NOTICE
Internal/closed loop: The FC 103 controls the application
directly using the internal PID control and needs an
input from an external input, such as a temperature or
other sensor, which is wired directly into the frequency
converter and controls from the sensor signal.
External/open loop: The FC 103 takes its control signal
from another controller (such as a pack controller), which
gives the frequency converter e.g. 0-10 V, 4-20 mA or FC
103 Lon. The frequency converter changes its speed
depending on this reference signal.
Illustration 4.11 Select Sensor Type
Illustration 4.12 Settings for Sensor
Illustration 4.13 Info: 4-20 mA Feedback Chosen - Connect
Accordingly
Illustration 4.14 Info: Set Switch Accordingly
Illustration 4.15 Select Unit and Conversion from Pressure
Illustration 4.16 Select Fixed or Floating Setpoint
Illustration 4.17 Set Setpoint
Illustration 4.18 Set High/Low Limit for Setpoint
Start-up and Functional Tes... Operating Instructions
58 Danfoss A/S © Rev. 05/2014 All rights reserved. MG16J202
44
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