TMCM-351 Hardware Manual (Rev. 1.07 / 2012-DEC-17)

9

www.trinamic.com

3.2.3 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).

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 3.5 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 3.6 Reference connector (crimp connector)

To motion controller TMC428

To motion controller TMC428

Figure 3.3 Internal Reference connector circuit (for one motor axis)