Home > Product > Solutions > Soft PLC, ISaGRAF & eLogger HMI > What is ISaGRAF?
ISaGRAF can not be installed in 64-bit PC with Windows 7 and Window 8. There is a better SoftLogic software
"Win-GRAF" (please visit the Win-GRAF web for more information).

ISaGRAF is the most powerful SoftLogic package on the market. ISaGRAF is a PLC-like software running on Windows 95, 98, NT 2000, XP, Vista and Windows7. It supports IEC 61131-3 standard PLC programming languages - Quick Ladder (LD), Function Block Diagram (FBD), Sequential Function Chart (SFC), Structured Text (ST), Instruction List (IL) plus Flow Chart (FC) and can run the application generated by the workbench on any ISaGRAF PACs. Additionally, for the ultimate in power and flexibility, ISaGRAF supports off-line simulation, on-line debugging, monitoring and control.

  Wanna see an ISaGRAF Presentation?
ISaGRAF Products (: 6.8 MB)
ISaGRAF Development Software
ISaGRAF-256 ISaGRAF Workbench Software Ver.3 (256 I/O Tags) with one USB Dongle
ISaGRAF-32 ISaGRAF Workbench Software Ver.3 (32 I/O Tags)
Note: No upgrade service from ISaGRAF-32 to ISaGRAF-256 is available. 
          (ISaGRAF-32 can be used to control more than 32 I/O tags. Please refer to
          Ch. 3.4 of the ISaGRAF User Manual.)
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ISaGRAF is the most powerful SoftLogic package on the market. ISaGRAF software is composed of three features:
 (1) All-in-one design environment:
ISaGRAF provides an all-in-one design environment - ISaGRAF Workbench, which can be installed in Windows 95/98/2000/XP, Windows7 (32-bit), Windows7 (64-bit, Professional Edtion with XP mode ; Home Edtion with VM ware) users can fully use the workbench to design the ISaGRAF series PAC which in different types or different platforms. That is mean users just need to learn the single software, can run the application in different PACs (Programmable Automation Controller).
 (2) Provide six PLC syntax:
ISaGRAF is the software that supports five of IEC 61131-3 PLC Language, including Sequential Function Chart (SFC)、Quick Ladder Diagram (LD)、Function Block Diagram (FBD)、Structured Text (ST) and Instruction List (IL)five language, it also supports sixth PLC language - Flow Chart (FC). This flexibility enables users to choose the language that best suits their knowledge, style and the nature of the application.
 (3) Easily integrate to the HMI software and MMI:
ISaGRAF supports Modbus communication protocol; the user designed application can be easily connected to the various types of HMI software (e.g., eLogger) and MMI.
For more information about the ISaGRAF and eLogger HMI application, visit:
www.icpdas.com > Support > Case Study - HMI and Device Control on a Large Screen using a Small PAC
For more description about the ISaGRAF and eLogger HMI application, visit:
www.icpdas.com > Support > FAQ > ISaGRAF Soft-Logic PAC - FAQ-115
  ISaGRAF Workbench
  The ISaGRAF workbench software includes following syntax:
  Graphical Editors for programming: Text Editors for programming:
  Quick Ladder Diagram Instruction List
  Function Block Diagram Structured Text
  Sequential Function Chart  
  Flow Chart  
Quick LD Editor  
The Ladder Diagram (LD) is one of the most familiar methods of representing logical equations and simple actions. Furthermore contacts representing input arguments and coils representing output results are utilized.

The ISaGRAF Quick LD Editor offers you the best compromise between high level graphic capabilities and easy-to-use keyboard driven programming. With the ISaGRAF graphic editing tools the user can mix LD and FBD programming on the same chart. Any function or function block of the library can be called from this editor.
FBD Editor  
The Function Block Diagram (FBD) is a graphics-based language which allows the user to build complex procedures by taking existing function blocks from the ISaGRAF library, and wiring them together on the screen.

ISaGRAF includes a library with more than 60 standard blocks ready to use. And others are available from each target's blocks.
SFC Editor  
The Sequential Function Chart (SFC) divides the process cycle into a number of well-defined steps, separated by transitions. SFC is the core language of the IEC 61131-3 standard. The other languages are used to describe the actions performed within the steps and the logical conditions for the transitions. Parallel processes can be easily described using SFC.
Structured Text Editor  
Structured Text (ST) is a high level structured language with a syntax similar to Pascal but more intuitive to the automation engineer. This language is mainly used to implement complex procedures that cannot be easily expressed with graphics-based languages (IF/THEN/ELSE, FOR, WHILE...).
Instruction List Editor  
Instruction List (IL) is a low-level language, similar to the simple- text PLC languages. In August 1996, the ISaGRAF IL editor received the certificate of PLC open compliance with a class-rating of IEC 61131-3.
Flow Chart Editor  
Flow Chart (FC) is a non-IEC 61131-3 language. It was added into ISaGRAF in 1998 beginning with Version 3.3. FC is a graphics-based language. It combines "test", "action", "flow", and other mechanisms to perform a control process.

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