The extension modules cannot operate alone, they have to be connected to an extendable Millenium 3.
Wide range of extension modules.
The "sandwich"-type module is inserted between a logic module and a standard extension.
Only one type of "sandwich" module is possible.

Crouzet Millenium 3

The Millenium 3 is the latest generation in the Millenium series. Improvements over the Millenium 2 Plus include:

The Compact Controller has around twice the memory size
The Expandable Controller has around four times the memory size
10 bit analogue input resolution (0 – 10V signal) on dc input types (formerly 8 bit)
18 character (formerly 12), 4 line display with scrolling text and bargraph functionality
Choice of ladder or function block programming