Rockwell Automation 2711 PANELBUILDER SOFTWARE USER MANUAL - Manual (Page 360)

The Objects
Chapter 10
10-95
Numeric Keypads (small and large)
Scrolling List Object
A PLC Input address (discrete or block transfer) must be assigned to a
Retentive Object. These objects will function even if the PanelView
terminal isn’t connected to a PLC controller.
More than one retentive object can be assigned to the same PLC input
address. For example, control selectors on different screens could be
assigned to control the same PLC input address. When one selector
changes the PLC input state, the other selector will reflect this also.
Retentive Objects and Presets
Some Retentive Objects can have a preset value. When the application file
is downloaded and the terminal switched to Run mode, retentive objects
will take on these input states.
IMPORTANT: Normally Closed Push Buttons’ default states are forced
by PanelView: after the download and before the PLC controller is
initialized, PanelView goes through the input table and forces all normally
closed PLC addresses to 1. Therefore the state of a Normally Closed Push
Button overrides the state of a presettable object that shares the same
address.
ATTENTION: Make sure that the preset values you define are
the same values that the PLC program considers as the Off or
default state.
The PanelView terminal’s Configuration mode allows you to:
reset retentive objects to their preset states (which were assigned on the
development system)
specify whether retentive objects will remain in their last states, or be
reset to the preset states, each time the terminal is powered up (Presets is
the default)
For more information on preset operation, refer to Chapter 2, PanelView
Terminal Functions, in the PanelView Operator Terminals User Manual.