The different Display Read-out states for the Danfoss VLT® FMC 300
Local Control Panel
 
The Read-out states of the Display are changed by pressing the [DISPLAY/STATUS] button on the Control Panel

FCM 300 button functions, Display modes and general programming (128 kB PDF)

 
Read-out state I for VLT FCM 300 Local Control Panel   Read-out state I
Standard after starting up or after initialization.
Line 2 gives the data value of an operating variable with related unit, and line 1 provides a text that explains line 2, cf. table. In the example, Frequency has been selected as variable.
 
Read-out state II for VLT FCM 300 Local Control Panel   Read-out state II
Press the [DISPLAY/STATUS] button to change to Read-out state II.
In this state, data values for four operating values are shown at the same time, giving the related unit, cf. table. In the example, Reference, Torque, Current and Frequency are selected as variables in the first and second line.
     
Read-out state III for VLT FCM 300 Local Control Panel   Read-out state III
This read-out state can be held as long as the [DISPLAY/STATUS] key is pressed. When the key is released, the system switches back to Read-out state II, unless the key is pressed for less than approx. 1 sec.
This is where parameter names and units for operating variables in the first line are given - operating variable 2 remains unchanged.
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