Why does BMXDAI1604 module hold the last value when powered off?

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Issue

Customer observed that in BMXDAI1604 module the last value is held in Unity software even when the 110V power supply is off, whereas there is no LED indication on Modules and is only normalized when power is back. (Refer to snapshots below).

Product Line

Control Expert V14.0, BMXDAI1604

Environment

Unity Pro version - V13.1 without hotfix
CPU version BMEP586040: SV-2.7
CRA Version BMECRA31210: SV-2.3

Resolution

This issue is caused by BMECRA31210 SV2.3.
There is no such issue with BMECRA31210 SV2.31 and SV2.4. Upgrading the firmware of CRA will fix this issue.