Investigation of Information Management System for the Hoist with AC-AC Converter

This paper analyses software and hardware, the content of information display and the method of fault diagnosis of the old information management system of the hoist with AC-AC converter. Communication between the information management system and PLC has been investigated. The way to translate the communication protocol of the hoist of AC-AC converter imported has been found. The software Visual Basic 6.0 is adapted to programmer and make up the interface. The faults diagnosis system which can provide the fast device maintenance and the faults localization during system running has been reconfigured.