Field Description Restrictions
Data Type Set the type of data that is stored in the variable. Refer to
6-2-5 Data Type
on page 6 - 14 for the data types that you can
use.
---
Initial Val-
ue
Set the value to use when the power is turned ON, when the
mode changes to RUN mode, or DEBUG mode (STOPPED).
This parameter must be specified.
---
Constant
Select the check box in the Constant column to set the initial val-
ue of the variable when it is downloaded, but prevent it from be-
ing changed afterward.
Select the check box or clear the selection (default).
---
Comment Set any comments for the variable. The maximum size is 127
bytes.
l
Registering New Global Variables
1 Press the Insert Key in the global variable table, or right-click in the global variable table and
select Create New from the menu.
2 Enter values for each item, and then press the Enter Key.
The variable is registered. Always set the variable name and the data type.
Additional Information
If there are no registered variables at all, the message Empty. Click here to add Item
is dis-
played. Click to add a new variable.
l
Automatically Registering Global Variables
When you register device variables or exposed variables, any of the variables that are not already
registered as global variables are automatically registered as global variables.
Refer to 5-6 Registering Device Variables on page
5 - 26 for details on registering device variables.
6 Programming
6 - 37
NX-series Safety Control Unit User's Manual (Z930)
6-5 Programming Operations
6
6-5-3 Registering Variables