Online Upgrade and Coexistence Section 5 Run-Time Operation
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Online Upgrade and Coexistence
In the SV 6.0, there are two CI873 hardware libraries available in the 800xA system.
The usage of the two hardware libraries in the control builder projects will be as
follows:
1. CI873EtherenetIPHwlib 1.x.: Used only when a coexistence download is done
from a SV 6.0 Control Builder project to a controller of SV 5.1 and rollups.
2. CI873EtherenetIPHwlib 2.x.: Used in all other scenarios in SV 6.0 that
includes:
a. Co-existence download from SV 6.0 Control Builder project to a
controller having SV 5.1 FP4.
b. Online upgrade is done from SV 5.1 FP4 to SV 6.0.
c. Online upgrade is done from SV 5.1 and rollups to SV 6.0.
When an online upgrade is done from SV 5.1 and rollups to SV 6.0, at step 7 of
the online upgrade, the trainee controller that has been upgraded with new
firmware would have become primary. The communication of CI873 with the
devices under it would stop, as the CI873 is still having old firmware. At step 8,
the firmware upgrade of the non-redundant CI873 would be done. After the
CI873 is upgraded with latest firmware, it shall boot up and restart
communication with devices under it. This is observed as the there is a major
version change of the CI873 hardware library in SV 6.0 compared to that in SV
5.1 and rollups.
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