Warning message at CI845
In de Unit status of the CI854, the Extendedstatus end the LatchedExtendedStatus the warning "Not Preferred version primary". How the solve this warning
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The warning is raised if the unit's protocol handler finds the firmware (software) or product revision (hardware) too old. This also happens in non-redundant configurations (where the only unit will act as primary).
Please ensure that you have connected the appropriate (most recent) hardware library to the control project and have upgraded the unit's firmware with the corresponding version from the hardware library and that the product revision meet the requirements listed in the release notes.
Below an example from the 5.1 RevA release notes:
Another example from my lab where I have a non-redundant PM860 processor unit with hardware product revision A, PR:A (see label on unit - in some cases the controller log will also list product revision) loaded with 5.1 RevC firmware.
The 5.1 Rev C release notes (2PAA109825-510) states that PR:B is required hardware version:
System Status viewer indicate the problem (as well as the hardware tree of CBM):