Adding an RTD card TBCB

Hello everyone,
We migrated from markv to markvie for our turbogenerators, in the old configuration the generator and the transformers are protected by a separate panel (02 thermometric stations) following the faults of the latter we have integrated the RTDs of a single temperature station to the TCT table, but the number of unused Inputs is not sufficient for all RTDs (only one existing TBCA card in the panel) but on the software we can see TBCA and TBCB, we need your support for two points:
1. Is it possible to install another board for RTD input
2. Are the TBCA and TBCB cards equivalent (at the store we only have TCBA cards)
I took photos of the software and hardware if necessary I can send them.
Thanks.
 
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