User Manual

PD-1161 V1.0 Hardware Manual (Rev. 1.15 / 2013-JUL-23) 12
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3.2.3 In/Out Connector
Pin
Label
Description
1
GND
Module ground (system and signal ground)
2
VCC
10… 30V DC power supply / nom. 24V DC
3
OUT_0
General purpose output, open collector
4
OUT_1
General purpose output, open collector
5
IN_0
Analog input, 0… 10V (analog to digital converter range)
6
STOP_L/
STEP/
IN_1
Digital input, +24V compatible, programmable internal pull-up.*
Functionality can be selected in software:
a) Left stop switch input (connected to REF1 input of TMC429 motion controller)
b) Step signal (connected to step input of TMC262 stepper driver)
c) General purpose input (connected to processor)
7
STOP_R/
DIR/
IN_2
Digital input +24V compatible, programmable internal pull-up.*
Functionality can be selected in software:
a) Right stop switch input (connected to REF3 input of TMC429 motion controller)
b) Direction signal (connected to direction input of TMC262 stepper driver)
c) General purpose input (connected to processor)
8
HOME/
ENABLE/
IN_3
Digital input +24V compatible, programmable internal pull-up.*
Functionality can be chosen in software:
a) Home switch input (connected to processor)
b) Enable signal (connected to processor)
c) General purpose input (connected to processor)
Table 3.3 In/Out connector
* It is possible to enable / disables pull-ups (1k to 5+V) in software for all three digital inputs. Pull-ups
are always enabled / disabled for all three together / at the same time.
GND
GND
OUT_0
OUT_1
+24V
OUT_0
OUT_1
Figure 3.4 Internal circuit of OUT_0/1