Datasheet

20
120
60
60
OUT1
FOR WATER
FLOW SWITCH
4-ø4.5
50
50
40
DOWN
U P
S E T
OUT2
1.6
17
67 6
34
2-Port size
34
73
34
(42.2)
PF2W704, 720
PF2W740
DOWN
UP
SET
OUT2OUT1
FOR WATER
FLOW SWITCH
L
34
60
44 54
40
50
4
73
42
43
(42.2)
17
58
67
1.6
2-ø3.4
Flow direction
43
21
Connector pin numbers
2-Port size
4-ø4.5
6
Model
PF2W704
PF2W720
L Dimension
100
106
PF2W7--67(-M): PNP type
34 55
Pin no.
1
2
3
4
Pin description
DC(+)
OUT2
DC(–)
OUT1
Digital Flow Switch Series PF2W
For Water
Dimensions: Integrated Display Type for Water
OUT2
12 to
24 VDC
OUT1
Brown
Black
White
Blue
Load
Load
+
–
Internal circuits and wiring examples
PF2W7--27(-M): NPN type
1
4
2
3
Main circuit
to are the terminal numbers.
12 to
24 VDC
OUT2
OUT1
Brown
Black
White
Blue
Load
Load
+
–
1
4
2
3
Main circuit
Flow direction