Specifications
CR3000 Overview
Click on the Short Cut button to display the Home screen, as shown below.
Each of the four steps has a button with a ? for accessing Help. Use the Help
in conjunction with the steps outlined below:
Step 1: Create a New File
Step 1 is to open a new or existing file. From the Home page, click the New
Program button. Use the drop-down list box to select the CR3000 and click
on OK. Enter a 1 second in the Scan Interval window and click OK to
complete Step 1.
Step 2: Select the Sensors
A Type T thermocouple consists of two wires of dissimilar metals (copper and
constantan) soldered together at one end. The soldered end is the measurement
junction; the junction that is created when the thermocouple is wired to the
CR3000 is the reference junction.
When the two junctions are at different temperatures, a voltage proportional to
the temperature difference is induced into the wires. The thermocouple
measurement requires the reference junction temperature to calculate the
measurement junction temperature.
Step 2 is to select the sensors to be measured. The Sensors worksheet is
divided into two sections: the Available sensors tree and the Selected sensors
table, as shown below. The sensors you want to measure are chosen from the
Available sensors tree.
Double click on the Temperature application group to display the available
sensors. Double click on the Wiring Panel Temperature sensor to add it the
selected sensors table. Click OK on the next screen to accept the PTemp_C
label.
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