6–6
Chapter 6 – Initializing the GLC
GLC2400/2500/2600 Series User Manual
A GLC2400/2600 Series unit can display one Global Window and two Local
Windows at any one time. The Global Window is common to all the display
screens. The Local Window displays exclusively on a designated base screen.
This section describes the
GLOBAL WINDOW SETUP
is described here.
GLOBAL WINDOW
Two options are available:
Use
and
Do Not Use
. If you select
Do Not Use
,
ignore the items described below. Selecting
Use
enables the following options.
GLOBAL WINDOW ACCESS
Use this feature to designate whether values used by the GLC (such as the
REGIS-
TRATION NO.
and the
LOCATION
values) are
DIRECT
or
INDIRECT
. When set as
Direct, the
REGISTRATION NO.
and
LOCATION
selections are fixed to the values
entered here. When set to Indirect, the
WINDOW REG. NO.
’s word address is
used by the
SYSTEM AREA
as a variable. This means the
REGISTRATION NO.
written to it changes and, as a result, can call up multiple window screens as
Global windows. You can also use this method to adjust the Global window’s
position by writing the desired (X,Y) coordinates to the
SYSTEM AREA
’s
LOCA-
TION
word addresses.
DATA FORMAT
Set up the
REGISTRATION NO.
and the
LOCATION
values as either
BIN
or
BCD
values. This field is related only to Indirect values.
REGISTRATION NO.
Enter the Window Screen Number used by the Global Window. This field is
enabled only when
GLOBAL WINDOW ACCESS
is set to Direct.
WINDOW LOCATION
Enter the value used for the (Global Window)
LOCATION
. This field is enabled
only when
GLOBAL WINDOW ACCESS
is set to Direct. Use this setting to
designate the top-left coordinate on the screen registered as a Global Window. If
you install the GLC vertically, (in portrait — not landscape — mode), designate
the bottom-left instead of the top-left coordinate.
6.3.3 GLOBAL WINDOWS SETUP