Patent ID: 6325286
Filing Date: 2001-12-04
Classification: G05B

Abstract:
A method of operating a chemical dispensing system of the type including a plurality of supplies of chemicals, a chamber coupled to said supply, a plurality of pumps each of which is in fluid communication with one of said plurality of supplies, and a controller, in data communication with both said chamber and said pumps, to regulate the transfer of fluid chemicals between said plurality of supplies and said chamber using operating data, said method comprising the steps of:providing a data entry substrate adapted to be selectively placed in data communication with said controller, said substrate having a plurality of machine readable data entry regions arranged at differing spatial positions and adapted to contain operating data for use by said controller, and human readable indicia in selected corresponding locations arranged to direct the entry of operating data in corresponding data entry regions; and,establishing operational parameters for said plurality of pumps by entering operating data in said plurality of data entry regions, and placing said substrate in data communication with said controller.