4/3-way servo solenoid directional control valves, pilot operated, … Sheets/BRH 4WRVE 10-27... · 2012-09-20 · 4/3-way servo solenoid directional control valves (pilot operated)

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4/3-way servo solenoid directional control valves, pilot operated,with electrical position feedback and on-board electronics (OBE)Type 4WRVE 10...27, symbols V, V1

Sizes (NG) 10, 16, 25, 27Unit series 2XMaximum working pressure P, A, B 350 bar (NG27: 280 bar)Nominal flow rate 40...430 l/min (∆p = 10 bar)

RE 29077/01.09Replaces: 01.05

List of contentsContents PageFeatures 1Ordering data 2Symbols, accessories 3Function, sectional diagram 4Control oil supply 5Technical data 6 to 8On-board electronics 9Characteristic curves 10 and 12Unit dimensions 13 to 15

Features – Pilot operated High Response 4/3-way servo solenoid

directional control valves NG10 to NG27, with control piston and sleeve in servo quality

– On-board electronics (OBE) with position controller for the pilot and main stages, calibrated at the factory

– Main stage in servo quality with position feedback– Flow characteristic

• M = Progressive with fine metering notch• P = Non-linear curve• L = Linear

– Electrical connection 11P+PESignal input of differential amplifier with interface B5 ±10 V

– For subplate attachment, mounting hole configuration NG10to ISO 4401-05-05-0-05, NG16 to ISO 4401-07-07-0-05 and NG25/27 to ISO 4401-08-08-0-05

– Subplates as per Technical Data Sheet, NG10 RE 45055, NG16 RE 45057 and NG25/27 RE 45059 (order separately)

– Plug-in connectors to DIN 43563-AM6, see Technical Data Sheet RE 08008 (order separately)

For information regarding the available spare parts see:www.boschrexroth.com/spc

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a 0 b

A B

P T

2/16 Bosch Rexroth AG Hydraulics 4WRVE 10...27 RE 29077/01.09

Ordering data

With on-board electronics = ENG10 = 10NG16 = 16NG25 = 25NG27 1) = 27Control spool symbols

4/3-way version

= V, V1

With symbol V1:P → A: qv B → T: qv/2P → B: qv/2 A → T: qv

Nominal flow rate at 10 bar valve pressure difference (5 bar per metering notch)NG1040 l/min 2) = 4055 l/min 3) = 5570 l/min 2) = 7085 l/min 3) = 85NG1690 l/min 2) = 90120 l/min 3) = 120150 l/min 2) = 150200 l/min 3) = 200NG25300 l/min 2) = 300370 l/min 3) = 370NG27430 l/min 1) 3) = 4301) NG27 is a high-flow version of NG25, ports

P, A, B and T have ∅ 32 mm in the main stage. Contrary to standard ISO 4401-08-08-0-05, ports P, A, B and T may be drilled to max. ∅ 30 mm in the control block. These valves therefore offer higher flow rates QA : QB

2) QN: Flow characteristic “P”3) QN: Flow characteristic “M” or “L”

Further information in plain text

M = NBR seals,suitable for

mineral oils (HL, HLP) to DIN 51524

Interface for trigger electronics

B5 = Setpoint input ± 10 VElectrical connection

K0 = without plug-in connector,with plug to DIN 43563-AM6

Order plug-in connector separatelyControl oil inlet “x”

control oil return “y” No desig. = “x” = external “y” = externalE = “x” = internal “y” = externalET = “x” = internal “y” = internalT = “x” = external “y” = internal

Power supply of trigger electronicsG24 = +24 V DC

2X = Unit series 20 to 29(installation and connection dimensions unchanged)

Flow characteristicM = Progressive with linear fine meteringP = Non-linear curve, linear (kink at 40 %) L = Linear

4WRV E 2X G24 K0 B5 M *

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Q

20%

20%

Ds

Q

Ds

Q

40%

40%Ds

a 0 b

A B

P T

Hydraulics Bosch Rexroth AGRE 29077/01.09 4WRVE 10...27 3/16

Symbols

M: Progressive with fine metering P: Non-linear, linear (40 %) L: Linear

Accessories, not included in deliveryFastening bolts NG10 4 x ISO 4762-M6 x 40-10.9-N67F821 70 2 910 151 209

NG16 2 x ISO 4762-M6 x 45-10.9-N67F821 70 2 910 151 2114 x ISO 4762-M10 x 50-10.9-N67F821 70 2 910 151 301

NG25/27 6 x ISO 4762-M12 x 60-10.9-N67F821 70 2 910 151 354

Pg16

Plug-in connector 11P+PE, KSalso see RE 08008

1 834 484 142

Testing and service equipment– Test box type VT-PE-TB3, see RE 30065– Test adapter 11P+PE type VT-PA-1, see RE 30067

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T

3

A P B

X Y

1

2


Function, sectional diagram

ConstructionThe valve consists of three main assemblies:– Pilot valve (1) with control spool and sleeve,

return springs, dual-stroke solenoid and inductive position transducer

– Main stage (2) with centering springs and position feedback– On-board trigger electronics (3)

Functional descriptionIn the on-board electronics, the pre-defined setpoint is compared with the actual value for the position of the main stage control spool. In the event of an error signal, the dual-stroke solenoid is actuated, and the pilot spool is moved as the magnetic force changes. The flow released through the control cross-sections causes the main control spool to move. The stroke/control cross-section of the main control spool is controlled proportionately to the setpoint. If the input setpoint is 0 V, the electronics move the main stage control spool to mid position. The control oil is conveyed to the pilot valve either internally via port P or externally via port X. The oil returns to the tank internally via port T or externally via port Y. When switched off, the pilot valve is undefined in P-B/A-T (preferable) or P-A/B-T, and the main stage can be 100 % controlled.

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P T

TP

A

A

B

B

Ta b

P

A B

0a b

G

G

XP Y T

X Y

Pv Tv

P T

Y X

PvTv

P

A B

P T X

G G

ba

A B

P T Y X

G G

ba

A B

P T Y

G

ba

G

A B

P T

G

ba

G


Symbol in detail(external control oil inlet and outlet)

Main valve

Pilot valve

Type … –3X …

Type … –3X … E …

Type … –3X … ET …

Type … –3X … T …

No designation = “x” = external “y” = externalE = “x” = internal “y” = externalET = “x” = internal “y” = internalT = “x” = external “y” = internal

Control oil supply

Important4/3-way servo solenoid directional control valves (pilot operated) do not have a closed mid position when switched off! They only perform their function in an active, closed control loop. See technical data for details on “switch-off behavior”.

NG10, 25, 27 NG16

The pilot valve can be supplied both via ports X and Y (externally) and via the main flow channels P and T.

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Technical data

GeneralConstruction Spool type valve, pilot operatedActuation Servo solenoid directional control valve NG6 OBE, with position controller

for pilot valve and main stageType of mounting Subplate, mounting hole configuration NG10...27 to ISO 4401-...Installation position OptionalAmbient temperature range °C –20...+50Weight kg NG10 8.0 NG16 10.4 NG25 18.2 NG27 18.2Vibration resistance, test condition Max. 25 g, shaken in 3 dimensions (24 h)

Hydraulic (measured with HLP 46, oil = 40 °C ±5 °C)Pressure fluid Hydraulic oil to DIN 51524…535, other fluids after prior consultationViscosity range recommended mm2/s 20...100

max. permitted mm2/s 10...800Pressure fluid temperature range °C –20...+65Maximum permissible degree of contamination of pressure fluidPurity class to ISO 4406 (c) Class 18/16/13 1)

Flow direction See symbol

Nominal flow at ∆p = 5 bar per notch 2) l/min

NG10 NG16 NG25 NG2740 55 70 85 90 120 150 200 300 370 430

Max. Ports P, A, Bworking External control oil inlet bar 350 350 350 280pressure Ports P, A, B Internal control oil inlet bar 250 Ports T, X, Y bar 250Min. control oil pressure in “pilot stage” bar 10Qmax l/min 170 450 900 1000QN pilot valve l/min 8 24 40 40Leakage of pilot valve at 100 bar cm3/min < 180 < 300 < 500 < 500Leakage of main stage at 100 bar cm3/min < 400 < 600 < 1000 < 1000 < 1000

Static/DynamicHysteresis % < 0.1 scarcely measurableManufacturing tolerance for Qmax % < 10Response time for signal change (at X = 100 bar)

0...100 % 12 15 23 230...10 % 6 7 10 10

Response time for signal change (at X = 10 bar)

0...100 % 40 50 90 900...10 % 20 20 30 30

Switch-off behavior After electrical switch-off: Pilot valve undefined in P-B/A-T or P-A/B-TMain stage can be controlled 100 % (PB/AT or PA/BT)

Thermal drift Zero point displacement < 1 % at ∆T = 40 °CZero adjustment Factory-set ±1 %Electromagnetic compatibility EN 61000-6-2: 2002-08

EN 61000-6-3: 2002-081) The purity classes stated for the components must be complied with in hydraulic systems.

Effective filtration prevents problems and also extends the service life of components. For a selection of filters, see Technical Data Sheets RE 50070, RE 50076 and RE 50081.

2) Flow rate at a different Δp Qx = Qnom · ∆px5!w

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1 8

910

112

3

4 5

6

7

11P + PE


Technical data

Electrical, trigger electronics integrated in the valveCyclic duration factor % 100, max. current input 30 VA (24 V DC)Degree of protection IP 65 to DIN 40050 and IEC 14434/5Connection Plug, 11P+PE DataPower supply24 V DCnom

1) 1

2+24 V DCnom, fuse 2.5 AF (output stages)0 V power ground

2) 9

10+24 V DCnom signal part0 V signal ground

Input signal 3)

±10 V4

5UIN differential amplifier, Ri = 100 kΩUIN

6Feedback signal (LVDT) 6

7±10 V=, Ra = 1 kΩ0 V, reference point

Enabling input 3 > 8.5 V to 24 V DCnom (max. 40 V DC)Ri = 10 kΩ

Signals 4) 8

11Enabling acknowledgement +24 V DCError signal: no error +24 V DC

Protective conductor Only connect when transformer of 24 V DC systemdoes not conform to standard VDE 0551

Connecting cable Recommended Ø 12...14 mm: screenedmax. 20 m 0.75 mm2

max. 40 m 1.0 mm2

24 V DCnom – min. 21 V DC– max. 40 V DC

1) UB (Pin 1) = output stage supply– Valve “OFF” < 13.4 V DC– Valve “ON” > 16.8 V DC No error signal (Pin 11)

2) US (Pin 9) = electronics supply – Valve “OFF” < 16.8 V DCError signal (Pin 11) – Valve “ON” > 19.5 V DCNo error signal (Pin 11)

3) Inputs: dielectric strength to withstand up to max. 50 V4) Signals can bear a load of max. 20 mA and are resistant

to shorts to ground.

11P+PE

ImportantPilot operated 4/3-way servo solenoid directional control valves only perform their function in an active closed control loop and do not have a fail-safe position when switched off. For this reason, many applications require the use of “additional check valves”, which must be taken into account during the On/Off switching sequence.

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1

24 V=

3

4

5

A P B T

62


ConnectionSee page 7 for electrical data

Technical notes on the cableVersion: – Multi-wire cable – Extra-finely stranded wire

to VDE 0295, Class 6 – Protective conductor, green/yellow – Cu braided screenType: – e.g. Ölflex-FD 855 CP

(from Lappkabel company)No. of wires: – Determined by type of valve, plug type

and signal assignmentCable Ø: – 0.75 mm2 to 20 m length – 1.0 mm2 to 40 m lengthOutside Ø: – 9.4...11.8 mm – Pg11 – 12.7...13.5 mm – Pg16

ImportantElectrical signals emitted via the trigger electronics (e.g. actual values) must not be used to shut down safety-relevant machine functions!(See European Standard, “Technical Safety Requirements for Fluid-Powered Systems and Components – Hydraulics”, EN 982.)

1 Control2 Provided by customer3 Plug-in connector4 Valve5 Connecting surface6 Provided by Rexroth

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DC

PID

Logic

+UB

+UB

+UB

+–

DC

S

HRV

4/3-Regel-Wegeventil

U

S

U

1

1 –15 V=

0…±10 V

2 ref. 0

3 +15 V=

4 signal

Freigabe-Quittung

Elektronik-Versorgung

23456

789

1011

PD+–

Freigabe

UIN 10 V 0 VoderUIN 0 V 10 V

Schutzleiter

Fehlermeldung

0 V

2.5 AF +24 V=

+24 V= 0,5 A

0 V

0 V

Signal

Signal

24 V

24 V

24 V

100k10k

100k

Endstufen-Versorgung

LVDT Signal 10 V (Test)

+15 V–15 V

Eingangs-signal

Ventil-stellung

A B

P T

U4 – U5 > 0 V

U4 – U5 = 0 V

U4 – U5 < 0 V

A B

P TA B

P T

1 +24 V =+24 V =

+24 V =

2 0 V0V

0 V

+24 V =

0 V

Freigabe-eingang

Ventil

Differenz-verstärker

LVDT Signal0… 10 V

Meldung

3

0 V intern

4

5100k

6

7

10 V (Sign.)

8

9

10

11

SL

0 V (Sign.)UE

US

Supply

Test

UB

prot. groundSL

24 V=

24 V=Logic

24 V=Logic

Meldung


On-board electronicsBlock diagram/pin assignmentVersion B5: UE ±10 V

Pin assignment 11P+PEVersion B5: UE ±10 V(Ri = 100 kΩ)

Output stage supply

Enabling

or

LVDT signal+ 10 V (test)

Electronics supply

Enabling acknowledgement

Error signal

Protective conductor

4/3-way servo solenoid directional

control valve

Valve position

Input signal

Valve

Enabling input

Differential amplifier

0 V internal

Signal

Signal

LVDT signal0…+ 10 V

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100

60

80

40

20

-20

-60

-40

-80

-100

-10

UD–E [V]

-UD–E [V] -8 -6 -4 -2

2 4 6 8 10

Q [%]

Q [%]

1%

-20

-60

-40

-80

-100

-10

UD–E [V]

-UD–E [V]

10% QN

10% QN-8 -6 -4

2 4 6 8 10

-2

100

60

80

40

20

Q [%]

100

60

80

40

20

-20

-60

-40

-80

-100

-10

UD–E [V]

-UD–E [V] -8 -6 -4 -2

2 4 6 8 10

Q [%]

Q [%]

P-AB-T(1:1)

B-T(2:1)

P-AB-T(1:1)

B-T(2:1)

P-AB-T(1:1)

B-T(2:1)

Q [%]


Characteristic curves (measured with HLP 46, oil = 40 °C ±5 °C)Flow rate/Signal function Q = f (UE)

Flow characteristic M

Flow characteristic L

Flow characteristic P

Calibrated

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DpA B

A B

P T X

G G

Y

UE

PP

ab

100

80

60

40

20

–20

–40

–60

–80

–100

UE [%]–UE [%] –4 –3 –2 –1 1 2 3 4

DpA–B [%pP]

[%pP]DpA–B

U sol

l, ist

[%]

p V =

250

bar

p V =

100

bar

00

25

50

75

100

5 10 15[ms]

U sol

l, ist

[%]

p V =

250

bar

p V =

100

bar

00

25

50

75

100

10 20 30[ms]

U sol

l, ist

[%]

p V =

250

bar

p V =

100

bar

00

25

50

75

100

10 20 30[ms]


Characteristic curves (measured with HLP 46, oil = 40 °C ±5 °C)Pressure gain ∆ = f (UE)

NG10

Response time 0 → 100 %

NG16 NG25/27

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100%5%1%

100% = 12 m.s.0

42 Hz79 Hz

103 Hz

Freq.w

–90°

100%

5%

1%

100

%

5%

1%

–3 dB

0 20

40

60

80

–10

–8

–6

–4

100

120

140

–2

0

2

160

180

200

Psyst. = 100 bar –w

AB

dB

f [Hz]10 20 40 60 80 100 200 3001 2 4 6 8

Amplitude Phase

100%5%1%

100% 15 m.s.0

42 Hz80 Hz

100 Hz

Freq.w

–90°

100% 5%

1%

100

% 5

%

1%

–3 dB

0 20

40

60

80

–10

–8

–6

–4

100

120

140

–2

0

2

160

180

200

Psyst. = 100 bar –w

AB

dB

f [Hz]10 20 40 60 80 100 200 3001 2 4 6 8

Amplitude Phase

0 20

40

60

80

–10

–8

–6

–4

100

120

140

–2 –3 dB

100%5%1%

100% 26 m.s.0

35 Hz53 Hz60 Hz

Freq.w

–90°

0

2

160

180

200

Psyst. = 100 bar

5% 1% 100%

–w

AB

dB

100

%

1%

5%

f [Hz]10 20 40 60 80 100 200 3001 2 4 6 8

Amplitude Phase


Characteristic curves (measured with HLP 46, oil = 40 °C ±5 °C)Bode diagram

NG10 NG16

NG25/27

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3

T TA P BX Y

77

5 8 7 6 4

167

24196

10281

49

39

33

ø6,6

24

1 2 9

70

8

5

206

105

46

30

10

72

P

T T1A B

F2F1

X Y

F3F4

25

13

104

0,01/100

Rzmax 4


Unit dimensions NG10 (nominal dimensions in mm)

1 Pilot valve2 O-ring 9.25 x 1.78 (ports P, A, B, T)3 On-board electronics4 Main valve5 Inductive position transducer (main valve)6 Nameplate7 O-ring 12 x 2 (ports P, A, B, T, T1)8 O-ring 10 x 2 (ports X, Y)9 Plug-in connector not included in delivery

(order separately)

10 Machined valve contact surface, mounting hole configuration according to ISO 4401-05-05-0-05

Deviates from standard:Ports P, A, B, T, T1 ∅ 10.5 mmMinimum thread depth: Ferrous metal 1.5 x Ø

Non-ferrous 2 x ØSubplates, see Technical Data Sheet RE 45055Valve fastening bolts (order separately)The following valve fastening bolts are recommended:4 cheese-head bolts ISO 4762-M6x40-10.9-N67F821 70(galvanized in accordance with Bosch standard N67F821 70)Tightening torque MA = 11+3 NmMaterial no. 2910151209

Required surface quality of mating component

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Deviates from standard:Ports P, A, B, T ∅ 20 mmMinimum thread depth: Ferrous metal 1.5 x Ø

Non-ferrous 2 x ØSubplates, see Technical Data Sheet RE 45057Valve fastening bolts (order separately)The following valve fastening bolts are recommended:2 cheese-head bolts ISO 4762-M6x45-10.9-N67F821 70(galvanized in accordance with Bosch standard N67F821 70)Tightening torque MA = 11+3 NmMaterial no. 2910151211 4 cheese-head bolts ISO 4762-M10x50-10.9-N67F821 70(galvanized in accordance with Bosch standard N67F821 70)Tightening torque MA = 50+10 NmMaterial no. 2910151301

3

77

47

5 8 7 6 4

225

302

196

150

A B Y

9549

3530

25

1 2 9

34

ø3 3

94

220

119

46

10

96

A B

T P

Y

X

F3F6G2F4

F2

G1

F1

F5

26

13

1520,01/100

Rzmax 4


Unit dimensions NG16 (nominal dimensions in mm)

1 Pilot valve 2 O-ring 9.25 x 1.78 (ports P, A, B, T) 3 On-board electronics 4 Main valve 5 Inductive position transducer (main valve) 6 Nameplate 7 O-ring 23 x 2.5 (ports P, A, B, T) 8 O-ring 9 x 2 (ports X, Y) 9 Plug-in connector not included in delivery

(order separately)


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3

77

95

5 8 7 6 4

305382

196

190

A BX

125

4945

5718

1 2 9

ø13

43

ø66

118

250

149

46

10

118

A BX

T P Y

F3F6G2F4

F2

G1

F1

F5

20

13

194

0,01/100

Rzmax 4


Unit dimensions NG25/27 (nominal dimensions in mm)

1 Pilot valve 2 O-ring 9.25 x 1.78 (ports P, A, B, T) 3 On-board electronics 4 Main valve 5 Inductive position transducer (main valve) 6 Nameplate 7 O-ring (ports P, A, B, T)

NG25: 28 x 3NG27: 34.6 x 2.62

8 O-ring 15 x 2.5 (ports X, Y) 9 Plug-in connector not included in delivery

(order separately)


Deviates from standard:NG25: Ports P, A, B, T ∅ 25 mmNG27: Ports P, A, B, T ∅ 32 mmMinimum thread depth: Ferrous metal 1.5 x Ø

Non-ferrous 2 x ØSubplates, see Technical Data Sheet RE 45059Valve fastening bolts (order separately)The following valve fastening bolts are recommended:6 cheese-head bolts ISO 4762-M12x60-10.9-N67F821 70(galvanized in accordance with Bosch standard N67F821 70)Tightening torque NG25 MA = 90+30 Nm,

NG27 MA = 90±15 NmMaterial no. 2910151354


Cou

rtes

y of

CM

A/F

lody

ne/H

ydra

dyne

M

otio

n Con

trol

H

ydra

ulic

P

neum

atic

E

lect

rica

l M

echa

nica

l (

800)

426

-548

0

ww

w.c

maf

h.co

m


Bosch Rexroth AGHydraulicsZum Eisengießer 197816 Lohr am Main, GermanyTelefon +49 (0) 93 52 / 18-0Telefax +49 (0) 93 52 / 18-23 [email protected]

© This document, as well as the data, specifications and other information set forth in it, are the exclusive property of Bosch Rexroth AG. It may not be reproduced or given to third parties without its consent.The data specified above only serve to describe the product. No state- ments concerning a certain condition or suitability for a certain application can be derived from our information. The information given does not release the user from the obligation of own judgment and verification. It must be remembered that our products are subject to a natural process of wear and aging.

Notes

Cou

rtes

y of

CM

A/F

lody

ne/H

ydra

dyne

M

otio

n Con

trol

H

ydra

ulic

P

neum

atic

E

lect

rica

l M

echa

nica

l (

800)

426

-548

0

ww

w.c

maf

h.co

m

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