Rockwell-automation 5370-UPK CVIM USER-PAK Option Uživatelský manuál stáhnout pdf (Strana 73)

Chapter 7

Creating Custom Runtime Displays

7–22

Selecting the Variable Tool

You must select the specific tool whose results are plotted in the Graph

viewport – either a gage, a window, or a formula.

To select a gage, window, or formula as the variable tool:

• Pick the appropriate box on the Define Graph Var. menu – Gage,

Window, or Formula. This causes the calculator keypad to appear.

• Use the calculator pad to enter the number for a specific gage, window, or

formula.

Note: You must have the MATH–PAK option package (Cat. No.

5370–MPK) installed in order to successfully use any Formula selection.

Calculator Pad

Window box

Value Out of Range: If you try to enter a number which is not valid,

such as a gage number 35 (there are only 32 gages), the calculator pad

will flash the message – Value Out of Range. If this happens, pick an

appropriate number, and then pick the Enter key again.

Defining the Graph

After defining the variables, you next define the graph, using the Define

Graph menu. This menu appears when you pick the Define Graph box.

Using the Define Graph menu, you can:

• Set the Upper and Lower limits of the Graph viewport (all variables will

then be plotted in the viewport relative to these limits).

• Define the Event, or circumstances under which the graph variable

plottings are updated.

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Rockwell-automation 5370-UPK CVIM USER-PAK Option Uživatelský manuál Strana 73