Pausing
Use the following procedure to pause a simulation.
The values of variables are retained.
Program execution stops at the start of the program.
6-8-2
Monitoring
You can monitor the present values of variables in the FBD editor or Watch Tab Page to debug the
safety programs.
Refer to 7-6-3 Monitoring Variables in the FBD Editor
on page 7 - 28 and 7-6-4 Monitoring Variables
in a Watch Tab Page on page 7 - 29 for details.
6-8-3
Controlling BOOL Variables, Changing Present Values, and Us-
ing Forced Refreshing
You can debug the safety program by controlling BOOL variables (Set/Reset), changing present val-
ues, and executing forced refreshing from the Sysmac Studio.
Refer to 7-6-5 Controlling BOOL Variables, Changing Present V
alues, and Using Forced Refreshing
on page 7 - 31 for a detailed procedures.
6-8-4
Setting the Initial Values of Variables
You can set the initial values of variables when you start execution of simulation.
This is useful for reproducing the actual conditions of the system or to evaluate test cases of similar
input conditions.
Simulation must be stopped to set the initial values of variables.
Use the following setting procedure.
1 Select Simulation – Initial Value Settings.
The Initial V
alue Settings Dialog Box is displayed.
2 Select the type of variables.
The selected type of variables is displayed. The following types of variables can be selected:
global variables, programs, and function blocks.
6 Programming
6 - 82
NX-series Safety Control Unit User's Manual (Z930)
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