Danfoss VLT AutomationDrive FC 301 Programming Manual page 119

Parameter Descriptions
6-60 Terminal X30/8 Output
Option: Function:
[142] Bus ctrl Parameter 4-54 Warning Reference Low
4-20mA t.o. defines the behavior of the analog output in
case of bus timeout.
[149] Torque % Torque reference. Parameter 3-00 Reference
lim 4-20mA Range [Min.-Max.] 0% = 4 mA; 100% = 20
mA
Parameter 3-00 Reference Range [-Max. -
Max.] -100% = 4 mA; 0% = 12 mA; +100% =
20 mA
In relation to parameter 4-19 Max Output
[150] Max Out Fr
4-20mA Frequency.
6-61 Terminal X30/8 Min. Scale
Range: Function:
0 % [0 - Scales the minimum output of the selected analog
*
200 %] signal on terminal X30/8. Scale the minimum value
as a percentage of the maximum signal value, that
is 0 mA (or 0 Hz) is required at 25% of the
maximum output value and 25% is programmed.
The value can never exceed the corresponding
setting in parameter 6-62 Terminal X30/8 Max. Scale
if the value is below 100%.
This parameter is active when VLT
Purpose I/O MCB 101 is mounted in the frequency
converter.
6-62 Terminal X30/8 Max. Scale
Range: Function:
100 [0 - Scales the maximum output of the selected
% 200 % analog signal on terminal X30/8. Scale the value
*
] to the required maximum value of the current
signal output. Scale the output to give a lower
current than 20 mA at full scale or 20 mA at an
output below 100% of the maximum signal value.
If 20 mA is the required output current at a value
between 0–100% of the full-scale output,
program the percentage value in the parameter,
that is, 50%=20 mA. If a current 4–20 mA is
required at maximum output (100%), calculate
the percentage value as follows:
20 mA / desired maximum current x 100 %
20 − 4
i . e . 10 mA : x 100 = 160 %
10
6-63 Terminal X30/8 Bus Control
Range: Function:
0 % [0 - 100 %] Holds the level of output X30/8 if controlled
*
by bus.
6-64 Terminal X30/8 Output Timeout Preset
Range: Function:
0 % [0 - Holds the preset level of output X30/8.
*
100 %]
MG33ML02
Programming Guide
6-64 Terminal X30/8 Output Timeout Preset
Range:
3.8.8 6-7* Analog Output 3 MCB 113
Parameters for configuring the scaling and limits for analog
output 3, terminals 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
®
General
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
Danfoss A/S © 02/2016 All rights reserved.
Function:
If there is a fieldbus timeout and a timeout
function is selected in parameter 6-60 Terminal
X30/8 Output, the output is preset to this level.
Function:
Select the function of terminal X45/1 as an
analog current output.
When no signal on the analog output is
present.
0 Hz = 0 mA; 100 Hz = 20 mA.
Parameter 3-00 Reference Range [Min. -
Max.] 0% = 0 mA; 100% = 20 mA
Parameter 3-00 Reference Range [-Max. -
Max.] -100% = 0 mA; 0% = 10 mA; +100%
= 20 mA
The value is taken from
parameter 16-37 Inv. Max. Current. The
inverter maximum current (160% current)
is equal to 20 mA.
Example: Inverter normal current (11 kW) =
24 A. 160% = 38.4 A. Motor normal current
= 22 A, readout 11.46 mA.
20 mA x 22 A
= 11 . 46 mA
38 . 4 A
In case the normal motor current is equal
to 20 mA, the output setting of
parameter 6-52 Terminal 42 Output Max
Scale is:
I x 100
38 . 4 x 100
VLT
Max = = 175 %
I 22
Motor
Norm
The torque setting is related to setting in
parameter 4-16 Torque Limit Motor Mode.
The torque is related to the motor torque
setting.
Taken from parameter 1-20 Motor Power
[kW].
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