FREE Downloading of DOS Version of TRiLOGI:
Version 4.1 (Evaluation, 420K)

Installation will include both Version 3.3 for E10 and H-series and Version 4.1 for T100MD+ and T100MX+ PLCs (Date stamp: Aug 15 1999)

TRiLOGI software is the industry's most user-friendly Ladder Logic Editor + Simulator Software. An educational/evaluation version of this program is available for FREE downloading here! This highly acclaimed PLC (programmable logic controller) software has been used by many companies, colleges and technical institutes in many countries to train new users on ladder logic programming, including Australia's RMIT, TAFE and USA's Old Dominion University, Purdue University, Kent State University, etc. It is the only free ladder logic software which allows real-time, off-line simulation of users' programs on the fly on any IBM compatible PCs! This makes it a highly productive tool for new users or students to learn ladder logic programming without having to fight for often limited "PLC training stations".  It is thus possible for the trainers to set more challenging problems and test student-solutions easily with the help of the simulator.

The software is actually an evaluation version of our TRiLOGI Ladder Logic Editor, Simulator and Downloader software used for programming our entire range of Programmable Controllers. The only difference being that the evaluation version does not support communication with the actual PLC, which is NOT needed at all for simulation test of the ladder program.

I. Evaluation version of TRiLOGI - Features and Restrictions

The evaluation version is almost identical to the fully functional version except with some modifications being made to the communication modules. You can create and save ladder logic program, simulate and test them thoroughly as though programming for a real-world PLC application. The only restriction is that the created programs cannot be transferred to the target PLCs using the evaluation version of TRiLOGI.

However, because users who are using the evaluation version of TRiLOGI usually means that they have not yet purchased the PLC, communication with the target PLC such as "Program Transfer", "On-Line Monitoring" etc cannot be performed in any case. Hence in the evaluation copy of TRiLOGI these functions are not truly implemented. Instead the user is presented with a mock-up display on screen to demonstrate what will happen when the actual target PLC is connected and the relevant command is executed. Despite the restrictions, the evaluation version of TRiLOGI is itself a great learning and simulation tool for new or experienced Ladder-Logic programmers alike who are able to quickly test out their ladder programs without connecting a single wire!

II. Installing TRiLOGI Software

The evaluation version of TRiLOGI software is available here for free downloading. You are reminded to read our copyright notice pertaining to the downloading of copyrighted materials.

Please click at EITHER ONE of the following links:

1) Self-Extracting ZIP file (unzip in Windows 3.1 or Windows 95/98 only) - TLEVAL.EXE . Enter the drive or directory you wish to install TRiLOGI evaluation program (default is "c:\tleval" ) and click "unzip".

                         OR

2) Compressed ZIP file (run in DOS) - The TRiLOGI (evaluation) software is compressed into a ZIP file - TLEVAL.ZIP and you can download this file into a temporary directory and unzip it using one of the popular unzip software. Two files will be extracted:

• INSTALL.BAT
• TLEVAL.EX_

At the DOS prompt, enter the command "INSTALL C:" to install the TRiLOGI software to drive C: (or any other disk drive letter). A new directory: "TLEVAL" will be created on the disk together with other sub-directories.

III. Running TRiLOGI (Evaluation)

At the DOS prompt, type "TL" followed by the <Enter> key to start the program. Three versions of the programs are provided:

• Version 3.3E - Exclusively for the E10 PLCs
• Version 3.3 - For all the H-series PLCs.
• Version 4.1 - For all the T100MX family of Super PLCs.

You will be prompted to select the PLC type from the menu. Alternatively, you may start the relevant version of TRiLOGI program directly by running the following batch files:

1. E10 (Version 3.3E) : TLE.BAT
2. H-series PLC (Version 3.3): TLH.BAT
3. T100MD / T100MX PLC (Version 4.1): TLM.BAT

IV. TRiLOGI Programmer's Reference Guide

Although it is only a DOS based program, TRiLOGI's extensive use of pull-down menu, pop-up windows and on-line, context-sensitive help system make it the most user-friendly relay-ladder program editor on the market today. We have made available the TRiLOGI Programmer's Reference Part One and Two for downloading from this website. 

Part One is the Ladder Logic portion of the TRiLOGI software which is applicable to all our PLCs from E10 to T100MD1616+. Part Two is devoted to the TBASIC programming language that is only applicable for the M-series PLCs run TRiLOGI Version 4.1. Both documents are stored in the popular Adobe Acrobat PDF format for downloading from the link below.

TRILOGI Programmer's Reference Manuals (in PDF format): 1)  Part One:  Ladder Logic Editor  Reference -  trilogi.pdf  (253K) 3) Part Two:   TBASIC Reference - tbasic.pdf (300K)  Note: The above files require Adobe Acrobat 3.0 Reader to view.  The Reader can be downloaded  FREE from the link shown on the right.

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