Rockwell Automation Publication ICSTT-RM447M-EN-P - July 2019 29
The AADvance Safety Controller Chapter 2
Figure 1 - An AADvance Module
Module Polarization Keying
For each I/O Module there is a matched termination assembly. The
controller incorporates module polarization keying to make sure that they
are correctly mated when installed. Sockets on the rear end plate align and
NOTE Standard AADvance modules have a plastic casing and are rated IP20:
Protected against solid objects over 12 mm (1/2 in.) for example "fingers".
There is no specific protection against liquids.