Danfoss KE04202 Installation guide

Unit Specification

KE04202

Valve Drive Amplifier

3500 Annapolis Lane North, Minneapolis, MN 55447	ISSUE: 2	DATE: September 1996
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.

DIMENSIONS			CONNECTION DIAGRAM
6,35	114,30	(4.50)				MED
	101,60 (4.00)			1
(0.25)						LOW	GAIN SWITCH
				2		HIGH
				3
				4		NO CONNECTION
			KE04201	5		OUTPUT TO 30 Ω LOAD
76,20			VALVE	6	+
(3.00)			DRIVE
					-	BATTERY
			AMPLIFIER
57,15				7
(2.25)				8	-
				9
				10	+
9,65					ACX104C
					POTENTIOMETER
(0.38)					ROTARY POSITION
					SENSOR

5,33 (0.21) INSIDE DIA.	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
12,70
(0.50)
1647	1648
Dimensions of the KE04202 in Millimeters (Inches).

OUTPUT CHARACTERISTICS
SUPPLY VOLTAGE
		100
24 Vdc (22 to 30 Volts)
			90						HIGH GAIN
TURN ON VOLTAGE			80							MED GAIN
48% of supply	% MAXIMUM		70						LOW GAIN
	OUTPUT VOLTAGE
MAXIMUM OUTPUT CURRENT			60
			50
100 mA nominal
			40
			30
			20
			10
						10			20			30					40			50					60			70			80			90			100
															% SUPPLY VOLTAGE
																																				1649A
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