Allen-Bradley PanelView 1200 Series User Manual page 9

Preface
Hex Files: Application files which have been converted into Intel Hex
format for transfer to user PROMs.
Object: An object is an individual component of a PanelView 1200 screen.
Each object takes the function of a button, switch or indicator on a control
panel. The objects can be dynamic—they can change color or value and
can display information. Each object is defined by the developer of the
PanelView 1200 screen. Examples of objects include Push Buttons,
Selectors, Bar Graphs, Numeric Displays, etc.
PanelBuilder Software: The program runs on the development computer
to develop application files for PanelView 1200 terminals. There are two
types of PanelBuilder software: PanelBuilder 1200 Configuration
Software for Windows and PanelBuilder Development Software for DOS.
PanelView 1200 Terminal: A type of Allen-Bradley terminal with a touch
screen or rugged keypad, designed for easy operator interaction with a
PLC system over the Remote I/O link.
Retentive: An object is described as retentive when it "retains" its PLC
value in the PanelView 1200 terminal after a screen change, an operator's
object action, and even after the terminal's power cycle. For example,
when a maintained push button is pressed, the corresponding PLC input is
set to 1 and will not change until the button is pressed a second time.
Retentive objects always display their current states or values.
Screen: A display containing objects (such as push buttons or bar graphs)
which can monitor and control a PLC system. Screens are created with
either type of the PanelBuilder software.
SRAM: Static Random Access Memory. A type of memory that can
maintain its contents through the use of a battery. It does not require
continuous refreshing to maintain its contents.
System Memory: The read-only memory that contains the operating
firmware for the PanelView 1200 terminal.
Upload/Download: Downloading is the process of transferring an
application file from a development computer running either type of the
PanelBuilder software, to a PanelView 1200 terminal. Uploading is the
process of transferring an application file from the terminal back to the
development computer.
User PROM: The read-only memory chip that can be used to contain a
back-up copy of an application file, or to increase the memory available for
the application file from 64K to 128K. The chip can be either an EPROM
or an EEPROM.
P-2
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