User Manual
TMCM-351 Hardware Manual (V1.06 / 2011-NOV-14) 10
Copyright © 2011, TRINAMIC Motion Control GmbH & Co. KG
4.2.3 Reference connector
For the reference switch inputs (two reference switch inputs are supported for each motor) there are two
connector options: either one detachable screw connector (for prototyping, smaller series) or three separate
crimp connectors (for higher volume series).
Please connect as follows:
1
12
Pin
Label
Description
1
REF_0_R
Motor 0, right reference / stop switch input
2
REF_0_L
Motor 0, left reference / stop switch input
3
GND
System / module ground
4
+5V
+5V supply output for active switches
5
REF_1_R
Motor 1, right reference / stop switch input
6
REF_1_L
Motor 1, left reference / stop switch input
7
GND
System / module ground
8
+5V
+5V supply output for active switches
9
REF_2_R
Motor 1, right reference / stop switch input
10
REF_2_L
Motor 1, left reference / stop switch input
11
GND
System / module ground
12
+5V
+5V supply output for active switches
Table 4.5: Reference connector (detachable screw connector)
1
4
Pin
Label
Description
1
REF_0/1/2_R
Motor 0/1/2, right reference / stop switch input
2
REF_0/1/2_L
Motor 0/1/2, left reference / stop switch input
3
GND
System / module ground
4
+5V
+5V supply output for active switches
Table 4.6: Reference connector (crimp connector)
To motion controller TMC428
To motion controller TMC428
Figure 4.3: Internal Reference connector circuit (for one motor axis)