied warranty may last, so the above 
limitations may not apply to you.

5. Governing Law and General Provisions. This Agreement will be governed 
by the laws of the Netherlands. If any part of this Agreement is found 
void  and unenforceable, it will not affect the validity of the balance 
of the Agreement, which shall remain valid and enforceable according to 
its terms.


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IMPORTANT !!!!!
====================================================================

Important: Version 2.3 is a 32-bit program that runs under 
Windows 9x / NT 4!! Version 2.3 differs from version 
1.0 in several ways. 20-sim version 1.0 users are referred to 
the document "changes.txt". 

Important: Version 2.3 comes with an ANSI-C code Generator that is 
not described in the Reference Manual. First time users are advised 
to read the Tutorial and inspect the pendulum demonstration model.


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INSTALLATION
====================================================================

Directory Structure
During installation (standard installation) the following 
directories are created:


C:\Program Files\20-sim Pro 2.3\bin\		The 20-sim executables
C:\Program Files\20-sim Pro 2.3\help\		The 20-sim Help
C:\Program Files\20-sim Pro 2.3\tutorial\	The 20-sim Tutorial
C:\Program Files\20-sim Pro 2.3\blckdiag\	Linear block-diagram models
C:\Program Files\20-sim Pro 2.3\blcknl\		Non-linear block-diagram models
C:\Program Files\20-sim Pro 2.3\siggen\		Signal, Source & Sink models
C:\Program Files\20-sim Pro 2.3\bondgrph\	Bondgraph models
C:\Program Files\20-sim Pro 2.3\control\	Controller models
C:\Program Files\20-sim Pro 2.3\discrete\	Discrete models
C:\Program Files\20-sim Pro 2.3\logical\	Logical models
C:\Program Files\20-sim Pro 2.3\dellogic\	Logical models (with output delay)
C:\Program Files\20-sim Pro 2.3\old20sim\	Old 20-sim version 1.0 models 
C:\Program Files\20-sim Pro 2.3\projects\	Directory for your own models
C:\Program Files\20-sim Pro 2.3\demo\		Demo models
	
The installation manager will suggest the default path:	
<gen_path> = C:\Program Files\20-sim Pro 2.3
By choosing the option Browse, this path can be changed to any desired 
location.

Startup:
After the installation is completed, a 20sim group will be constructed. 
This group contains 3 icons. 

20-sim 			Starts 20-sim with <gen_path>\projects\ as
			read and write directory (empty)
20-sim Demo		Starts 20-sim with <gen_path>\demo\ as
			read and write directory (demo-models)
20-sim Help		Starts the 20-sim Help

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SYSTEM REQUIREMENTS
====================================================================

20-sim 2.3 runs properly on a computer that meets the minimum 
configuration listed below:

A 486 processor or higher
8 MB of Ram
14 MB hard drive space

Using 20-sim 2.3 in Windows Compatible Environments 20-sim 2.3 
has been designed and tested to operate with the following Windows 
environments:

o Windows 9x
o Windows NT 4.0

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20-sim PRODUCT RANGE
====================================================================

20-sim 2.3 is a old version that has been made shareware to support 
researchers and teachers in developing countries. Currently 
20-sim 3.1 Pro is the top of the line product. You can download a 
demo version from our web-site.

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SOFTWARE SUGGESTIONS AND COMMENTS
====================================================================

Forward suggestions for improvement or any new functional 
requirements for any component of your 20-sim product to:

Controllab Products B.V.
Drienerlolaan 5 EL-RT
7522 NB Enschede
the Netherlands

phone:  +31 - 53 - 4893096
fax: 	+31 - 53 - 4892223
e-mail:	info@20sim.com
WWW:	http://www.20sim.com
