Instructions for Danfoss models including: KE07205 Ramped Valve Driver, KE07205, Ramped Valve Driver, Valve Driver

KE07205 Ramped Valve Driver Installation Guide

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AN152886481719en-000203
THRESHOLD FWD F/S REV F/S RAMP TIME
1 2 3 4 5 6 7 8 9 10 11 12

Phased Out Products

3500 Annapolis Lane North, Minneapolis, MN 55447 Telephone: (763) 509-2084 Telefax: (763) 559-0108

Unit Specification
KE07205 Ramped Valve Driver

ISSUE: 1

DATE: May 1993

GENERAL DESCRIPTION

This device is a ramped valve driver which accepts a setpoint potentiometer input from a control handle and drives a dual coil proportional valve. It is pulse-width modulated and has adjustable acceleration/deceleration ramping. The threshold, full stroke forward and full stroke reverse outputs are adjustable.
The KE07205 is a direct replacement for the MXX458 or the MXX1139. It is the same as the KE07203 except it has a 3.4 volt reference for null.

DIMENSION AND CONNECTION DIAGRAM

100,08 (3.94)
88,9 (3.50)

5,59 (0.22) 6,35 (0.25)
20,32 (0.8)

69,85 (2.75)

113,0 (4.45)

3,96 DIA (6) (0.156)

148,59 (5.85)

N/C N/C N/C N/C POT GND GND +24V POWER OUTPUT - FWD POT +8V POT WIPER LOAD CONTROL OUTPUT - REV

WHEN USED WITH LOAD CONTROL, CONNECT LOAD CONTROL OUTPUT TO TERMINAL 2 AND REMOVE JUMPER J4
Dimensions in millimeters (inches).

OUTPUT CHARACTERISTICS
SUPPLY VOLTAGE 24 Vdc
PWM FREQUENCY 100 Hz
© Danfoss, 2013-09

OUTPUT CURRENT 0.7 A

FACTORY SETTINGS WITH 26 OHM LOAD Threshold: 200 mA Full Stroke 600 mA

K1442.6 UNIT SPEC

. .

1686 1

OUTPUT CURRENT - mA

OUTPUT CURRENT - mA

VALVE OUTPUT - % R40 MAX CCW
R40 MAX CW

Phased Out Products

ADJUSTMENTS
2

100 75 50 25

0123456 TIME - SECONDS

1679

FULL CW
1000

FULL CW

800

R18

FACTORY

600

SETTING

FULL CCW

400

R18 FACTORY SETTING
FULL CCW

200

0 0 12 34 56 78 INPUT VOLTS
Threshold adjustment.

1696

1000 800 600

FULL CW

R31 FACTORY SETTING

400
FULL 200 CCW

FULL CW
R30 FACTORY SETTING
FULL CCW

0
0 12 34 56 78 INPUT VOLTS

Full stroke adjustment.

1697

K14426 UNIT SPEC

© Danfoss, 2013-09


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