Chapter 1 Quick Start

To Configure a Channel for Scanning

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Any channel that can be “read” by the instrument can also be included in a scan. This includes readings on multiplexer channels, a read of a digital port, or a read of the count on a totalizer channel. Automated

scanning allowed with the hT multiplexer, matrix, actuator, digital output, or voltage output (ROQ) modules.

L F

Turn the knob until the desired channel is shown on the right side of front-panel display. The channel number is a three-digit number;

the left-most digit represents the slot number (L00, O00, or P00) and the two digits on the right indicate the channel number (1IO, 1LI, etc.).

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For this example, assume that you have the HP 34901A multiplexer installed in slot 100 and select channel 103.

O

Use the knob to scroll through the measurement choices on each level

of the menu. When you press to make your selection, the menu automatically guides you through all relevant choices to configure a measurement on the selected function. When you have finished configuring the parameters, you are automatically exited from the menu.

The current selection (or default) is displayed in full bright for easy identification. When you make a different selection, the new choice is shown in full bright and it becomes the default selection. The order of the choices always remains the same; however, you always enter the menu at the current (full bright) setting for each parameter.

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For this example, configure channel 103 to measure a J-type thermocouple with 0.1 °C of display resolution.

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HP 34970A manual Jyw, To Configure a Channel for Scanning