Par.
No. #
Parameter description Default value 4-set-up Change dur-
ing operation
Conver-
sion index
Type
21-5* Ext. CL 3 Ref./Fb.
21-50 Ext. 3 Ref./Feedback Unit [1] % All set-ups TRUE - Uint8
21-51 Ext. 3 Minimum Reference 0.000 ExtPID3Unit All set-ups TRUE -3 Int32
21-52 Ext. 3 Maximum Reference 100.000 ExtPID3Unit All set-ups TRUE -3 Int32
21-53 Ext. 3 Reference Source [0] No function All set-ups TRUE - Uint8
21-54 Ext. 3 Feedback Source [0] No function All set-ups TRUE - Uint8
21-55 Ext. 3 Setpoint 0.000 ExtPID3Unit All set-ups TRUE -3 Int32
21-57 Ext. 3 Reference [Unit] 0.000 ExtPID3Unit All set-ups TRUE -3 Int32
21-58 Ext. 3 Feedback [Unit] 0.000 ExtPID3Unit All set-ups TRUE -3 Int32
21-59 Ext. 3 Output [%] 0 % All set-ups TRUE 0 Int32
21-6* Ext. CL 3 PID
21-60 Ext. 3 Normal/Inverse Control [0] Normal All set-ups TRUE - Uint8
21-61 Ext. 3 Proportional Gain 0.01 N/A All set-ups TRUE -2 Uint16
21-62 Ext. 3 Integral Time 10000.00 s All set-ups TRUE -2 Uint32
21-63 Ext. 3 Differentation Time 0.00 s All set-ups TRUE -2 Uint16
21-64 Ext. 3 Dif. Gain Limit 5.0 N/A All set-ups TRUE -1 Uint16
6 How to Programme the Low Harmonic Drive
VLT HVAC Low Harmonic Drive Operating In-
structions
140 MG.16.A1.02 - VLT
®
is a registered Danfoss trademark
6