Making data connection between host PC for industrial automation system and remote PC involves breaking connection in host PC, dialing remote PC using number held only in host PC

摘要

The method involves requesting a login name and password at the remote PC (3) after starting a program for establishing a connection to the host PC (2), dialing the host PC with the entered login name and password, breaking the connection in the host PC immediately after it is made and dialing the remote PC from the host PC using a number or address associated with the remote PC and held only in the host PC. AN Independent claim is also included for the following: an arrangement for making a data connection between a host PC for an automation system for an industrial plant and a remote PC.