Link-up and update
8.2 Link-up and update via PG command
CPU 410-5H Process Automation
122
System Manual, 09/2014, A5E31622160-AB
8.2
Link-up and update via PG command
Which commands you can use on the programming device to initiate a link-up and update
operation is determined by the current conditions on the master and standby CPU. The table
below shows which PG commands are available for link-up and update under which
conditions.
Table 8- 2
PG commands for link-up and update
Link-up and update
as PG command:
FW version in the
master and
standby CPUs
Available sync
connections
Hardware version
on master and
standby CPU
Number of
POs on system
expansion
cards
Restart of the
standby
Are identical
2
Are identical
Are identical
Switching to a
partner CPU with
modified configura-
tion
Are identical
2
Are identical
Are identical
Switching to a
partner CPU with
modified operating
system
Are different
2
Are identical
Are identical
Switching to a
partner CPU with
modified hardware
product version
Are identical
2
Are different
Are identical
Switching to a
partner CPU with
modified PO limit
Are identical
2
Are identical
Are identical
Switching to a
partner CPU using
only one intact
redundant link
Are identical
1
Are identical
Are identical
Switching to a
partner CPU with
modified number of
POs on system
expansion card
Are identical
2
Are identical
Are different