Danfoss KE04202 Installation guide

Unit Specification

KE04202
Valve Drive Amplifier

3500 Annapolis Lane North, Minneapolis, MN 55447

Telephone: [phone] Telefax: [phone]

GENERAL DESCRIPTION

The device is a free–standing amplifier mounted on 4 standoffs. Voltage from a sensor potentiometer, through the amplifier,
produces current to drive electrohydraulic actuators. Connections to the amplifier are via screw terminals. An external switch
can change gain settings by shorting between two terminals.

ISSUE: 2 DATE: September 1996

DIMENSIONS

6,35

(0.25)

76,20
(3.00)

57,15
(2.25)

9,65

(0.38)

5,33 (0.21) INSIDE DIA.

12,70
(0.50)

Dimensions of the KE04202 in Millimeters (Inches).

114,30 (4.50)

101,60 (4.00)

CONNECTION DIAGRAM

1

2

3

4

KE04201

VALVE
DRIVE

AMPLIFIER

POLARITY OF BATTERY CONNECTIONS MAY BE REVERSED TO
CHANGE ACTION OUTPUT VERSUS SENSOR INPUT

GAIN SWITCH IS OPTIONAL. JUMPERS MAY BE USED IN PLACE
OF SWITCH

1647 1648

5

6

7

8

9

10

-

+

POTENTIOMETER

ROTARY POSITION

MED
LOW
HIGH

NO CONNECTION

OUTPUT TO 30 Ω LOAD

+

BATTERY

-

ACX104C

SENSOR

GAIN SWITCH

OUTPUT CHARACTERISTICS

SUPPLY VOLTAGE

24 Vdc (22 to 30 Volts)

TURN ON VOLTAGE

48% of supply

% MAXIMUM

OUTPUT VOLTAGE

MAXIMUM OUTPUT CURRENT

100 mA nominal

.

© Danfoss, 2013-09 K15299 UNIT SPEC 1

100

90
80
70

HIGH GAIN

MED GAIN

LOW GAIN

60
50
40
30
20
10

10 20 30 40 50 60 70 80 90 100

% SUPPLY VOLTAGE

1649A

.

.