Crouzet millenium 3 expandable logic controller crouzet 88970141 this crouzet millenium 3 xd10 r expandable logic controller will give you enhanced performance more memory greater user comfort and increased modularity the expandable millenium 3 offers all the advantages of the latest generation of logic controllers it has a number of additional features including a large backlit lcd screen program password protection a 10 year data backup function even after a power failure a choice