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When you are in the ONLINE mode, it indicates whether you are monitoring the program or not, and which
mode the programmable controller is currently in.
When you are in the OFFLINE mode
1
Indicates which mode you are in: the OFFLINE mode or the ONLINE mode.
In the OFFLINE Mode, the software cannot communicate with the programmable controller, and in the ONLINE
mode, it can communicate with the programmable controller. Depending on the function you use or how you use
the function, you must be in either OFFLINE mode or ONLINE mode. For example, you should be in the
OFFLINE mode when you enter comments, and in the ONLINE mode when you monitor the program. When
creating a program, if you are in the ONLINE mode, the program will be transferred to the programmable
controller simultaneously with entry of the program.
Note:
2
Indicates what function you are currently using.
For example, when you are creating a program, “PROGRAMMING” will be displayed.
3
Displayed when you are in the ladder symbol mode to indicate whether you are in the SEARCH mode or the
ENTRY mode.
4
Indicates which programming style you are currently in.
The software provides three programming styles: Ladder symbol mode, Boolean ladder mode and Boolean non-
ladder mode.
Ladder symbol mode
The ladder symbol mode allows you to create a program by entering ladder symbols. Ladder symbols are
graphic symbols which show logical elements, such as
. The program will be
displayed as a logic diagram on the screen. This diagram is called a “ladder diagram”.
When you are in the ladder symbol mode, you will be in either the SEARCH mode or the ENTRY mode.
Boolean ladder mode
In the Boolean ladder mode, you can create a program by entering Boolean, but the program will be displayed
as a ladder diagram.
Boolean non-ladder mode
The Boolean non-ladder mode allows you to create programs by entering Boolean. The program will be
displayed as you entered it, in order of the addresses.
When you are in the ladder symbol mode, “LD SYMBOL” is displayed.
In the Boolean ladder mode or Boolean non-ladder mode, “BOOLEAN” is displayed.
The difference can be recognized by the display in the programming area.
• When you use NPST-GR in the ONLINE mode, you must connect the computer on which NPST-
GR is activated with the programmable controller.
OFFLINE PROGRAMMING SEARCH LD SYMBOL
1
2
3
4
87
5-4. Programming with NPST-GR Software
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