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Using a Quantum IEC Hot Standby System
136
840 USE 106 00 January 2003
The section data that will not be transferred when its Update (Hot Standby) control
is set to no Update are:
internal states of EFBs used in the section
links
All DFB-Instance data blocks of each DFB instantiated in the section including
nested DFBs local Variables inside any DFB instantiated in the section.
Section Hot Standby transfer status is changed using the Project Browser. Offline
with Hot Standby project open, open the Project Browser. With your mouse, select
the section whose Hot Standby tranfer status you want to modify and right click.
Click on Update (Hsby) to change Transfer State. The Project Browser can also be
used to view a project’s section(s) Hot Standby Transfer State. Sections that will not
be transferred will have a "!" to the left of the section name. See the screen shot of
the Project Browser below.
pump
Project Browser
Project: HSBYEXEC
stby
monitor
SCB4
sysseg4
fan0
damp
sump
scr5
syss
pump
fan0
damper05
sump05
Open
Min
imize
C
lose
M
ove
P
roperties
Me
mory prediction
D
elete
U
pdate (Hsby)
LD
LD
FBD
FBD
FBD
FBD
FBD
FBD
FBD
FBD
LD