Page 378 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve Proportional spool valve

PERFORMANCE SPECIFICATIONS FACTORY SETTINGS
Oil viscosity u = 30 mm /s Dither set for optimum hysteresis Dither set for optimum hysteresis
2
◆ = Deadband: Both solenoids switched off ◆ = Deadband: Both solenoids switched off
Q = f (p) Volume flow pressure characteristics Q = f (p) Volume flow pressure characteristics
s = 100 % s = 100 % at command value signal -2%… 2% at command value signal -2%… 2%
ACB-S ADB-V ● = Opening pressure at command value signal + / - 4% ● = Opening pressure at command value signal + / - 4%
■ = Flow at ∆p = 10 bar over two control edges + / - 70% command ■ = Flow at ∆p = 10 bar over two control edges + / - 70% command
Q [l/min Q [l/min] value signal value signal
35 K0182 K1087
30 Q = 16 l/min 50 Type: ACB-S Type: ADB-V
N
Q = 32 l/min
25 N 40 Q N = 40 l/min 15,0 l/min at nominal volume flow rate Q N 32 l/min 20,5 l/min at nominal volume flow rate Q N 40 l/min
20 30 9,4 l/min at nominal volume flow rate Q 16 l/min 16,5 l/min at nominal volume flow rate Q 32 l/min
15 20 Q N = 32 l/min N N
10 Q = 10 l/min Q N = 16 l/min 4,4 l/min at nominal volume flow rate Q N 10 l/min 10,5 l/min at nominal volume flow rate Q N 16 l/min
N
5 Q N = 5 l/min 10 Q N = 10 l/min 2,7 l/min at nominal volume flow rate Q 5 l/min 5,5 l/min at nominal volume flow rate Q 10 l/min
Q N = 5 l/min
0 0 N N
0 50 100 150 200 250 300 350 p [bar] 0 50 100 150 200 250 300 350 p [bar] 3,0 l/min at nominal volume flow rate Q 5 l/min
N

∆p = f (Q) Pressure drop volume flow characteristics ∆p = f (Q) Pressure drop volume flow characteristics
s = 100 % s = 100 % DIMENSIONS HYDRAULIC CONNECTION
ACB-S ADB-V
With analog interface, 12 pole connector
p [bar] p [bar] Amplifier and controller 17.8
35 K0183 Q = 5 l/min Q = 10 l/min Q = 16 l/min 35 K1088 Q N = 5 l/min Q N = 16 l/min Q N = 32 l/min Q N = 40 l/min 25,30 20,21 40
N
N
N
30 Q = 32 l/min 30 T
25 N 25 Q N = 10 l/min X2 A B
20 20 31 21 32.5
15 15 X1 ** X1 * MD= 5.2Nm
10 10 P
5 5 X4 *** 9.5 21.5
0 0 111.4 8 40.5
0 4 8 12 16 20 24 28 32 36 Q [l/min] 0 4 8 12 16 20 24 28 32 36 40 44 48 52 Q [l/min] 79

45 5.2 41 49
Q = f (s,x) Volume flow adjustment characteristics Q = f (s,x) Volume flow adjustment characteristics
∆p = 10 bar, s = Command value signal, x = spool ∆p = 10 bar, s = Command value signal, x = spool 65 50 60
stroke stroke 10 MD= 5.2Nm 107.5 68 MD= 5.2Nm
ACB-S ADB-V 254.7
Q [l/min] Q [l/min] * For amplifier
25 K0750 Q N = 32 l/min 30 K1089 Q = 40 l/min ** For controller
N
20 25 Q = 32 l/min *** Only controller
N
15 Q = 16 l/min 20 With analog interface, 7 pole connector With fieldbus interface With fieldbus interface
N
Q = 16 l/min
15 Q N = 16 l/min
N
10 Q = 10 l/min 10 Q = 10 l/min Amplifier and controller Amplifier Controller
N
N
5 Q N = 5 l/min 5 Q = 5 l/min
N
    X2 X2
-100 -80 -60 -40 -20 0 20 40 60 80 100 x [%] -100 -80 -60 -40 -20 0 20 40 60 80 100 x [%] X1
  X2
-100 -76 -52 -28 -4 0 4 28 52 76 100 s [%] -100 -76 -52 -28 -4 0 4 28 52 76 100 s [%] X1 ** X1 * X1
X3
Frequency response 129.4 X4 *** X3 129.4 X4
∆p = 10 bar 111.4
p < 1 bar
T
45 45 45
o
Amplitude [dB] Phase [ ]
K0912_e
2
0 6.1 5.2 5.2

-3 180
-6 90
-9 0 Note! All values were measured over two control edges. The
0 0,5 1 5 10 50 100 Frequency [Hz] connections A and B were short-circuited.
Signal amplitude 90%
Signal amplitude 10%

www.wandfluh.com Illustrations are not binding Data subject to change 4/6 Edition: 18 12 1.10-82 E www.wandfluh.com Illustrations are not binding Data subject to change 5/6 Edition: 18 12 1.10-82 E
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