13. FX LADDER MONITOR
13.1 Features
The FX ladder monitor enables you to monitor the sequence program within the target controller and change device values.
It is intended to troubleshoot and maintain the PLC system efficiently.
The features of the FX ladder monitor are shown below.
■1. The program with ladder symbols can be monitored
You can monitor PLC CPU programs in ladder diagram format and save displayed screens in BMP or JPEG format.
➠
13.4 Common Operation
(Display example)
■2. The display format, device comment display and language can be switched
The following can be switched.
➠
13.5 Switching the Display Format
• Display format of device values, timer and counter values
• Comment display/non-display of the target device
(Display example)
(1) Switching the display format
The present value of a word device is displayed in a decimal of hexadecimal number in the lower area of the screen.
➠
13.5.2 Display switching of decimal numbers/hexadecimal numbers
(2) Device comment display
Comments of the devices used in the sequence program (comments written in the controller) are displayed.
➠
13.5.3 Switching comment/no-comment display
13 - 1
13.1 Features
13