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3.6 Pressure drop related to flow rate
(464)
32
(406)
28
(350)
24
(290)
20
(235)
16
(175)
12
(120)
8
(60)
4
30
0
10
20
(2.6)
(5.3)
(7.9)
Flow Q [l/min (GPM)]
3.7 Spool position sensor
Function description:
Contactless inductive sensor with two transistor switched outputs. The output OUT 2 is inverted. The double output signal is protected against
mutual interference and increases the reliability of the spool end position signalization, which is important for the command system ensuring the
safety of the machine operation. The sensor is factory set to switch when the spool is moved from its base position by 0.5 ± 0.1 mm. The relative
position of the encoder parts after adjustment is indicated in red. The electrical connection of the sensor is provided by a four-pin connector with
M12x1 thread.
3
4
2
4-pin connector with the thread M12
1
Connection scheme of the spool position sensor
DC st
DC
AC
Oscil
DC
Contact switching diagram
← Adjusted switching point
1
0
1
0
±
0
0,5 0,1 mm
(0,2±0,04 in)
Page 7
(measured at a viscosity of 32 mm
6
5
4
3
2
1
40
50
60
70
80
(10.6) (13.2) (15.9)
(18.5)
(21.1)
Technical data
Max. pressure resistance
Operating temperature
Storage temperature
Supply voltage Ub
Current consumption (max.)
Output voltage (min.)
Output current
Ingress protection
Hysteresis of switching point (max.)
Reproducibility at 25 °C (77 °F)
Temperature drift
Weight
1
Pin 4
Pin 2
2,5 mm
(0,98 in), spool switched by solenoid
s
)
2
-1
Type of spool + curves P-A
P-B
Z11,R1,R21,X11,X32 1
1
C11
5
5
H11
1
1
Z51,H51
1
C51
1
R31
1
K11
1
R30
3
1
X30
1
1
V51
3
3
bar (PSI)
°C (°F)
°C (°F)
V
mA
V
mA
mm (in)
mm (in)
mm / °C
kg (lbs)
1
Ub
4
OUT 1
2
OUT 2
3
GND
0 - max. voltage 1,8 V DC
1 - min. voltage Ub – 2,5 V DC
Operating_Instructions_RPE3-062x/xS3_14087_1en_05/2022
A-T
B-T
P-T
2
2
5
6
2
1
2
2
2
2
4
2
2
1
2
2
3
315 (dynamic)
-20 ... +85 (-4 ... +185)
-25 ... +85 (-13 ... +185)
24 V DC ± 20 %
20
Ub – 2,5 V
2 x 250
IP65
0,06 (0.002)
± 0.02 (± 0.0008)
0.002
0.25 (0.55)
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