Parker D1FH series Manuale utente

Bulletin HY11-5715-590/UK

Proportional DC Valve

Parker Hannifin GmbH

Hydraulic Controls Division

Gutenbergstr. 38

41564 Kaarst, Germany

Tel.: +49-181 99 44 43 0

Fax: +49-2131-513-230

E-mail: infohcd@parker.com

Installation Manual

Series D1FH

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

Note

This document and other information from Parker Hannifin GmbH, its

subsidiaries, sales offices and authorized distributors provide product

or system options for further investigation by users having technical

expertise.Beforeyouselectoruseanyproductorsystemitisimportant

that you analyse all aspects of your application and review the

information concerning the product or system in the current product

catalogue. Due to the variety of operating conditions and applications

for these products or systems, the user, through his own analysis and

testing, is solely responsible for making the final selection of the

products and systems and assuring that all performance and safety

requirements of the application are met. The products are subject to

change by Parker Hannifin GmbH at any time without notice.

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

General Description

The Parker D1FH valve is a high response pro-

portional servo valve with an on-board drive

amplifier.TheD1FHincorporatestheuseofstate-

of-the art drive electronics with an LVDT for

continuous monitoring of the spool position. Zero

lapspoolsareavailableforclosedloopapplications

with two different 'power down' configurations.

The valve features frequency response levels

greater than 100 Hz, along with low hysteresis

and exellent repeatability.

Operation

The D1FH valve uses a precision lapped spool

and sleeve configured with four control positions.

During normal operation the valve will shift from

the center position to either side providing flow

out the 'A' or 'B' port. When the enable signal is

removed from the drive amplifier, the valve will

shift to a fourth position. The fourth position will

block all four ports in one version. A second

version that is available will block the 'P' port and

allow the 'A' and 'B' ports to bleed to the 'T' (tank

line).

Note

The tank line to the valve must have a minimum

pressureof(1.4bar).Maximumpressureis35bar

(500 PSI).

Features

• On-Board Electronic Drive Amplifier

Integral electronics eliminates the need for

costly wiring between the valve and driver

card. The unit is shipped as a factory preset

and tested unit.

• High Frequency Response

The valve features a very high frequency

response which is necessary for many closed

loop applications.

• Four Position Spool Capability

The four position spool provides predictable

flow in the event of a power failure to the

drive electronics, within the limits of the power

curve.

• 315 bar Pressure Capability

The maximum operating pressure rating for

the D1FH is 315 bar or 4500 PSI (40 L/M

version limited to 210bar).

• Spool Position Feedback

The LVDT continuous feedback monitoring

circuit provides low hysteresis and exellent

repeatability.

• Contaminant Sensitivity

The D1FH operates with standard mineral oil

based fluids with a cleanliness level of ISO

Class 16/13, SAE Class # 4.

• Drive Enable Feature

Outputtothecoilisshutdownwhentheenable

signal,(5 to30 VDC),is notpresent. Thevalve

will then shift to the fourth position flow path

selected by the user (E50 or E80 spool).

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

Ordering Code

valve Spool

type

Nominal

size

NG06 /

CETOP 3

Supply

voltage

24VDC

Control

valve

Seal

NBR

(different seal

compound by

request)

J 00

Voltage /

current input

switchable

Design

series

Flow

control 4/4

directional

control

valve

H1N

Code

E50B

E50D

E50H

E50M

Spool type Flow [l/min]

at ∆p = 35bar

per metering edge

E80B

E80D

E80H

E80M

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

General

Design Pilot-operated proportional DC valve with integrated power amplifier

Actuation Proportional solenoid

Mounting position optional

Environmental temperature [°C] 0...60

Hydraulics

Pressure medium Hydraulic oil as per DIN 51 524 ... 535

Viscosity, recommended [mm²/s] 30 ... 80

max. admiss. [mm²/s] 20 ... 380

Oil temperature [°C] 0 ... +60

Filtration Permitted contamination class of pressure medium as per NAS 1638 class 7

to achieve with filter βx = 75; X = 10

Mounting pattern DIN 24340 / ISO 4401 / CETOP RP121 / NFPA

Operating pressure [bar] Port P, A, B, max. 315; Port T min. 1.4, max. 35

Nominal size, DIN NG06 NG10

CETOP 03 05

Weight [kg] 3.7 7.7

Nominal flow at ∆p=35bar D1FH D3FH

per metering edge [l/min] 5, 10, 20, 40 50, 100

Drain, max. [l/min] 1.0 2.0

Static / Dynamic

Hysteresis [%] < 0.5 < 0.5

Reversible span [%] < 0.1 < 0.1

Sensitivity [%] < 0.1 < 0.1

Response time [ms] 16 25

Integrated electronics

Supply voltage [V] 21 ... 30 18 ... 30

Power consumption [VA] 30 55

Current requirement [A] 2 2

Current consumption max. [A] 4 4

Input signal Polarity D against E positive corresponds to P-A, B-T, negative corresponds to P-B, A-T

Voltage [V] ±10

Impedance [kOhm] 100

Current [mA] ±20

Impedance [Ohm] 500

Diagnostic output PIN F [V] ±10

Protection class IP65, NEMA 4

Plug 6 + PE DIN 43563

Technical Data

EN 50081-2 EN 55011

EN 50082-2 ENV 50140 EN 61000-4-4

ENV 50204 EN 61000-4-5

EN 61000-4-2 EN 61000-4-6

EMC

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

Valve Type

D1FH***C*BJ00, "B" Version

This is the standard version which operates off a

24 VDC supply, accepts a ± voltage or current

command and interfaces to the system through a

7 pin I/O connector located on the conduit box.

Installation

Refer to the back of the manual for fluid recom-

mendations, mounting restrictions and other

general installation instructions.

Refer to Catalogue HY11-2500/UK for the

performancecurves and valve dimensions forthe

D1FH.

Interface - 7 Pin I/0 Connector

Power Supply 24 VDC nominal/ 2.0 Amps

4.0 Amps Peak (<10 ms)

+ to Pin A

- to Pin B

Enable 5 to 30 VDC at Pin C

No signal disables the valve

Command ± 10 VDC between Pin D and

Pin E.

Input If D is more positive than E,

flow is from P →A.

Note: If command source is

not differential, tie the unused

input to the command source

common.

SpoolPosition Pin F + - 10 Volt

Output Positive voltage P →A

(optional) Negative voltage: P →B

ChassisGround Pin G, internally wired to the

valve body

InterfaceWiring Diagram (7pin)

Board Setup

Command input Jumpers select

* P1 and P4 factory pre set - DO NOT ADJUST

P2 Null

P6 Driver Gain

±VDC JP2IN

±20mA JP1IN

* For best noise immunity,

tie to PWR supply COM.

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

Initial Startup

• With no command input, turn on DC power.

• Turn on the Enable signal

• Slowly increase pressure. If there is flow with

no command input, it may be necessary to

NULL the valve. Refer to the Troubleshooting

section.

• Decrease pressure and connect command.

For initial setup, the external closed loop gain

should be minimum and the pressure at a low

setting.

• Once the system is operational, increase the

systemgainandincreasethesystempressure.

Functional Block Diagram, Version B

* Factory adjustments - DO NOT ADJUST

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

Symptom Cause Solution

Instability Power Supply? Select a power supply not current limited below 4.0 A Use a

separate power supply for each valve. The power supply must

be chassis grounded.

Noise on inputs? To verify, remove input signals and short + CMD to - CMD. For

best noise immunity, connect input signals (2 wires for each

input) directly to the command source. This is a 100 Hz valve so

60 hertz noise at the inputs will be amplified.

System Gain? Initial startup should be with the external feedback loop gain at a

minimum value and lower pressure. Oscillation maybe a result of

high loop gain. (Note: With motion controllers minimum gain may

be lower than one).

OilTemperature? The oil temperature should be within the 100° F to 140° F range.

(Viscosity range = 75 to 300 SSU).

Air in valve? High frequency operation with low tank line pressure could result

in air in the valve. The suggested tank line pressure is for > 25

PSI. To eliminate air, apply a low pressure and cycle the valve at

a low frequency with a command of approximately. ± 10 VDC (or

± 20 mA)

Valve Gain? Adjust potentiometer P6 CCW to decrease valve gain.

Null System Variations? The valve was nulled for a double rod cylinder. If excessive drift

occurs with no inputs connected, null the valve for minimum flow

or movement by slowly adjusting potentiometer P2. This should

require less than ± 3 turns from the set value.

Low Flow Flow Limited? Verify potentiometer P1 is fully CW. Verify command input is 10

VDC for maximum flow.

FloatingInput? Connect the unused CMD input to source common.

System Pressure? Verify that the system pressure is set as required and there are

no other flow paths.

No Flow Power? Verify there is power to the board and it is wired with the correct

polarity.

Verify that the ENABLE signal is present.

Verify that the connections to the valve subplate are correct.

Full Flow Phasing? If connected to an external feedback system, verify open loop

operation of valve with a potentiometer. Improper system

phasing would result in maximum Command input.

CylinderExtended/ Phasing? System phasing is incorrect. Try reversing the system CMD or

Retracted and Fdbk inputs.

Won't Return

Flow With No Enable System Dynamics? The spool will return to the fourth position only if the system dy-

namic flows and pressures are within the power capacity

envelop. The fourth position is subject to all Bernoulli flow forces,

radial hydraulic lock forces and other forces that affect all

directional control valves. The system designer must determine if

the dynamic flows and pressures in the system will prevent the

spool from returning to the fourth position. This would have to be

verified with full load testing.

As with any spool valve, the user should not rely on the valve to

hold loads in place. The leakage rate through the fourth position

blocked center spool (80 spool) will allow an unloaded single rod

cylinder to extend. This occurs with any blocked center four-way

valve.

Trouble Shooting

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

For maximum valve reliability, adhere to the

following Installation Information.

Fluid Recommendations

Premium quality hydraulic oil with a viscosity

range between 150 - 250 SSU (32-54 cst.) at 38° C

(100°F)is recommended.The absolute operation

viscosity range is from 15 - 300 (15 - 44 cst.) Oil

should have maximum anti-wear properties and

rust and oxidation treatment.

Filtration

For maximum valve and system component life,

the system should be protected from contamina-

tion at a level not to exceed 125 particles greater

than 10 microns per milliliter of fluid. (SAE Class

4orbetter/ISOCode16/13).Flushingthesystem

prior to valve installation is recommended on new

installations.

Silting

Silting can cause any sliding spool valve to stick,

andnotspringreturn,ifheldshiftedunserpressure

for long periods of time. The valve should be

cycled periodically to prevent sticking.

Special Installations

Consult your Parker representative for any appli-

cation requiring the following:

• Pressure above rated

• Fluid other than those specified

• Synthetic or fire-resistant fluids

• Oil temperature above 60°C

• Flow path other than normal

• Non-standard power supply grounding

Torque Specifications

The recommended torque values for the bolts

whichmountthevalve to the manifold or subplate

are as follows:

NFPA Size Bolt Thread Torque

Size

D03 M5 x 0.8 5.6 Nm

Mounting Restriction

In order to ensure proper operation, the D1FH

must be mounted horizontally. If the valve is

mountedvertically,a check valve with a minimum

rating of 1.4 bar (20 PSI), should be placed in the

tank line to maintain back pressure to the valve.

Tank Line Surges

If several valves are piped with a comman tank

line, flow surges in the line may cause an

unexepted spool shift. Separate tank lines should

be used when line surges are expected.

Subplate Specifications

Subplate Port Size Location Max.

Pressure

SPD23 3/8"NPTF Bottom 210 bar

SPD2330 3/8" NPTF Bottom 350 bar

SPD23S 9/16-18 NPTF Bottom 210 bar

SPD23SA 9/16-18 NPTF Side 210 bar

Proportional DCValve

Series D1FHInstallation Manual

IA D1FH UK A5.PM6.5 CM

Parker Hannifin GmbH

Hydraulic Controls Division

Dimensions

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