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Proportional spool valve
Proportional spool valve Proportional spool valve

TYPE CODE ELECTRICAL CONNECTION
W D P F A04 - - - / N E - # X1 Analog interface (Main) X1 Fieldbus interface (Main)
Spool valve
Device receptacle M23, 12 pole male Device receptacle M12, 4 pole male
Direct operated 1 = Supply voltage + 2 1 1 = Supply voltage +
8 9 1 2 = Supply voltage 0 VDC 3 4 2 = Reserved for extentions
Proportional 7 12 10 2 3 = Stabilised output voltage 3 = Supply voltage 0 VDC
6 11 3
5 4 4 = Command value signal voltage + 4 = Chassis
Flange construction
5 = Command value signal voltage -
Mounting interface according to Wandfluh standard, NG4-Mini 6 = Command value signal current +
7 = Command value signal current -
Designation of symbols acc. to table 8 = Reserved for extentions
9 = Reserved for extentions X2 Parameterisation interface
Nominal volume flow rate Q N 4 l/min 4 12 l/min 12 10 = Enable signal (Digital input) USB, Mini B Under the screw plug of the housing
8 l/min 8
11 = Error signal (Digital output) cover
Nominal voltage U 12 VDC G12 12 = Chassis Factory set
N
24 VDC G24 Command value signal voltage (PIN 4/5) resp. current (PIN 6/7) are
selected with parameterisation and diagnostics software PASO.
Slip-on coil Metal housing square with one-sided collar
Connection execution Integrated electronics
X1 Analog interface (Main) X3 Profibus interface according to IEC
Hardware configuration
Analog command value signal 12 pole A2 7 pole D2 (-10 … 10 V preset) Connector DIN EN 175201 - 804 947-5-2
Analog command value signal 12 pole A4 7 pole D4 (4 … 20 mA preset) Device receptacle 7 pole male Device receptacle M12, 5 pole female B-coded
CANopen according to DSP-408 C1 A = Supply voltage + 1 = VP
Profibus DP according to Fluid Power Technology P1 A B = Supply voltage 0 VDC 2 3 2 = RxD / TxD - N
5
CAN J1939 (on request) J1 F B 1 4
G C = Not connected 3 = DGND
E C
Function D D = Command value signal + 4 = RxD / TxD - P
Amplifier E = Command value signal - 5 = Shield
Controller with current feedback value signal (0 … 20 mA / 4 … 20 mA) R1 F = Not connected
Controller with voltage feedback value signal (0 … 10 V) R2
G = Chassis
Sealing material NBR Command value signal: current (D4) or voltage (D2) to specify
FKM (Viton) D1 when placing the order

Manual override integrated
Push-button HF1
Spindle HS1
X3 CANopen interface according to DRP X4 (controller only) Feedback value interface (sensor)
303-1 Device receptacle M12, 5 pole female
Design index (subject to change)
Device receptacle M12, 5 pole male 1 = Supply voltage (output) +
1.10-3240 2 3
1 = Not connected 5 2 = Feedback value signal +
2 1 1 4
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS 3 4 2 = Not connected 3 = Supply voltage 0 VDC
5
Designation Proportional spool valve Working pressure p = 350 bar 3 = CAN Gnd 4 = Not connected
max 4 = CAN High 5 = Stabilised output voltage
Construction Direct operated Tank pressure p = 160 bar
T max 5 = CAN Low
Mounting Flange construction Maximum volume flow Q = 20 l/min, see characteristics Feedback value signal: current (R1) or voltage (R2) to specify
max when placing the order
Nominal size NG4-Mini according to Wandfluh Nominal volume flow Q = 4, 8, 12 l/min
N
standard Leakage oil On request
Actuation Proportional solenoid Hysteresis ≤ 6 % Note! The mating connector is not included in the delivery
Ambient temperature -20…+65 °C Fluid Mineral oil, other fluid on request
The upper temperature limit is a Viscosity range 12 mm /s…320 mm /s
2
2
guideline for typical applications, in Temperature range -25…+70 °C (NBR)
individual cases it may also be higher or fluid -20…+70 °C (FKM)
lower. The electronics of the valve limit Contamination Class 18 / 16 / 13
the power in case of a too high efficiency
electronics temperature. More detailed Filtration Required filtration grade ß 10…16 ≥ 75,
information can be obtained from the see data sheet 1.0-50
operating instructions „DSV”.
Weight 1,8 kg
MTTFd 150 years

www.wandfluh.com Illustrations are not binding Data subject to change 2/6 Edition: 19 30 1.10-3240 E www.wandfluh.com Illustrations are not binding Data subject to change 3/6 Edition: 19 30 1.10-3240 E
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