User manual

TMCM-1161 V1.0 Hardware Manual (Rev. 1.12 / 2012-JUL-30)
11
www.trinamic.com
AIN_0
47kO
GND GND
AIN_0
100nF
22kO
IN_1/2/3
GND
+3.3V
IN_1/2/3
1nF
GND
10kO22kO
GND
1kO
+5V / pull-up ON
0V / pull-up OFF
PU
Figure 3.4 Internal circuit of AIN_0 Figure 3.5 Internal circuit of IN_1/2/3
3.2.3.1 Left and Right Limit Switches
The TMCM-1161 can be configured so that a motor has a left and a right limit switch. The motor stops
when the traveler has reached one of the limit switches. An additional home switch might be used for
initialization.
Left stop
switch
Right stop
switch
STOP_L
Motor
Traveler
STOP_R
HOME
Figure 3.6 Limit switches and home switch
3.2.4 Motor Connector
Pin
Label
Description
1
OA1
Motor coil A
2
OA2
Motor coil A
3
OB1
Motor coil B
4
OB2
Motor coil B
Table 3.4 Motor connector