COMPASS-READER
1 2 3 4 5 6 7 8
JP1a
1 2
3
4
COMPASS-485
COMPASS-485
JP1b
5
6
7
COMPASS-READER
+12 V =
6
D1
5
D¯
4
GND
3
2
1
Fig. 3
LED B
LED A
GND
D
¯
D1
+12 V =
LED B
18
LED A
17
GND
16
D
¯
15
D1
14
+12 V =
13
12
11
10
9
8
COMPASS-KEY
COMPASS-READER 2
6 5 4 3 2 1
COMPASS-READER 1
6 5 4 3 2 1
J2
1
22
2
21
3
20
4
19
5
18
6
7
8
9
10
11
12
GND
13
D¯
D1
14
15
+12 V =
16
17
J1
COMPASS-READER- Ver. 02 - 3