The ornamental design for a controller for servomotor, as shown and described.
FIG. 1 is a front, top, and right side perspective view of a controller for servomotor showing our new design;
FIG. 2 is a front, bottom, and left side perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof; and,
FIG. 9 is a front, top, and right side perspective view wherein the cover thereof is opened.
The even broken lines shown in the figures illustrate portions of the controller for servomotor that form no part of the claimed design. The uneven broken lines shown in the figures represent unclaimed boundaries.