The ornamental design for a controlsignaltransmissiondevice for motion controller, as shown and described.
FIG. 1 is a top, front, and right side perspective view of a control signal transmission device for motion controller showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines shown in the figures illustrate portions of the control signal transmission device for motion controller that form no part of the claimed design.