Danfoss VLT FC 300 Operating Instructions Manual page 20

5. Parameter Set-up
[100] Output frequency 0-20 mA
[101] Reference 0-20 mA
[102] Feedback
[103] Motor current 0-20 mA
5
[104] Torque rel to lim 0-20 mA
[105] Torque rel to rated motor torque
0-20 mA
[106] Power 0-20 mA
[107] Speed 0-20 mA
[108] Torque ref. 0-20 mA
[109] Max Out Freq 0-20 mA
[130] Output freq. 4-20 mA
[131] Reference 4-20 mA
[132] Feedback 4-20 mA
[133] Motor cur. 4-20 mA
[134] Torque % lim. 4-20 mA
[135] Torque % nom 4-20 mA
[136] Power 4-20 mA
[137] Speed 4-20 mA
[138] Torque 4-20 mA
[139] Bus ctrl. 0-20 mA
[140] Bus ctrl. 4-20 mA
[141] Bus ctrl. 0-20 mA, timeout
[142] Bus ctrl. 4-20 mA, timeout
[150] Max Out Freq 4-20 mA
20
0 Hz = 0 mA; 100 Hz = 20 mA.
Par. 3-00 [Min - Max] 0% = 0 mA; 100% = 20 mA
Par. 3-00 [-Max - Max] -100% = 0 mA; 0% = 10 mA; +100% = 20 mA
Value is taken from par. 16-37. Inverter max. current (160% current) is equal to 20 mA.
Example: Inverter norm current (11 kW) = 24 A. 160 % = 38.4 A. Motor norm current = 22 A Read-
out 11.46 mA.
m A x A
20 22
m A
= 11.46
A
38.4
In case the norm motor current is equal to 20 mA, the output setting of par. 6-52 is:
I VLT x
100
Max x
38.4 100
=
I Motor
22
Norm
The torque setting is related to setting in par. 4-16
The torque is related to the motor torque setting.
Taken from par. 1-20.
Taken from par. 3-03. 20 mA = value in par. 3-03
Torque reference related to 160% torque.
In relation to par. 4-19.
0 Hz = 4 mA, 100 Hz = 20 mA
Par. 3-00 [Min-Max] 0% = 4 mA; 100% = 20 mA
Par. 3-00 [-Max-Max] -100% = 4mA; 0% = 12 mA; +100% = 20 mA
Value is taken from par. 16-37. Inverter max. current (160% current) is equal to 20 mA.
Example: Inverter norm current (11 kW) = 24 A. 160 % = 38.4 A. Motor norm current = 22 A Read-
out 11.46 mA.
m A x A
16 22
m A
= 9.17
A
38.4
In case the norm motor current is equal to 20 mA, the output setting of par. 6-52 is:
I VLT x
100
Max x
38.4 100
=
I Motor
22
Norm
The torque setting is related to setting in par. 4-16.
The torque setting is related to the motor torque setting.
Taken from par. 1-20
Taken from par. 3-03. 20 mA = Value in par. 3-03.
Torque reference related to 160% torque.
An output value set from fieldbus process data. The output will work independently of internal
functions in the frequency converter.
An output value set from fieldbus process data. The output will work independently of internal
functions in the frequency converter.
Par. 4-54 defines the behaviour of the analog output in case of bus time-out.
Par. 4-54 defines the behaviour of the analog output in case of bus time-out.
In relation to par. 4-19.
MI.33.G2.02 - VLT® is a registered Danfoss trademark
FC 300 Extended Relay Card Operating In-
= 175 %
= 175 %
structions