The benefits of 64 bit technology has been well documented
and a large majority of new Windows server and desktop systems use this
technology.
The main benefit of 64 bit over 32 bit hardware and
operating systems is the amount of memory that is available.
It is all about
the bits, a 32-bit Operating Systems is typically restricted to 3.25GB of
usable memory (RAM), but a 64-bit technology can theoretically use 16 EB or 17
billion GB of memory (RAM). This means that
expansion is virtually unlimited as to date the
world has not created computer hardware,
for normal personal or business use, that is
able to utilise this amount of memory. With more
memory comes faster data access and less hard disk activity resulting in more efficient multitasking.
In a SCADA system environment, the visualisation and data
connectivity clients need to use memory efficiently.
Wonderware InTouch, even with
ArchestrA Graphics, displays images and vector based graphics without
excessive drain on the memory which means it
does not demand machines with excessive amounts of memory.
With the introduction of WOW64 technology within Microsoft
Windows, 32-bit applications such as InTouch
run efficiently on 64-bit operating systems.
Indeed we recommend using a 64-bit system so that the operating system
and other software requiring more memory will not impact on the efficient
running of the SCADA.
64-bit really comes into its own with data historians.
When billions of data points are collected over long periods of time, 64-bit
scalability and flexibility can be key. Wonderware Historian 2012 is
therefore 64 bit compatible and this will become increasingly important with
the imminent release of Historian 2014 with 500,000 tag count and in subsequent
1,000,000 tag count versions.
Our technical consultants have these sorts of conversations
with customers every day and can easily help you work out what CPU allocation
and methodology is best. Feel free to contact our technical support team
you have any questions.
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