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Remote maintenance method, industrial device, and semiconductor device

  • US 6,862,485 B2
  • Filed: 07/17/2002
  • Issued: 03/01/2005
  • Est. Priority Date: 05/31/2001
  • Status: Expired due to Fees
First Claim
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1. A remote maintenance method for a system that an industrial device for executing a specific process and an operation device for maintaining said industrial device are connected to each other via a network, characterized in that said operation device transmits command information indicating a maintenance command to said industrial device and said industrial device executes said process according to said received command information, holds mode information for identifying a state for outputting a state of a maintenance operation to said industrial device and condition information indicating a condition concerning said state necessary to output said state of said maintenance operation, reads said mode information and said condition information when said industrial device receives said command information from said operation device, and outputs said state of said maintenance operation to an output device of said industrial device only when said state in said mode information satisfies said condition in said condition information.

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