Enclosure for a programmable input/output controller
FIG. 1 is a top, front, right side perspective view of an enclosure for a programmable input/output controller showing my new design; 
     FIG. 2 is a front elevation thereof; 
     FIG. 3 is a rear elevation thereof; 
     FIG. 4 is a bottom plan thereof; 
     FIG. 5 is an enlarged partial sectional view taken on line 5--5 of FIG. 2; and, 
     FIG. 6 is a bottom, rear, left side perspective view thereof. 
     The left side of the enclosure is identical to the right side shown in FIG. 1.