My electrical department manager asistance gives me a task to do research together with him. This LAWNII brought by the company to do research of control system in the crane operation system. It may become a OEM product of the company in the future.
The LAWNII operates by establishing a virtual connection between one computer and the crane's hoist micro-controller,SMC 21 as I discussed and shared in this blog. Then the hoist's upward and downward direction and speed can be control through the computer's key-in button.
The command mode is the operating mode that use to communicate with the microprocessor of the LAWNII. The command mode is used normally only during the initial configuration and testing. Once it is correct, the LAWNII should then be switch to transparent mode to send and receive data, either automatically or manually. If the LAWNII is programmed as a peripheral device or as in DFC (DeFault Connect) mode, it will automatically switch to the transparent mode when it is power up. Otherwise, the LAWNII will stay in the Command mode after power up.
Some of the theories I had learn in the course subject such as, C-programming and PIC Micro-processing controller in Uniten. I hope that I can finish this research with the manager assistance during my internship.
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