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 Keypad Control of the flow computer is via the front-panel 34 button, imprinted alpha-numeric character membrane keypad with tactile domes and audio feedback. Imprinted characters are color coded to indicate operator and program functions as well as primary and secondary alpha-numeric functions. The Keypad provides the user with a unique on-line capability to configure measurement and control data, perform diagnostic tasks and display operator information. Context-sensitive help screens are provided as an additional aid. Configuration program and diagnostic data can be entered via the keypad or remotely by serial hook-up into battery-backed up, CMOS SRAM memory. Security codes and an internal mechanical switch ensure that configure/program functions can be disabled when required. The 4 line x 20 alpha-numeric character back-lit Liquid Crystal Display is updated every 500 ms and displays all messages and system variables in English language engineering units. Four dual-color LEDs indicate various operating modes and alarms. Three nonresettable 6 digit electromechanical counters are included on the front panel and can be programmed to count gross, net, mass or energy units at any rate up to 10 counts per second. |
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©2003 Omni Flow Computers, Inc. All rights reserved |
