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840 USE 106 00 January 2003 147
8
Additional Guidelines for IEC Hot
Standby
At a Glance
Purpose This Chapter discusses optimizing an IEC application to run better in an IEC Hot
Standby environment, and specifically, how to save data memory. This includes
existing and newly developed IEC applications.
What’s in this
Chapter?
This chapter contains the following sections:
Section Topic Page
8.1 General Application Requirements 149
8.2 State RAM 155
8.3 Efficiency Tips 157