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Honeywell ML8824 Series Quick Start Quide page 2

Linear electric valve actuator

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A5: Self-Adaption Mode
Power-on self-adaption: The actuator will directly enter into self-adaption mode
after being powered up. Meanwhile, the yellow indicator on PCB blinks (1Hz) and the
actuator will be automatically full off (traveling to the bottom) and then full on
(traveling to the top). When the indicator stops blinking, it means that the process is
completed. Afterwards, the actuator will travel to the designated position of control
signal.
Manual self-adaption: Press and hold button S1 on PCB for more than 5s (See
Fig. 1) until the indicator starts blinking (1Hz) to enter into self-adaption mode. The
phenomenon will be the same as power-on self-adaption.
A6
DIP Switch Setting
DIP
Function
Setting of control/
S2-1
feedback signal
Setting of control signal
S2-2
type
Setting of control signal
S2-3
input impedance
Setting of valve position
S2-4
feedback signal type
Setting of operating
S2-5
mode
Setting of signal inter-
S2-6
ruption mode
Setting of self-adaption
S2-7
mode
S2-8
Setting of control mode
S2-9
Reserved
S2-10
Speed setting
MU1B-0685GE51 R0620A
24V
ON
20%: The control/feedback signal is 4~20mA or 2~10VDC
OFF
0: The control/feedback signal is 0~20mA or 0~10VDC (factory default)
ON
II: The control signal is current type.
OFF
UI: The control signal is voltage type. (factory default)
ON
UI: The control signal is voltage type. (factory default)
OFF
II: The control signal is current type.
ON
IO: The valve position feedback signal is current type.
OFF
UO: The valve position feedback signal is voltage type. (factory default)
ON
DA: When control signal increases, actuator moves downward. When control signal decreases, actuator moves upward.
RA: When the control signal increases, the actuator moves upward. When control signal decreases, the actuator moves downward.
OFF
(factory default)
DW: When the control signal type is set as voltage or current, the actuator will automatically provide a minimum control signal if the
ON
signal cable is cut. (factory default)
UP: 1) When the control signal type is set as voltage, the actuator will automatically provide a maximum control signal if the signal
cable is cut.
OFF
2) When the control signal is set as current, actuator will automatically provide a minimal signal when the signal cable is cut.
ON
DF: In power-on self-adaption mode. (factory default)
OFF
RF: In manual self-adaption mode.
ON
Floating control.
OFF
Modulating control. (factory default)
ON
High speed: 600N - 3s/mm, 1800N - 2s/mm.
OFF
Low speed: 600N - 4s/mm, 1800N - 3s/mm.(factory default)
B:Manual
Clockwise
Anticlockwise
Function Description of Setting Value
5
FD-LV-0.6.2019-V01

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