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Proportional pressure reducing valve
Proportional pressure reducing valve Proportional pressure reducing valve

TYPE CODE ELECTRICAL CONNECTION
M Q P PM22 - - / M E - HB4,5 # X1 Analog interface (Main) X1 Fieldbus interface (Main)
Pressure reducing valve
Device receptacle M23, 12 pole male Device receptacle M12, 4 pole male
Pilot 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
Screw-in cartridge M22 x 1,5
5 = Command value signal voltage ­
Nominal pressure range p N red 40 bar 40 200 bar 200 6 = Command value signal current +
63 bar 63 275 bar 275 7 = Command value signal current ­
100 bar 100 350 bar 350 8 = Reserved for extentions

160 bar 160 9 = Reserved for extentions X2 Parameterisation interface
10 = Enable signal (Digital input) USB, Mini B Under the screw plug of the housing
Nominal voltage U 12 VDC G12
N 11 = Error signal (Digital output) cover
24 VDC G24
12 = Chassis Factory set
Slip-on coil Metal housing square Command value signal voltage (PIN 4/5) resp. current (PIN 6/7) are
selected with parameterisation and diagnostics software PASO.
Connection execution Integrated electronics
Hardware configuration
Analog command value signal 12 pole A1 7 pole D1 (0 … 10 V preset) X1 Analog interface (Main) X3 Profibus interface according to IEC
Analog command value signal 12 pole A4 7 pole D4 (4 … 20 mA preset) Connector DIN EN 175201 ­ 804 947­5­2
CANopen according to DSP-408 C1
Profibus DP according to Fluid Power Technology P1 Device receptacle 7 pole male Device receptacle M12, 5 pole female B­coded
CAN J1939 (on request) J1 A = Supply voltage + 2 3 1 = VP
A 5
F B B = Supply voltage 0 VDC 1 4 2 = RxD / TxD ­ N
Function G C = Not connected 3 = DGND
Amplifier E D C D = Command value signal + 4 = RxD / TxD ­ P
Controller with current feedback value signal (0…20 mA / 4… 20 mA) R1
Controller with voltage feedback value signal (0…10 V) R2 E = Command value signal ­ 5 = Shield
F = Not connected
Sealing material NBR G = Chassis
FKM (Viton) D1
Command value signal: current (D4) or voltage (D2) to specify
Manual override when placing the order

Design index (subject to change)
2.3-643 X3 CANopen interface according to DRP X4 (controller only) Feedback value interface (sensor)
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS 303­1 Device receptacle M12, 5 pole female
Designation Proportional pressure reducing valve Working pressure p = 400 bar (port P) Device receptacle M12, 5 pole male 2 3 1 = Supply voltage (output) +
max
5
Construction Pilot operated p = 100 bar (port T) 2 1 1 = Not connected 1 4 2 = Feedback value signal +
max
5
Mounting Screw­in cartridge construction Tank pressure p T max = p + 20 bar 3 4 2 = Not connected 3 = Supply voltage 0 VDC
P
Nominal size M22 x 1,5 according to ISO 7789 Supply pressure p ≥ p + 10 bar (static) 3 = CAN Gnd 4 = Not connected
red
P
4 = CAN High
5 = Stabilised output voltage
Actuation Proportional solenoid p ≥ p + 80 bar (at 40 l/min) 5 = CAN Low
red
P
Ambient temperature ­20…+65 °C Nominal pressure p N red = 40 bar, 63 bar, 100 bar, 160 bar, Feedback value signal: current (R1) or voltage (R2) to specify
when placing the order
The upper temperature limit is a range 200 bar, 275 bar, 350 bar
guideline for typical applications, in Minimum adjustable < 1 bar
individual cases it may also be higher or pressure Note! The mating connector is not included in the delivery
lower. The electronics of the valve limit Volume flow range See characteristics
the power in case of a too high Leakage oil See characteristics
electronics temperature. More detailed Hysteresis ≤ 5 % at optimal dither signal
information can be obtained from the Repeatability ≤ 3 % at optimal dither signal
operating instructions „DSV”. Fluid Mineral oil, other fluid on request
Weight 1,05 kg Viscosity range 12 mm /s…320 mm /s
2
2
MTTFd 150 years
Temperature range ­25…+70 °C (NBR)
fluid ­20…+70 °C (FKM)
Contamination Class 18 / 16 / 13
efficiency
Filtration Required filtration grade ß 6…10 ≥ 75,
see data sheet 1.0­50
www.wandfluh.com Illustrations are not binding Data subject to change 2/6 Edition: 20 22 2.3-643 E www.wandfluh.com Illustrations are not binding Data subject to change 3/6 Edition: 20 22 2.3-643 E
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