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Download 1978 , Volume , Issue July-1978
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Thermocouples f Valves Analog Outputs Switches Computer Intelligent Terminal 2240A Measurement and Control Processor Event Detection Digital Outputs Rotating Equipment Contactors Counting, Timing, Frequency Positioning HP-IB Connection to Local or Remote Computer Photocells Conveyors HP 2240A Measurement and Control Processor, including Control Card. Four Plug-In Function Cards Service up to 128 I/O Channels. Fig. 1. A general measurement and control system consisting of the 2240 A Measurement and Con trol Processor linked to a digital computer by the HP interface bus and to appropriate sensors and actuators by plug-in analog and digital function cards. The sen sors, actuators, and function cards vary with the application. HP 2241 A Extender Adds Four Function Card Slots. HP 2240A Control Card with Silicon-on-Sapphire Components • 16-Bit Microprocessor • 6K ROM for Control and Diagnostics • 1K RAM for Buffer Memory and Built-in Clocks • HP-IB Interface Processor HP 22920A Signal Condition Tray Shown with Signal Conditioning Card Installed HP 22922A Termination Strips and Unterminated Cables HP 22909A Test Fixture for Off-Line Verification Using HP 2240A ROM Diagnostics Fig. 2. System. of the 2240A Measurement and Control Processor System. © Copr. 1949-1998 Hewlett-Packard Co.
