Input the 24 turnout status 1 CLEAR & 1 THROWN for each turnout.


Wabbit-IO Pi interface


IOPi Plus board. The RPi 2x20 header is across the top. On the right are the I2C address pads for the two buses. On the left and bottom are the two 2x10 connector locations. I installed right-angle headers.


Function

Bus 1

Bus 2


Wabbit/Turnout1

Wabbit/Turnout1

5vdc

not used

not used

Ground

to each Wabbit

to each wabbit

1

5/4 CLEAR

2/2 CLEAR

2

5/4 THROWN

2/2 THROWN

3

5/12 CLEAR

2/8 CLEAR

4

5/12 THROWN

2/8 THROWN

5

1/1 CLEAR

4/3 CLEAR

6

1/1 THROWN

4/3 THROWN

7

1/5 CLEAR

4/9 CLEAR

8

1/5 THROWN

4/9 THROWN

9

6/10 CLEAR

Orange LED3

10

6/11 THROWN

Blue LED3

11

6/11 CLEAR

Orange LED3

12

6/10 THROWN

Blue LED3

13

3/6 CLEAR

not used

14

3/6 THROWN

not used

15

3/7 CLEAR

not used

16

3/7 THROWN

not used

IA

GPIO 42

GPIO 12

IB

GPIO 02

GPIO 262 (not used)


1 - See Wabbit Feedback Wiring

2 - See Unicorn HAT Wiring

3 - See Traffic Monitoring Wiring