ISaGRAF IEC 1131-3 Soft Logic

The World Leader in the development of Soft Logic systems that bridge the gap between microcomputer systems and PLCs. ISaGRAF is based on industry standards which bring modern PLC programming techniques to standard computer systems. ISaGRAF has world wide support and over the years has proven itself to be the best.

What is ISaGRAF

ISaGRAF is a complete industrial software package consisting of Soft Logic Programming Tools, a Runtime execution engine and custom VAR / OEM development tools for automation control applications. ISaGRAF was designed to turn any industrial computer into a high performance, yet inexpensive Soft Logic Controller. ISaGRAF is based on the only internationally recognised industrial standard for industrial automation control languages, the IEC 1131-3.

ISaGRAF was the first Windows-based development environment to fully support all five of the PLC languages: Sequential Function Chart (SFC), Function Block Diagram (FBD), Ladder Diagram (LD), Structured Text (ST), and Instruction List (IL). Additionally, for the ultimate in power and flexibility, ISaGRAF supports functions and function blocks written in C and/or IEC1131-3 languages.

Applications for ISaGRAF range from simple machine control to complex processes to high speed, high performance and high reliability tasks. ISaGRAF controls the power generation management system of a nuclear-powered aircraft carrier or an automated warehousing system for consumer products. ISaGRAF is the reliable choice for mission critical applications. ISaGRAF fits easily to RTU's for pipeline systems and can compose and send messages from distant locations. ISaGRAF is the chosen IEC1131-3 soft PLC engine for the leading I/O subsystem and embedded control manufacturers.

ISaGRAF offers the reliability and performance to get the job done, plus the shortest time to market for the OEM or custom developer. Below, a Sample of the companies offering ISaGRAF as the Workbench and Runtime for their control systems can be seen.

ARCOM	European Computer Trading	KOMATSU	Mll	R.S. Automation Industry
AUTOMATA	ESITRON	M.D.S.I.	MOTOROLA	Rockwell Automation
CENTRALP	GEC ALSTHOM	Macq Electronique	OPTO 22	ROLLS-ROYCE
CONLOG	GESYTEC	MICROPROCESSS	PEP Modular Computers	ROTEC
DATAC	GRAYHILL	MICROSMITH	PHILIPS	SELCO
Fieldbus Specialists	ICS Technology	MICROTECH	PROMETEO	SIXNET

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The Runtime Kernel

The ISaGRAF Runtime Kernel is a portable execution engine that has similar behaviour to traditional Programmable Controllers (PLCs), but exceeds them in performance and flexibility. The ISaGRAF Runtime Kernel also has additional functionality, which greatly expands and enhances the application possibilities. Communications, process control, SCADA and motion control are now all possible in a single control environment without special hardware.

For OEM's, VAR's and maker of computer-based control systems and software, we offer a full suite of 'C' development products to allow customisation of the Runtime Kernel, but still using the standard ISaGRAF Workbench for user programming. This means that any control system that has the ISaGRAF Runtime embedded uses the same Windows Workbench as any other system using the ISaGRAF Runtime. End user now only need one development environment including the suite of standard languages. You are free to choose the hardware supplier offering the best match of functionality, price and performance, based on the needs of the application.

Instead of compromise, now you can optimise.

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Hardware Developer's Tools

Manufacturers of custom hardware who desire the benefits of Standards-based software development, rock solid execution methodology and a fully featured Windows environment can get from design to product in the shortest time in the industry. ISaGRAF Developer's Tools give the 'C' code developer the source files needed to port the Runtime to the specific hardware platform and operating system you choose.

From 8-bit micro's to 32-bit CPU's, you turn your controller into a PLC using ISaGRAF Soft Logic technology. If you are using one of the more popular operating systems, we have OS specific source files to cut the development time even further. If you need special communications, seamless linkage to other windows applications, or special help entries for your hardware, we have the ISaGRAF Workbench Development Kit to give the standard product your extra touch. For the developer looking for a completely customised Workbench, we can build one just for you.

For the ultimate in open systems, the executable code prepared and compiled by the ISaGRAF Workbench is now available for free in the public domain. The high volume embedded manufacturer can make their own Runtime engine without royalty or restriction, yet use the standard ISaGRAF Windows Workbench.

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Real - Time Soft Logic and PC Control

Off-the-shelf Runtime packages are available for DOS, Windows NT, VxWorks and OS-9 operating systems. These Runtimes can be installed on open architecture PCs and board level computers such as VME, Compact PCI, PC104 etc. for true plug-and-play capabilities without compromising standards or performance.

The ISaGRAF Runtime Kernel has also been successfully ported on QNX, VRTX, pSOS, etc. and on many proprietary operating systems and a wide variety of PC based, board level and embedded target hardware systems. Standard I/O interfaces can be used, or custom I/O can be added using the Easy I/O^(TM) Driver Development Tools. With these tools, OEM's with basic 'C' code programming capabilities can make custom I/O drivers for specialised I/O interfaces on standard hardware platforms.

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Windows NT Runtime

For less demanding applications, Windows NT can be a low cost, medium performance choice for pure PC-based control. Many users wish to incorporate Windows development tools, MMI or OIT software, control logic execution and PC-based IO interfaces on a single CPU and hardware platform. Such "self-hosted" configurations are made easy with the ISaGRAF NT Runtime. Simply install the Windows Workbench, install the NT Runtime as a separate task on NT, and connect the two as if they were on separate CPU's.

With careful system configuration of the NT platform, a soft real-time performance of 1 millisecond response can be achieved on a standard industrial PC without special co-processors or supplemental OS. New hard real-time extensions for NT (when proven) will be fully supported by ISaGRAF.

I/O drivers can be easily added using the Easy I/O^(TM) development tool. This DLL template allows development and connection of third party I/O drivers to the NT Runtime without the need for custom compiling or linking. Enhanced connectivity via DDE, POC and custom I/O drivers can be simultaneously supported. Many ISaGRAF ready drivers are available from I/O manufacturers and specialty software third party developers.

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The Workbench

The ISaGRAF workbench is a Windows based software development environment used to create control logic programs written in any of all of the five IEC1131-3 languages. It is also a fully featured set of tools providing editing, debugging, code generation, documentation, library management, archiving, on-line monitoring, off-line simulation and on-line change of projects made for execution by the ISaGRAF Runtime kernel.

The Workbench runs on Windows 3.1, 3.11, 95 or NT, OS/2 and all Windows emulation packages. Any ISaGRAF Workbench can be used with any target system that uses the ISaGRAF Runtime kernel. The ISaGRAF Workbench and documentation is available in English, French, German and Japanese, with other languages to be added in the future.

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Quick LD ^(TM)

The new QuickLD^(TM) editor is only one of many recent enhancements to ISaGRAF.

Programming is now simpler, editing program is faster, and monitoring programs on-line couldn't be easier. The editor is instantly familiar to the experienced ladder diagram programmer, and intuitive to the novice programmer. Use point-and-click combined with keyboard commands to accomplish your logic development.

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