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Unit Specification
3500 Annapolis Lane North, Minneapolis, MN 55447
Telephone: (763) 509-2084 Telefax: (763) 559-0108
ISSUE: 1 DATE: May 1993
KE07205
Ramped Valve Driver
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.
OUTPUT CHARACTERISTICS
SUPPLY VOLTAGE
24 Vdc
PWM FREQUENCY
100 Hz
OUTPUT CURRENT
0.7 A
FACTORY SETTINGS WITH 26 OHM LOAD
Threshold: 200 mA
Full Stroke 600 mA
DIMENSION AND CONNECTION DIAGRAM
1686
100,08
(3.94)
88,9
(3.50)
5,59 (0.22)
6,35 (0.25)
69,85 (2.75)
113,0 (4.45)
148,59 (5.85)
3,96 DIA (6)
(0.156)
THRESHOLD
FWD
F/S
REV
F/S
RAMP
TIME
20,32
(0.8)
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
1 2 3 4 5 6 7 8 9 10 11 12
Dimensions in millimeters (inches).
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© Danfoss, 2013-09 K14426 UNIT SPEC 1
Phased Out Products
ADJUSTMENTS
TIME - SECONDS
0 1 2 3 4 5 6
25
50
75
100
R40 MAX CCW
R40 MAX CW
VALVE OUTPUT - %
1679
1696
Threshold adjustment.
1697
Full stroke adjustment.
INPUT VOLTS
0
0
OUTPUT CURRENT - mA
1 2 3 4 5 6 7 8
200
400
600
800
1000
FULL CW
R18
FACTORY
SETTING
FULL
CCW
FULL CW
R18
FACTORY
SETTING
FULL
CCW
INPUT VOLTS
0
0
OUTPUT CURRENT - mA
1 2 3 4 5 6 7 8
200
400
600
800
1000
FULL CW
R30
FACTORY
SETTING
FULL
CCW
FULL CW
R31
FACTORY
SETTING
FULL
CCW
2 K14426 UNIT SPEC © Danfoss, 2013-09
Phased Out Products
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