SmartAXIS Touch User's Manual 3-97
4 Special Functions
3
Project
4.16 Ladder Monitor
This section describes the function to monitor the ladder program on the LCD of the Touch.
The program monitor on the Touch is only enabled when ladder program is selected as the programming language.
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Feature Description
Two lines of the ladder program stored in the ROM can be displayed on the LCD. You can show the ladder program at
the specified line number by specifying it using the operation buttons. The Touch saves the monitored ladder line when
ladder program monitoring is finished, and you can resume to monitor the ladder program from the same ladder line.
You can display the details of instruction parameters or switch the on/off state of contacts using the operation buttons.
The ladder program can be monitored regardless of the Run/Stop status of the Touch.
In order to monitor the ladder program on the LCD of the Touch, you need to configure settings using WindLDR.
There are two restrictions in creating the ladder programs that can be displayed on the LCD. Create ladder programs
considering those restrictions.
• A maximum of four ladder lines can be programmed in each ladder circuit.
• A maximum of eleven instructions can be programmed in each ladder line.
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Procedure
1
On the WindO/I-NV3 View tab, in the Workspace group, click (Control Function).
WindLDR starts.
2 On the WindLDR Configuration tab, in the Function Area Settings group, click LCD Settings.
The Function Area Settings dialog box is displayed.
3 Select the Enable ladder program monitoring on FT1A check box.
4 Click the OK button.
This concludes configuring the settings.
• The default value of the previously monitored ladder line number is one.
• The previously monitored ladder line number is lost at the following conditions:
- Touch is powered up.
- A project is downloaded to the Touch.
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