EEA-PAM-513-A-32 - Eaton Commercial Controls

GB-2464

Rev . March 1996

Power Amplifier

EEA-PAM-5**-A-32 for Proportional Control Valves

Contents General Description

The following power amplifier models are covered in this catalog

The power amplifier has five voltage

it( i ti)d t

Power Amplifier For Proportional Valve

inputs (one inverting) and a current

input for 0-20 mA. Ad

ustments for set

EEA-PAM-513-A-32 KCG-3, 1* series

KCG-6/8, 1* series

KX(C)G-6/8, 1* series

for

020

stments

for

set

zero point or deadband compensation

and for gain allow the amplifier to be

easily tuned to the proportional control

valve The ram

f nction generator can

EEA-PAM-523-A-32 KTG4V-3...H*, 6* series

KDG4V-3...H*, 6* series

KDG5V-5/7/8, 1* series

ve.

e ramp

unc

on genera

or can

be switched on and off using the “ramp

enable” control.

Monitor

oints on the front

anel allow

EEA-PAM-525-A-32 KTG4V-5...H*, 3* series

KDG4V-5...H*, 3* series

itor

poi

the

fro

llo

measurement of the conditioned

command signal, and either of spool

iti LVDT i l (f l

EEA-PAM-533-A-32 KFTG4V - 3, 2* series

KFDG4V-3, 2* series

position LVDT signal or (for valves

without LVDT) of solenoid current.

(

“Conditioned command si

nal” is the

EEA-PAM-535-A-32 KFTG4V - 5, 2* series

KFDG4V-5, 2* series

( Conditioned

command

signal

the

input signal modified according to

settings of set zero point or deadband

com

ens tion g in nd r m

EEA-PAM-541-A-32 KHDG5V-5/7/8, 2* series

With zero-lapped main spool

compensat

on, ga

n an

ramp

functions.)

EEA-PAM-553-A-32 KSDG4V-3, 1* series Features

FUfidlft lithllth

EEA-PAM-561-A-32 KFDG5V-5, 3* series

KFDG5V-7, 1* series

FUser-friendly front panel with all the

necessary adjustments, LEDs and

monitor points

EEA-PAM-568-A-32 KFDG5V-8, 1* series

monitor

oints

FElectronic overload protection with

a tomatic reset

EEA-PAM-571-A-32 CVU-**-EFP1-3* au

oma

c rese

FPulse width modulation for high

ffi i

EEA-PAM-581-A-32 KHDG5V-5/7/8, 2* series

efficiency

FCan be e

uipped with plu

-in

FCan

ied

with

g-in

modules for special functions

FSwitchable ramp function generator

for controlling rates of increase and

decrease of output

F24V DC power supply

FEither current or voltage input signals

FStandard input and output signals

This product has been designed and tested to meet specific standards outlined in the European Electromagnetic Compatibility

Directive (EMC) 89/336/EEC, amended by 91/263/EEC, 92/31/EEC and 93/68/EEC, article 5. For instructions on installation

requirements to achieve effective protection levels, see this leaflet and the Installation Wiring Practices for Vickers Electronic

Products leaflet 2468. Wiring practices relevant to this Directive are indicated by Electromagnetic Compatibility (EMC).

Vickers®

Accessories

Warning: Electromagnetic Compatibility (EMC)

It is necessary to ensure that the unit is wired up in accordance with the connection

arrangements shown in this leaflet. For effective protection, the user’s electrical

cabinet, the valve subplate or manifold and the cable screens should be connected

to efficient earth (ground) points. The metal 7-pin connector part no. 934939 should be used for

the integral amplifier.

In all cases, both valve and cable should be kept as far away as possible from any source of

electromagnetic radiation such as cables carrying heavy current, relays and certain kinds of

portable radio transmitters, etc. Difficult environments could mean that extra screening may be

necessary to avoid the interference.

Front Panel

[4] Solenoid outp u t overload, red

Model

523, 525, 533, 535, 561, 568 and 581 513

Potentiometers

[1] 24V supply voltage, green

[2] 15V control voltage, green

[3] Solenoid output enabled, yellow

[5] L VDT failure, red

[6] Drive to solenoid, yellow

[7] Deadband compensation, flow from P to B

[8] Deadband compensation, flow from P to A

[10] Gain, flow from P to A

LED

[9] Gain, flow from P to B

LEDs

[11] Ramps enabled, yellow

Potentiometers

[13] Deceleration ramp

[12] Acceleration ramp

Monitor points Y

[14] Conditioned command signal MP1

[15] Common ground 0V

[16] Spool position MP2

(except for 523/525: solenoid current)

YØ 2 mm (0.0787I dia.) sockets

[19] Solenoid current MP2

[18] Gain

[17] Zero adjust

Potentiometers

Monitor point Y

[21] Deadband

compensation

571

Potentiometers

24V 15V

541, 553

[20] Adjust valve zero

Potentiometer

[22] Gain

24V 15V

Electrical Block Diagram

Overload

Ramps

+10V; 5 m Az2

EEA-PAM-523/525-A-32

533/535

561/568

571

581

EEA-PAM-541-A-32

553

EEA-PAM-513-A-32

b22

z12

b20

b12

b10

z10

b24

b18

z18

b32

z32

b30

z30

z24

z28

z26

b28

b26

z22

z14

z16

b14

b16

MP 2

+15V; 50 m A

–15V; 5 0 m A

–10V; 5 mA

Dec.Acc.

+15V

24V

z22

24V DC

Alarm outp u t

Drive zero signal indicator

Ramp active indicator

Command signal monitor point

Output monitor point

Solenoid

current

LVDT

pilot

LVDT

main

Enable ramps

Enabled

Deadband

compensation

Zero

point

Gain

Ramps

Enable ramps

Zero point

Note: T h i s i s a t y p i c a l d i a g r a m and all the features depicted may not be applicable

to all amplifiers, (e.g. LVDTs and dither)

Gain

MP 1

100

47kΩ

24V

Close to

enable drive

Controller

15V

Comm nd sign ls nd o tp ts

All models except 553 nd 571

553

571

Command signals and outputs All models except 553 and 571 553 571

Non-inverting voltage

b6/8/10 or z8 Non-inverting current

z6 Inverting voltage

z10 Secondary pins Output

bz4

PtoA

PtoB

Valve

bz4 P to A P to B

Valve

closed

  N/A

bz4

PtoB

PtoA

A to B

bz4 P to B P to A and

B to A

  N/A

Operating Data

Power supply:

Nominal

Vmin. - Vmax.

Amplifier shut-down

Protection

24V DC x 50W

20 - 40V (incl. pk.-to-pk. ripple 10% max.)

<18V DC

Reverse-polarity

Signal sources:

z22 & b22

z2 & b2

Temperature drift

15V x 50 mA max. (pk.-to-pk. ripple 50 mV)

10V (1%) x 5 mA max. (pk.-to-pk. ripple 20 mV)

1 mV/_C (0, 5 mV/_F) 0- 50_C ( 32 - 122_F)

All outputs short-circuit protected

Command inputs

Voltage:

Direct-V

Inverting-V

Umin. - Umax.

Input

Current

Range, I

Input

z6:

b8, b6, z8 & b10

z10

010V

47 k

020 mA

100

Power drive = PWM short-circuit protected

Max. solenoid current See table on next page

Current at zero (0V command signal on MP1) See table on next page

Dither Factory-set

Deadband compensation See table on next page

Gain See table on next page

Ramp-time adjustment:

Factory setting

min. - max.

Min.  50 ms

50 ms - 5s

Overload detection Automatic reset

Drive:

Enabled

Disabled

Input z

z24

z24 9,8 - 40V

Open circuit or 4,5V

22 k

Ramps:

Enabled

Disabled

Input z

b24

b24 9,8 - 40V

Open circuit or 4,5V

22 k

Command signal monitor point:

Front-panel

Output

&b18

MP1

Monitor signal after deadband compensation (minimum setting),

gain and ramps:

0 - 10V (10V Imax.)

10 k short-circuit protected

Output monitor point :

Front panel

Output

&z18

MP2

513/523/525 (without LVDT): 1 V/A

Other types (with LVDT):

10V at full stroke

10 k short-circuit protected

Ramp-active indicator

Output z

b12

Output 10V

Output 10V

Output = 0V (2V ripple)

10 k

Drive signal zero indicator

Drive signal at null (within deadband limits)

Drive active

Output resistance

b20

Output = Supply minus 1,5V; I = 50 mA max.

Output = 02V

50

Alarm output

Set alarm

Signal

Reset after failure

z12 Enable amplifier (on pin z24) when switching power on

HIGH when alarm is activated:

Output = Supply volts minus 2 volts; l = 50 mA max.

LOW when solenoid overload has occurred (maintained until reset):

Output = 0 to +/–2 volts; Output impedance = 50

Disable and re-enable on pin z24

Ambient temperature range 0 - 50_C (32 - 122_F) full specification

Edge connectors DIN 41612 F48 on board for card holder

F32 or F48

330g (0.15 lb)

Installation recommendations leaflet, packed with

amplifier ML-9160

Supporting products (see appropriate catalog):

Power supply 3,5A

5,0A

10,0A

Test adaptor

Portable test equipment

Cardholder D32

F32

F48

Edge connector F48

EHA-PSU-704-A3-20

EHA-PSU-704-A5-20

EHA-PSU-704-A10-20

EBA-TEQ-706-A-10

EHA-TEQ-700-A-20

EBA-TEQ-706-A-10

02-104806

02-104807

02-104808

732683

Model 513 523

525 533 535 541 553 561

568 571 581

Max. solenoid current 1,6A 1,6A 2,7A 2,7A 3,2A 3,2A 1,8A 2,9A 3,2A

Amplifier input current at 0V command

signal (MP1) 0,3A 0,3A 0,3A 0,3A 1,7A 1,7A 1,4A 1,1A 1,7A

Deadband compensation

Factory setting (% of max. spool stroke) –25% 15% 10% – – 10% 10% 10%

Adjustment per direction (% of max.

spool stroke from centered position) –0 -

50% 0 -

50% – – 0 -

50% 0 -

50%

Gain

Factory setting 10%/V 10%/V 10%/V 10%/V 10%/V 10%/V 10%/V 10%/V 10%/V

Adjustment per direction 2,5 -

10%/V 2,5 -

10%/V – – 2,5 -

10%/V 2,5 -

10%/V

Zero adjustment (% of max. spool stroke) 0 -

50% –––+/–

25% +/–

25% – – –

Wiring Connections

Amplifier Models: 513, 523, 525 Amplifier Models: 533, 535

Amplifier Model: 553

Amplifier Models: 541, 581

Amplifier Models: 561, 568

z22

b14

z14

z26

z28

z16

b26

b28

b16

+15V z22

b14

z14

z26

z28

z16

b26

b28

b16

+15V

z22

b14

z14

z26

z28

z16

b26

b28

b16

+15V

z22

b14

z14

z26

z28

z16

b26

b28

b16

+15V

z22

b14

z14

z26

z28

z16

b26

b28

b16

+15V

Amplifier Model: 571

z22

+15V

Amplifier Models to Typical Valve Type

Customer’s protective ground connection.

z28

z26

b14

b16

Note: If valves are fitted with the “B” type LVDT, the screen will be grounded at the valve end

by the shell of the connector.

Typical Input Connection Circuitry

Customer’s protective ground connection.

b10

z10

EEA-PAM-513-A-32

523/525

533/535

561/568

571

581

Valve Solenoid Connections

Note: Connection not polarity sensitive.

z26/28 (b26/28)

z28/26 (b28/26)

Protective ground: Connection not

required if power supply conforms

to VDE 0551/EN 60742/IEC 742

LVDT plug pin Amplifier pin

Pilot stage 1z14

2z22

3z16

4Not connected

Main stage 1b14

+CVU-EFP1 2z22

3b16

4Not connected

Electromagnetic Compatibility (EMC)

Notes for Wiring

1) Screened cables should be used for the command signals, the solenoid connections and the

LVDT connections.

2) Particular attention should be paid to the grounding of the screens as shown in the diagrams.

3) The screen on the LVDT cable needs to be grounded at both ends. An alternative method to

prevent creating earth loops is to use double screened cable with each screen grounded at

opposite ends.

4) The amplifiers should be mounted in a metal enclosure which is connected to an efficient

ground point.

Pin 2

Pin 1

Pin 3

Pin 4

Pin 2

Pin 1

Pin 3

Pin 4

B Type (EMC)

LVDT Connections

M & E Type

Vickers, Incorporated

5445 Corporate Drive

P.O. Box 302

Troy, Michigan

48007-0302

USA

Vickers Systems Ltd

2/F Chiaphua Centre

Yuen Shun Circuit

Siu Lek Yuen, Shatin

N.T. Hong Kong

Trinova do Brazil S.A.

CEP 07250-270

Av. Julia Gaioli, 450

Bonsucesso–Guarulhos

Sao Paulo 07

Brazil

Vickers Systems Division

TRINOVA Ltd

P.O. Box 4

New Lane, Havant

Hampshire PO9 2NB

England

Plug-in Unit of 3U Height (IEC 297)

128,4

(5.06) 100

(3.94)

175,24 (6.9)

(0.55)

14,2 (0.56)

7,2

(0.28)

8 (0.31)

2,5

(0.1)

Components envelope

z - pin row

b - pin row

d - pin row

7,92

(0.31)

122,4

(4.82)

7,45

(0.29)

(0.12)

40,3

(1.59)

(0.12)

Model

designation

M2,5 x 11 (0.43) long collar

screws supplied with panel for fixing

DIN 41612 F48 male connector.

Installation Dimensions in mm (inches)

Printed in U.S.A.

E Vickers, Incorporated, 1996