Quick Panel Operator User Manual Section 6
GFK-2847AA Jan 2023
Operation 84
6.5 Memory
6.5.1 DRAM Memory
The QuickPanel
+
Operator Interface is equipped with Dynamic RAM
(DRAM). Part of the DRAM is reserved for the Windows operating system
and is not accessible by user applications. The remaining memory is split
between two functions: an object store for temporary file storage and the
main memory for running programs.
Typically, compressed programs stored in flash memory are expanded
and moved to DRAM for execution. The temporary storage of program
variables or data files is also provided by DRAM. Any data stored in DRAM
is not retained through a power cycle or restart.
The split between program memory and storage memory can be
adjusted as necessary to make more room for one or the other,
depending on specific application needs. For example, if an application is
short of memory, alter the DRAM memory allocation from the System
Properties window.
CAUTION
Setting the Program Memory too low may prevent additional applications from starting, or
may cause currently running applications to fail due to lack of memory.
Setting the Storage Memory too low may prevent the saving of files into the object store
portion of the file system, which may also cause application failures.
For the QuickPanel
+
6” display unit, setting the Storage Memory too high or to an extreme
limit may cause the device to become unresponsive. The device may be unable to launch
any applications or windows and it may also require a power cycle. It is recommended that
the Storage Memory be set to a valid limit.
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