Gv204_01c_oi_e.doc / Apr-16
Page 7 / 12
4.
Block Diagram
The subsequent block diagram shows all essential circuit details of a GV204 unit:
GND
Vout
Shield
+V
B
+V
ext
GND
A
/A
B
/B
Z
/Z
GND
+
-
GND
A
/A
B
/B
Z
/Z
+5,4V
+V
B
TTL
HTL
TTL
HTL
+V
B
+5,4V
Input
(Sub-D-9 male)
Output 2
(Sub-D-9 female)
A
/A
B
/B
Z
/Z
3
5
4
2
1
9
7
6
3
2
1
9
7
6
3
2
1
9
7
6
5
5
Output 1
(Sub-D-9 female)
IN HTL
TTL
OUT1
/
Vext
OUT2
/
Vext