Par. No. # Parameter description Default value 4 set-up Change during
operation
Conver-
sion index
Type
20-0* Feedback
20-00 Feedback 1 Source [2] Analog input 54 All set-ups TRUE - Uint8
20-01 Feedback 1 Conversion [0] Linear All set-ups FALSE - Uint8
20-02 Feedback 1 Source Unit null All set-ups TRUE - Uint8
20-03 Feedback 2 Source [0] No function All set-ups TRUE - Uint8
20-04 Feedback 2 Conversion [0] Linear All set-ups FALSE - Uint8
20-05 Feedback 2 Source Unit null All set-ups TRUE - Uint8
20-06 Feedback 3 Source [0] No function All set-ups TRUE - Uint8
20-07 Feedback 3 Conversion [0] Linear All set-ups FALSE - Uint8
20-08 Feedback 3 Source Unit null All set-ups TRUE - Uint8
20-12 Reference/Feedback Unit null All set-ups TRUE - Uint8
20-2* Feedback & Setpoint
20-20 Feedback Function [3] Minimum All set-ups TRUE - Uint8
20-21 Setpoint 1 0.000 ProcessCtrlUnit All set-ups TRUE -3 Int32
20-22 Setpoint 2 0.000 ProcessCtrlUnit All set-ups TRUE -3 Int32
20-23
Setpoint 3 0.000 ProcessCtrlUnit All set-ups TRUE -3 Int32
20-3* Feedback Adv. Conv.
20-30 Refrigerant [0] R22 All set-ups TRUE - Uint8
20-31 User-defined Refrigerant A1 10.0000 N/A All set-ups TRUE -4 Uint32
20-32 User-defined Refrigerant A2 -2250.00 N/A All set-ups TRUE -2 Int32
20-33 User-defined Refrigerant A3 250.000 N/A All set-ups TRUE -3 Uint32
20-8* PID Basic Settings
20-81 PID Normal/ Inverse Control [0] Normal All set-ups TRUE - Uint8
20-82 PID Start Speed [RPM] ExpressionLimit All set-ups TRUE 67 Uint16
20-83 PID Start Speed [Hz] ExpressionLimit All set-ups TRUE -1 Uint16
20-84
On Reference Bandwidth 5 % All set-ups TRUE 0 Uint8
20-9* PID Controller
20-91 PID Anti Windup [1] On All set-ups TRUE - Uint8
20-93 PID Proportional Gain 0.50 N/A All set-ups TRUE -2 Uint16
20-94 PID Integral Time 20.00 s All set-ups TRUE -2 Uint32
20-95 PID Differentiation Time 0.00 s All set-ups TRUE -2 Uint16
20-96 PID Diff. Gain Limit 5.0 N/A All set-ups TRUE -1 Uint16
6.2.17. 20-** FC Closed-loop
VLT
®
HVAC Drive Instruction Manual
6. How to program the adjustable frequency
drive
MG.11.A4.22 - VLT
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