Abstract

With the mobility and computability of personal digital assistants (PDAs), they should play an important role in the “post-PC era”. Currently, PDA applications are still limited to service business. In this project, an attempt was made to extend the content of mobile applications to industrial use. This paper is a feasibility study on the factory-to-business (F2B) practice with a programmable logic controller (PLC), a PDA and a PC-based platform for a driller. A PDA is a hand-held human-machine interface (hhHMI) which operates on a compact flash Ethernet card and embedded VB 3.0 program while a host PC connected to the PLC and AP (access point) station that conforms to IEEE 802.11b. Experimental results show that the PDA and PC-based platforms are able to control and monitor a PLC-controlled manufacturing system promptly for a F2B practice.

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