Programmable Logic Controller

FIG. 1 is a top perspective view of a programmable logic controller showing a first embodiment of our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof; and

FIG. 6 is a top view thereof;

FIG. 7 is a top perspective view of a programmable logic controller showing a second embodiment of our new design;

FIG. 8 is a left side view thereof;

FIG. 9 is a right side view thereof;

FIG. 10 is a rear view thereof; and

FIG. 11 is a front view thereof;

FIG. 12 is a top perspective view of a programmable logic controller showing a third embodiment of our new design;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a rear view thereof; and

FIG. 16 is a front view thereof;

FIG. 17 is a top perspective view of a programmable logic controller showing a fourth embodiment of our new design;

FIG. 18 is a left side view thereof;

FIG. 19 is a right side view thereof;

FIG. 20 is a rear view thereof; and

FIG. 21 is a front view thereof;

FIG. 22 is a top perspective view of a programmable logic controller showing a fifth embodiment of our new design;

FIG. 23 is a left side view thereof;

FIG. 24 is a right side view thereof;

FIG. 25 is a rear view thereof; and,

FIG. 26 is a front view thereof.

The bottom surface of the programmable logic controller according to each of the embodiments of our new design is not visible during use and forms no part of the claimed design.