VISTEK V1693 dual changeover switch
4
Issue 1
1.1
Functional Block Diagram – Screw Terminal Type (Channel A)
L O C AL - 1
L O C AL - 2
IN P U T 1
IN P U T 2
L O C AL
R EM O T E
R E M O T E
R E LAY 3
IN P U T 2
SEL EC T E D
IN P U T 1
SEL EC T E D
C O M M O N
O PT O -
ISO LAT E D
C O N T R O L
IN PU T
R E LAY 4
L O C AL
SEL EC T E D
R EM O T E
SEL EC T E D
C O M M O N
D AR T
D AR T IF
C O N T R O L A
AC T IV E
LO
AC T IV E
H I
F P SW IT C H D ISAB LE
JP1
JP2
+12V
0V
JP3
0V
JP 6
JP 7
JP5
C O N
R EV
IN PU T
A1
O U T PU T
A
50R
R E LAY 1
+
-
+
-
R E LAY 2
+
-
IN PU T
A2
S
S
S
R EL AY C O IL
O PE R AT ED O K ?
PO W ER
FR O NT P ANEL
SW ITCH (SW 1)
0V
0V
75R
600R
H I Z
JP8
JP9
JP10
JP 11
0V
0V
0V
