7.3.18 20-** FC Closed-loop
Par.
No. #
Parameter description
Default value
4-set-up
Change dur-
ing 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
20-13 Minimum Reference/Feedb.
0.000 ProcessCtrlUnit
All set-ups
TRUE
-3
Int32
20-14 Maximum Reference/Feedb.
100.000 ProcessCtrlUnit
All set-ups
TRUE
-3
Int32
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* Feedb. 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
20-34 Fan 1 Area [m2]
0.500 m2
All set-ups
TRUE
-3
Uint32
20-35 Fan 1 Area [in2]
750 in2
All set-ups
TRUE
0
Uint32
20-36 Fan 2 Area [m2]
0.500 m2
All set-ups
TRUE
-3
Uint32
20-37 Fan 2 Area [in2]
750 in2
All set-ups
TRUE
0
Uint32
20-38 Air Density Factor [%]
100 %
All set-ups
TRUE
0
Uint32
20-6* Sensorless
20-60 Sensorless Unit
null
All set-ups
TRUE
-
Uint8
20-69 Sensorless Information
0 N/A
All set-ups
TRUE
0
VisStr[2
5]
20-7* PID Autotuning
20-70 Closed-loop Type
[0] Auto
2 set-ups
TRUE
-
Uint8
20-71 PID Performance
[0] Normal
2 set-ups
TRUE
-
Uint8
20-72 PID Output Change
0.10 N/A
2 set-ups
TRUE
-2
Uint16
20-73 Minimum Feedback Level
-999999.000 ProcessCtrlUnit
2 set-ups
TRUE
-3
Int32
20-74 Maximum Feedback Level
999999.000 ProcessCtrlUnit
2 set-ups
TRUE
-3
Int32
20-79 PID Autotuning
[0] Disabled
All set-ups
TRUE
-
Uint8
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
VLT
®
HVAC Drive Instruction Manual
7 How to Program the Adjustable Frequency
Drive
MG.11.AB.22 - VLT
®
is a registered Danfoss trademark
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