Patent ID: 6965802

Claim:
A method for controlling and monitoring an industrial controller using a portable wireless device, utilizing a system including a programmable logic controller (PLC), a local server, and a wireless Internet Service Provider (ISP), said method comprising the steps of: monitoring and controlling a system using a programmable logic controller (PLC); exchanging communications between the PLC and a local server; exchanging communications between the local server and a wireless Internet Service Provider (ISP) server utilizing the Internet; configuring the local server to communicate with the PLC via a local area network and to convert an Internet protocol into a protocol compatible with the PLC; transmitting, via the wireless ISP server, commands from a wireless user communication device to the PLC, wherein the PLC is configured to determine whether to energize an output module based on a state of an input module; displaying information retrieved from the PLC using the wireless ISP server; and controlling said PLC, via said wireless ISP server, by formatting, in a wireless markup language, responses to the commands.