Danfoss VLT AQUA Drive FC 202 Programming Manual page 99

Parameter Description
Example 2:
Variable = feedback, range = -200% to +200%.
Range needed for output = 0–100%.
Output signal 0 mA or 4 mA is needed at 0% (50% of
range). Set parameter 6-51 Terminal 42 Output Min Scale to
50%.
Output signal 20 mA is needed at 100% (75% of range).
Set parameter 6-52 Terminal 42 Output Max Scale to 75%.
20 mA
0/4 mA
0% 50%
-200% 0%
Illustration 3.38 Example 2
Example 3:
Variable value = reference, range = minimum reference–
maximum reference
Range needed for output = minimum reference (0%)–
maximum reference (100%), 0–10 mA.
Output signal 0 mA or 4 mA is needed at minimum
reference. Set parameter 6-51 Terminal 42 Output Min Scale
to 0%.
Output signal 10 mA is needed at maximum reference
(100% of range). Set parameter 6-52 Terminal 42 Output
Max Scale to 200%.
(20 mA/10 mA x 100%=200%).
20 mA
10 mA
0/4 mA
0%
100%
Min ref Max ref
Illustration 3.39 Example 3
MG20OB02
Programming Guide
6-53 Terminal 42 Output Bus Control
Range:
0 %
6-54 Terminal 42 Output Timeout Preset
Range:
0 %
6-55 Terminal 42 Output Filter
Option: Function:
75% 100%
+100% +200%
[0]
[1]
3.8.7 6-6* Analog Output X30/8
Analog outputs are current outputs: 0/4–20 mA. Common
terminal (terminal X30/8) is the same terminal and
electrical potential for analog common connection.
Resolution on analog output is 12 bit.
6-60 Terminal X30/8 Output
Same options and functions as parameter 6-50 Terminal 42
Output.
200%
Max ref X 20/10
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Function:
[0 - 100 %] Holds the level of output 42 if controlled by
*
bus.
Function:
[0 - Holds the preset level of output 42.
*
100 %] If a timeout function is selected in
parameter 6-50 Terminal 42 Output, the output
is preset to this level if a fieldbus timeout
occurs.
The following readout parameters from selection in
parameter 6-50 Terminal 42 Output have a filter
selected when parameter 6-55 Terminal 42 Output Filter
is on:
Selection
Motor current (0–I )
max
Torque limit (0–T )
lim
Rated torque (0–T )
nom
Power (0–P )
nom
Speed (0–Speed )
max
Table 3.19 Readout Parameters
Off Filter off.
*
On Filter on.
3
0–20 mA 4–20 mA
[103] [133]
[104] [134]
[105] [135]
[106] [136]
[107] [137]
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