Method and apparatus for regulating network access to functions of a controller
First Claim
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1. A method of regulating network access to selected functions of a controller of a machine, wherein the controller is coupled to a network having a web server that publishes a plurality of web screens configured to control the selected functions of the controller, and at least one remote computer connected to the web server that receives the published web screens, the method comprising:
- identifying a network address of a user accessing the web server via the network; and
restricting access of the user to selected published web screens of the plurality of web screens published by the web server based upon the identified address of the user.
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Abstract
A method and apparatus for regulating Internet or Intranet access to selected functions of a machine controller based upon a user network address.
70 Citations
8 Claims
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1. A method of regulating network access to selected functions of a controller of a machine, wherein the controller is coupled to a network having a web server that publishes a plurality of web screens configured to control the selected functions of the controller, and at least one remote computer connected to the web server that receives the published web screens, the method comprising:
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identifying a network address of a user accessing the web server via the network; and
restricting access of the user to selected published web screens of the plurality of web screens published by the web server based upon the identified address of the user. - View Dependent Claims (2, 3)
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4. A method for regulating access to selected functions of a controller of a liquid dispensing system from a computer network, wherein a server application is coupled to the computer network and to a serial communications application communicating with the controller, the method comprising:
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publishing a plurality of web screens from the server application;
applying and receiving signals relating to operating parameters of the liquid dispensing system via the plurality of web screens published by the server application;
communicating the signals between the controller and the server application.
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5. An apparatus for regulating access to selected functions of a controller of a machine from a computer network, comprising:
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a web server operatively coupled to said controller, wherein said web server has a network address and publishes a plurality of web screens on said network configured to control the selected functions of the controller;
at least one remote computer coupled to said web server and having a unique network address;
program code running on said web server configured to identify a network address of a user accessing said web server via said at least one remote computer or said web server and to restrict access of the user to selected published web screens based upon said identified network address. - View Dependent Claims (6, 7)
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8. An apparatus for regulating access to selected functions of a controller of a liquid dispensing system from a computer network, comprising:
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a server application connected to said computer network and operable to publish a plurality of web screens, wherein said server application may apply and receive signals relating to operating parameters of said liquid dispensing system;
a serial communication application coupled to said controller and said server application and configured to apply said signals between said controller and said server application.
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Specification