Analog Outputs - Danfoss vlt series Operating Instructions Manual

FC 300 Extended Relay Card Operating In-
structions

5.3 6-** Analog Outputs

5.3.1 6-7* Analog Output 3 MCB 113
Parameters for configuring the scaling and limits for analog output 3, Terminal X45/1 and X45/2. Analog outputs are current outputs: 0/4 – 20 mA.
Resolution on analog output is 11 bit.
6-70 Terminal X45/1 Output
Option:
[0] No operation
[52] MCO 305 0-20 mA
[53] MCO 305 4-20 mA
[100] Output frequency 0-20 mA
[101] Reference 0-20 mA
[102] Feedback
[103] Motor current 0-20 mA
[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
Function:
Select the function of Terminal X45/1 as an analog current output.
When no signal on the analog output.
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
Inv. Max. Current . Inverter max. current (160% current) is equal to
Value is taken from par. 16-37
20 mA.
Example: Inverter norm current (11 kW) = 24 A. 160 % = 38.4 A. Motor norm current = 22 A Read-
out 11.46 mA.
20 mA x 22 A
= 11.46 mA
A
38.4
In case the norm motor current is equal to 20 mA, the output setting of par. 6-52
Max Scale is:
I VLT x 100
Max x 100
38.4
=
I Motor 22
Norm
The torque setting is related to setting in par. 4-16
The torque is related to the motor torque setting.
Motor Power [kW] .
Taken from par. 1-20
Taken from par. 3-03 Maximum Reference . 20 mA = value in par. 3-03 Maximum Reference
Torque reference related to 160% torque.
Max Output Frequency .
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 Inv. Max. Current . 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.
16 mA x 22 A
= 9.17 mA
A
38.4
In case the norm motor current is equal to 20 mA, the output setting of par. 6-52
Max Scale is:
I VLT x 100
Max x 100
38.4
=
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 Motor Power [kW]
MI.33.G3.02 - VLT® is a registered Danfoss trademark
= 175 %
Torque Limit Motor Mode
= 175 %
Torque Limit Motor Mode .
5 Parameter Set-up
5
Terminal 42 Output
Terminal 42 Output
25