Datasheet
PF2A3-A
Panel mounting type
41.8 40.3
A
Panel fitting dimensions
40 4.3
40
36
+0.5
0
36
+0.5
0
35.8
1
∗ The applicable panel thickness is 1 to 3.2 mm.
SMC FLOW SWITCH
SET
RESET
UNIT
234
5678
1 234
5678
4
3
2
1
8
76
5
19.4
6.4
3 x 7.2 (=21.6)
8-M3
View A
8
Digital Flow Switch
Series PF2A
For Air
Dimensions: Remote Type Display Unit for Air
NC
Internal circuits and wiring examples
12 to 24 VDC
Series
PF2A5
Black
Sensor
Brown
Blue
+
–
4
3
2
1
8
7
6
5
Load
Load
Series
PF2A5
OUT2
OUT1
4
3
2
1
8
7
6
5
Load
Load
12 to 24 VDC
NC
Black
Sensor
Brown
Blue
OUT2
OUT1
PF2A30-A
PF2A3
1-A
+
–
to are the terminal numbers.
Main circuitMain circuit
∗ Do not connect the white wire of the sensor to .
Terminal block numbers
Part no.
PF2A510--1
PF2A550--1
PF2A511--1
PF2A521--1
PF2A551--1
1
5
10
20
50
10
50
100
200
500
1.1
5.4
11
21
54
10.7
53.5
107
214
535
Normal condition
Analog output
1 to 5 VDC
5
1
Min. measured
flow rate value
Analog output [V]
Max. measured
flow rate value
Real-time
flow rate [l/min]
4 to 20 mADC
20
4
Min. measured
flow rate value
Analog output [mA]
Max. measured
flow rate value
Real-time
flow rate [l/min]
Min. measured flow
rate value [
l/min]
Max. measured flow
rate value [
l/min]
Standard condition
Min. measured flow
rate value [
l/min]
Max. measured flow
rate value [
l/min]
Part no.
PF2A510--2
PF2A550--2
PF2A511--2
PF2A521--2
PF2A551--2
1
5
10
20
50
10
50
100
200
500
1.1
5.4
11
21
54
10.7
53.5
107
214
535
Normal condition
Min. measured flow
rate value [
l/min]
Max. measured flow
rate value [
l/min]
Standard condition
Min. measured flow
rate value [
l/min]
Max. measured flow
rate value [
l/min]