User guide

11
VTB USER GUIDE
4 CONFIGURATION OF VTB
From Menu Tools  Options
This command is used to configure some options of the VTB environment and the target hardware.
4.1 General Options
This table contains the general options of VTB
View Grid
When this check-box is activated the grid on the page windows is displayed. The grid is useful as referenc to position
the graphic objects.
Snap to Grid
Activating this check-box the snap to grid is enabled. The objects will be positioned to the grid simplifying the manual
alignment of them.
Grid Step
It sets the number of pixel of the grid step.
Start Page
It selects the number of the first page to be loaded at start-up.
Sample
It selects the scan time of the TASK PLC (see chapter 5) in milliseconds. It can be changed with the resolution of 0.1
millisecond being careful at low value because they can cause crash of the program. Always examine the elapsed time
of TASK PLC by the DEBUG.
Task time
It is the scan time of the TASK TIME in multiples of TASK PLC scans, the resultant time (in milliseconds) is displayed on
the right. Changing the time of TASK PLC this time changes too.
Savescreen
OBSOLETE