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8 Operation
The valve with electric actuator is ready for use when mounting and start-up have been com-
pleted.
NOTICE
!
Operation disrupted by a blocked actuator or plug stem (form-fit version).
Î Do not impede the movement of the actuator or plug stem by inserting objects into their
path.
8.1 Closed-loop control
The electric actuator with process controller normally operates in closed-loop operation. In
this case, the control behavior and movement of the actuator stem depend on the parameter
settings (see Configuration Manual u KH 5724).
Applications
− Pt 1000 sensors
− Pt 1000 sensor with binary contact BI1 to switch between set points
− Pt 1000 sensor with flow switch (BI2)
− Pt 1000 sensor with water flow sensor
− Pt 1000 sensor with set point guided by current input
− Current signal (actual value)
− Pump control using switching output
8.2 LED blinking pattern
The state of the corresponding
LED (on/off) is shown over time.
EB 5724 EN
Gray: LED illuminated White: LED not illuminated
On
Off
Operation
Time in s
8-1
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