User Manual

PD42-1270 Hardware Manual • Hardware Version V1.00 | Document Revision V1.10 • 2017-Mar-02

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3 Mechanical and Electrical Interfacing

3.1 PD42-1270 Dimensions

The PD42-1270 includes the TMCM-1270 stepper motor controller/driver module (electronics + encapsu-

lating enclosure) and a NEMA17 / 42mm ﬂange size bipolar stepper motor. Currently, there is a choice

between three NEMA17 / 42mm ﬂange size stepper motors with diﬀerent lengths and diﬀerent holding

torques. All three stepper motors are rated for 1A RMS coil current - perfectly ﬁtting to the TMCM-1270

electronics.

The dimensions of the controller/driver unit are approx. 42mm x 42mm x 12mm (TMCM-1270 electronics +

encapsulating enclosure). There are two mounting holes for M3 screws for mounting on the back bell of a

NEMA17 / 42mm ﬂange size stepper motor (screw/thread length depends on motor size).

Figure 6: PD42-1270 top view mechanical dimensions

3.2 PD42-1270 Dimensions and Weight

When mounted to the stepper motor the overall size of the PANdrive is the housing height plus motor

body size.

Order Code L in mm Weight in g

TMCM-1270 12 ±0,2 ≈ 32

PD42-1-1270 45,5 ±1 ≈ 260

PD42-2-1270 50 ±1 ≈ 320

PD42-3-1270 59 ±1 ≈ 395

Table 3: Length and weight

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