Rockwell Automation Publication ICSTT-RM448M-EN-P - February 2021 31
Chapter 2 The AADvance Safety Controller
Figure 2 - 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 mate with
coding pins found on the termination assembly. The alignment of the sockets
and pins make sure that only the matched I/O modules and termination
assemblies can be mated.
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.
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