Specifications - SMC Networks PF3W3 Series Operation Manual

Specifications

Specifications of the product
Model
Applicable sensor
Rated flow range
Display flow range
Switch point range
Min. setting unit
Conversion of
accumulated pulse
(Pulse width = 50 ms)
Display unit
Accuracy
Repeatability
Temperature
characteristics
Accumulated flow range
∗1
Switch output
Max. load current
Max. applied
voltage
Internal voltage
drop
Response time
∗2
Output protection
Flow
T emp.
Response time
∗3
Voltage output
Current output
PF3W504 PF3W520
0.5 to 4 L/min 2 to 16 L/min
0.35 to 4.50 1.7 to 18.0
L/min
L/min
(Displays 0.00 (Displays 0.0
when the value when the value
is below 0.35 is below 1.7
L/min) L/min)
0.35 to 4.50 1.7 to 18.0
L/min L/min
0.01 L/min
0.05 L/pulse 0.1 L/pulse
L/min for real-time flow and L for accumulated flow
±0.5%F.S. max. Display and analogue output
99999999.9 L
By 0.1 L By 0.5 L
NPN: 1 V max. (at 80 mA load current) PNP: 1.5 V max. (at 80 mA load current)
Select one of the output (hysteresis or window comparator mode), the output for the
accumulated flow and the accumulated pulse output.
Select the output for fluid temperature
(hysteresis or window comparator mode).
Output voltage: 1 to 5 V, Output impedance: 1 kΩ
Max. load impedance: 300 Ω for 12 VDC, 600 Ω for 24 VDC.
PF3W30#
PF3W540
5 to 40 L/min
3.5 to 45.0
L/min
(Displays 0.0
when the value
is below 3.5
L/min)
3.5 to 45.0
L/min
0.1 L/min
0.5 L/pulse
±0.5%F.S. max.
±0.5%F.S. max. (25 o C reference)
NPN or PNP open collector output
80 mA
28 VDC
1 s/2 s
Short circuit protection
1 s/2 s
Output current: 4 to 20 mA
-68-
PF3W511 PF3W521
10 to 100 L/min 50 to 250 L/min
7 to 112 L/min 20 to 280 L/min
(Displays 0 (Displays 0
when the value when the value
is below 7 is below 20
L/min) L/min)
7 to 112 L/min 20 to 280 L/min
1 L/min 2 L/min
1 L/pulse 2 L/pulse
999999999 L
By 1 L
No.PF※※-OMN0012-I