Programmable logic controller

Description

FIG. 1 is a top-front-right 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-front-right 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 top-front-right perspective view of a programmable logic controller showing a third embodiment of our new design;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof; and,

FIG. 14 is a rear view thereof.

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

Claims

The ornamental design for a programmable logic controller, as shown and described.