User Manual

TMCM-1140 Hardware Manual (Rev. 1.01 / 2012-JUL-27) 6
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3 Mechanical and Electrical Interfacing
3.1 Dimensions and Mounting Holes
The dimensions of the controller/driver board are approx. 37 mm x 37 mm x 11.5 mm in order to fit on
the back of a 42 mm stepper motor. Maximum component height (height above PCB level) without
mating connectors is around 8mm above PCB level and 2 mm below PCB level. There are two mounting
holes for M3 screws for mounting to a NEMA17 stepper motor.
34
2xM3
37
34
37
3
3
Figure 3.1 Dimensions of TMCM-1140 and position of mounting holes