19.3.1 Procedure - Displaying an Alarm in a Bar/Circle/Tank Graph

Set the Graph color such that it changes when the word address (D100) data falls below 20% or above 80% of the Acquisition Range.

  1. From the [Parts (P)] menu, select [Graph (G)] or click . Place the Graph on the screen.

  2. Double-click the new Graph. The following dialog box appears.

  3. In [Monitor Word Address], set the address (D100) you want to display. Then set the [Data Type] and [Bit Length].

  4. In the [Specify Source Range] drop-down list, select [Constant], and specify the range of data that is stored in that address (for example, minimum value 0, maximum value 500).

  5. In the [Graph Shape] drop-down list, select [Bar Graph].

    • You can also select [Circle Graph], [Semicircle Graph], and [Tank Graph].

  6. In [Select Shape], select the Graph shape.

  7. On the [Color] tab, set the [Display Color].
    Set the Graph's other colors (pattern color, border color) if necessary.

  8. Select the [Alarm] check box, and specify the alarm range as a percentage. (For example, Lower Limit 20, Upper Limit 80). In [Display Color], set the color for the alarm.

  9. On the [Scale] tab, set to show the scales and the color and blink. Click [OK].

    • For graph parts with a scale, Scale Label for the major scale can be automatically placed using a text part.
      Right-click the graph part with a scale and click [Scale Label Placement]. The [Text] dialog box appears. Set up each item and click [OK].