Thursday, July 1, 2010

EMBEDDED PLC to Program Single Board Computer





EMBEDDED PLC Application Kit is tools to program the BL2500 Single Board Computer (SBC) via ISaGRAF Soft Logic Package. This article will help you to quickly install the necessary software to run a PLC sample application on the BL2500 target using the ISaGRAF Workbench.

The EBEDDED PLC system turns a Rabbit Single Board Computer, such as the Coyote BL2500, into a high performance and yet inexpensive PLC. The PLC can be programmed using the automation control programming languages IEC 61131-3: Sequential Function Chart (SFC), Function Block Diagram (FBD), Ladder Diagram (LD), Structured Text (ST) and Instruction List (IL).

The Single Board Computer, or the target, comes pre-loaded with the EMBEDDED PLC Firmware Kernel which executes the application generated by the ISaGRAF Workbench. The Firmware Kernel also provides the communication interface between the target and workbench.

To install the software you need to insert EMBEDDED PLC BL2500 CD-ROM and install the ISaGRAF Workbench V3.50:
1. Open ISaGRAF_V3.50 folder and double click on ISaGRAF.EXE to launch the ISaGRAF installation wizard. Follow the instructions provided by the wizard to proceed with the installation.
2. Once all the ISaGRAF files have been copied, the ISaGRAF Project Manager icon is added to your desktop and the ISaGRAF Program Group is added to your main program group.

Install the EMBEDDED PLC Board Support Package for BL2500:
1. Go back to root directory of the CD-ROM, open BL2500C_BSP_V1.04_9-0003-006\IsaGRAF folder and double click on INSTALL.EXE to launch the ISaGRAF installation wizard.
2. Enter the location where the ISaGRAF Workbench was installed and press Install button. Their installation wizard will update the ISaGRAF directory with the I/O boards, functions, C function blocks and sample application for the EMBEDDED PLC BL2500 target.



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