Parker PWD Series Bedienungsanleitung

Bulletin HY11-5715-677/UK

Operation Manual

Series PWDXXA-40X

Design ³20

Electronic for

Proportional DC Valves

Parker Hanniﬁn

Manufacturing Germany GmbH & Co. KG

Hydraulic Controls Division Europe

Gutenbergstr. 38

41564 Kaarst, Germany

Tel.: (+49) 181 99 44 43 0

E-mail: valveshcd@parker.com

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

Offer of Sale

Please contact your Parker representation for a detailed ”Offer of Sale”.

FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED

HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY

DAMAGE.

This document and other information from Parker-Hanniﬁn Corporation, its subsidiaries and

authorized distributors provide product or system options for further investigation by users having

technical expertise.

The user, through its own analysis and testing, is solely responsible for making the ﬁnal selection

of the system and components and assuring that all performance, endurance, maintenance,

safety and warning requirements of the application are met. The user must analyze all aspects

of the application, follow applicable industry standards, and follow the information concerning

the product in the current product catalog and in any other materials provided from Parker or its

subsidiaries or authorized distributors.

To the extent that Parker or its subsidiaries or authorized distributors provide component or

system options based upon data or speciﬁcations provided by the user, the user is responsible for

determining that such data and speciﬁcations are suitable and sufﬁcient for all applications and

reasonably foreseeable uses of the components or systems.

WARNING — USER RESPONSIBILITY

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

Contents Page

1. Introduction 4

1.1. Front view / dimensions 4

1.2. Ordering code 4

1.3. Name plate 4

1.4. Block diagram 5

1.5. Characteristics 5

1.6. Technical data 6

1.7. Signal ﬂow diagram 7

2. Safety instructions 8

2.1. Symbols 8

2.2. Marking, name plates 8

2.3. Work at the electronics 8

3. Important details 8

3.1. Intended usage 8

3.2. Common instructions 8

3.3. Liability 8

3.4. Storage 8

4. Mounting / Installation 9

4.1. Scope of supply 9

4.2. Mounting 9

4.3. Operation limits 9

4.4. Electrical connection 9

4.5. Electrical interfacing 10

5. Operating instructions 19

5.1. Operating software program 19

5.2. Program installation 20

5.3. Software operating 21

5.4. Adjustment parameters 22

5.5. Guideline for closed loop applications 26

5.5.1. Application: Closed loop systems for position 26

5.5.2. Application: Closed loop systems for pressure (via pressure control valves) 30

5.6. Error messages 34

6. Maintenance 35

7. Trouble-shooting 35

8. Repair / Service 37

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

1. Introduction

1.1. Front view / dimensions

Position

control

universal

Electronic

module for

DC valves

Design

series

Ampliﬁer,

Min/Max adjustment,

accel/decel ramps,

command input

Technology

function

1.2. Ordering code

Code Function

0 Standard

1 Linearization

1.3. Name plate

XXPWD A 40

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

1.4. Block diagram

Parker electronic modules PWDXXA-40X for rail

mounting are compact, easy to install and provide

time-saving wiring by disconnectable terminals.

The digital design of the circuit results in good

accuracy and optimal adaption for proportional

directional control valves with position sensor by

a comfortable interface program.

1.5. Characteristics

The described electronic unit combines all neces-

sary functions for the optimal operation of pro-

portional directional control valves with position

sensor. The most important features are:

• digital circuit design

• parametrizable control as position control for

valve spool or external closed loop control

• constant current control

• differential input stage with different signal options

• monitor output for spool stroke/feedback, status

output

• four quadrant ramp function

• enable input for solenoid driver

• status indicator

• parametering by serial interface RS-232C

• connection by disconnectable terminals

• compatible to the relevant European EMC-

standards

• Comfortable PC user software, free of charge:

www.parker.com/euro_hcd - see "Support", or

directly at www.parker.com/propxd.

• optional technology function "linearization"

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

General

Model Module package for snap-on mounting on EN 50022 rail

Package material Polycarbonate

Inﬂammability class V0 acc. UL 94

Installation position Any

Ambient temperature range [°C] -20...+60

Protection class IP 20 acc. EN 60529

Weight [g] 160

Electrical

Duty ratio [%] 100

Supply voltage [VDC] 18...30, ripple < 5 % eff., surge free

Switch-on current typ. [A] 22 for 0.2 mS

Current consumption max. [A] 2.0

Pre-fusing [A] 2.5 A medium lag

Command signal options

[V]

[mA]

+10...0...-10, ripple < 0.01 % eff., surge free, Ri = 100 kOhm

+20...0...-20, ripple < 0.01 % eff., surge free, Ri = 200 Ohm

4...12...20, ripple < 0.01 % eff., surge free, Ri = 200 Ohm

< 3.6 mA = solenoid output off,

> 3.8 mA = solenoid output on (acc. NAMUR NE43)

Input signal resolution [%] 0.025

Differential input voltage max. [V] 30 for terminals 5 and 6 against PE (terminal 8)

11 for terminals 5 and 6 against 0 V (terminal 2)

Sensor supply [V] 18...30 (US), max. current <100 mA

Enable signal [V] 0...2.5: Off / 5...30: On / Ri = 100 kOhm

Status signal [V] 0...0.5: Off / Us: On / rated max. 15 mA

Monitor signal [V] +10...0...-10, rated max. 5 mA, signal resolution 0.4 %

Adjustment ranges Min

Max

Ramp

Zero offset

Current

Initial current

[%]

[s]

[%]

[A]

[%]

0...50

50...100

0...32.5

+100...-100

1.3 / 2.7 / 3.5

0...25

Interface RS-232C, DSub 9p. male for null modem cable

EMC EN 61000-6-2

Connection Screw terminals 0.2...2.5 mm², disconnectable

Cable speciﬁcation [AWG]

[AWG]

16 overall braid shield for supply voltage and solenoids

20 overall braid shield for sensor and signal

Cable length [m] 50

Options

Technology function Code1 Software adjustable transfer function with 10 compensation points

for linearization of valve behaviour.

1.6. Technical data

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

1.7. Signal ﬂow diagram

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

3.2. Common instructions

We reserve the right of technical modiﬁcations of

the described product. Illustrations and drawings

within this manual are simpliﬁed representations.

Due to further development, improvement and

modiﬁcation of the product, the illustrations might

not match precisely with the described valve. The

technical speciﬁcations and dimensions are not

binding. No claim may resulting from it. Copyrights

reserved.

3.3. Liability

The manufacturer does not assume liability for

damage due to the following failures:

• incorrect mounting / installation

• improper handling

• lack of maintenance

• operation outside the speciﬁcations

Do not disassemble the electronics! In case

of suspicion for a defect please return the unit

to the factory.

3.4. Storage

In case of temporary storage the electronics must

be protected against contamination, atmospheric

exposure and mechanical damages.

2. Safety instructions

Please read the operation manual before installa-

tion, startup, service, repair or stocking! Paying no

attention may result in damaging the electronics or

incorporated system parts.

2.1. Symbols

This manual uses symbols which have to be fol-

lowed accordingly:

Instructions with regard to the warranty

Instructions with regard to possible dam-

aging of the electronics or linked system

components

Helpful additional instructions

2.2. Marking, name plates

Instructions applied on the electronics, i.e. wiring

diagrams and name plates, must be observed and

maintained legibly.

2.3. Work at the electronics

Working in the area of installation and commis-

sioning of the electronics may only be allowed

by qualiﬁed personnel. This means persons who

due to education, experience and instruction, have

sufﬁcient knowledge of relevant directives and ap-

proved technical rules.

3. Important details

3.1. Intended usage

This operation manual is valid for module elec-

tronics PWDXXA-40X series. Any use diverging

or going beyond is deemed to be as not intended.

The manufacturer is not liable for warranty claims

resulting from this.

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

Dimensions assembly rail

Work ﬂow for module installation

Mounting:

1. Apply the module with the assembly rail guide

at the lower edge of the rail.

2. Engage the module upward.

Removing:

1. Lift the metal socket lock with a suitable screw-

driver (approx. 4 x 1 mm blade) against the spring

force.

2. Unmount the module at the top edge of the as-

sembly rail.

4. Mounting / Installation

4.1. Scope of supply

Please check immediately after receiving the elec-

tronics, if the content is matching with the speciﬁed

scope of supply. The delivery includes:

• module electronics

• operation manual

Please check the delivery immediately after

receiving the shipment for apparent damages

due to shipping. Report shipment losses at

once to the carrier, the insurance company

and the supplier!

4.2. Mounting

• Compare electronics type (located on the name

plate) with part list resp. circuit diagram.

• The module may be mounted in any direction.

• The module has to be mounted within a shielded

environment (i.e. control cabinet).

• For mounting an assembly rail acc. EN 50022 is

required.

4.3. Operation limits

The electronics may be operated within the de-

termined limits only. Please refer to the “technical

data” section.

Follow the environmental conditions! Unal-

lowable temperatures, shock load, moisture

exposure, radiation exposure, illegal electro-

magnetic emmissions may result in operating

trouble and may lead to failure! Follow the

operating limits listed in the “speciﬁcations”

table!

4.4. Electrical connection

The electrical connection of the module electron-

ics takes place by disconnectable screw terminal

blocks.

This easy-to-install connection type allows a

fast module replacement and a visible sepa-

ration of the electrical connection. An addi-

tional folding unlocking lever allows simple

removing of the terminal blocks and serves

at once as shock hazard protection and mark-

ing strip.

PWDXXA-40X_20 5715-677 UK.indd 26.01.17

Electronic for proportional DC valves

Series PWDXXA-40X

Operation Manual

Parker Hanniﬁn Corporation

Hydraulics Group

Parker Hanniﬁn Corporation

Hydraulics Group

Skinning length for the connection wires

Wiring diagram of supply voltage

The connecting wires have to comply to the follow-

ing speciﬁcation:

Wire type: hookup cable, stranded

Cross sections: supply and solenoids min.

AWG 16/1.5 mm²

sensor and signals min.

AWG 20/0.5 mm²

Wire length: max. 50 m

For wire lengths > 50 m consult factory.

The screw terminals are designed to allow termina-

tion of all kinds of copper wires without the need

for preparation. Copper made wire end sleeves

may usable as conductor stripping protection for

the stranded wires.

Soldering of the connection wires is not per-

mitted.

To ensure EMC-compatibility the wiring of the mod-

ule has partly to be undertaken by shielded cables.

Detailed information can be read from the chapter

“Electrical Interfacing”.

The installation has to take place by qualiﬁed

personnel! A short between individual con-

ductors, loose wires as well as improper

shield connection may result in malfunction

and breakdown of the electronics resp. the

connected valve!

The mounting surface of the valve has to be

carefully tied to the earth grounded machine

frame. The earth ground wire from terminal

8 as well as the cable shields have to be tied

to the protective earth terminal within the

control unit. It is necessary to use a low

ohmic potential connection between control

unit and machine frame to prevent earth loops

(cross section min. AWG 6 / 10 mm²).

4.5. Electrical interfacing

Supply Voltage:

The supply voltage for the electronics will be con-

nected to the terminals 1 and 2 of the module

electronics and has to cover the range of 18...30 V.

The residual ripple may not exceed 5 % eff.

The applied power supply must comply to the

relevant regulations (DIN EN 61558) and

must carry a CE-mark.The operating voltage

for the electronics must be free of inductive

surges. Do not exceed the max. value of

30V! Non-observance of this rule may result

in permanent damaging of the electronics

resp. the connected valve!

The increased inrush current of the valve

should be considered when selecting the

power supply. A stabilized power supply with

overcurrent limiting feature should not be

used. Due to the inrush current of the elec-

tronics the current limit circuit may respond

prematurely and create problems during

energizing of the supply voltage.

The operation of the electronics is blocked if

the supply voltage polarity is interchanged.

Each electronics requires a separate pre-fuse

of 2.5 Amp time lag. Non-observance of this

instruction may create irreparable damage of

electronics resp. incorporated system parts.

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