PD-1141 Hardware Manual (Rev. 1.04 / 2013-JUL-23)
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3.3.4
Motor Connector
As motor connector a 4pin 2mm pitch single row connector is available. The motor connector is used for
connecting the four motor wires of the two motor coils of the bipolar stepper motor to the electronics.
4
1
Pin
Label
Direction
Description
1
OB2
Output
Pin 2 of motor coil B
2
OB1
Output
Pin 1 of motor coil B
3
OA2
Output
Pin 2 of motor coil A
4
OA1
Output
Pin 1 of motor coil A
Table 3.5 Motor connector
Example for connecting the QSH4218 NEMA 17 / 42mm stepper motors:
M
A
black
green
B
b
lu
e
re
d
TMCM-1141
QS4218 Motor
Motor connector pin Cable color
Coil
Description
1
Red
B
Motor coil B pin 1
2
Blue
B-
Motor coil B pin 2
3
Green
A-
Motor coil A pin 2
4
Black
A
Motor coil A pin 1