Danfoss VLT FC 100 Series Programming Manual page 86

Hvac drive
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Parameter Description
EXAMPLE 2:
Variable= FEEDBACK, range= -200% to +200%
Range needed for output= 0–100%
Output signal 0 or 4mA is needed at 0% (50% of range) -
set 6-51 Terminal 42 Output Min Scale to 50%
Output signal 20mA is needed at 100% (75% of range) -
set 6-52 Terminal 42 Output Max Scale to 75%
20 mA
0/4 mA
0%
50%
-200%
0%
Figure 3.29
EXAMPLE 3:
Variable value= REFERENCE, range= Min ref - Max ref
Range needed for output= Min ref (0%) - Max ref (100%),
0–10 mA
Output signal 0 or 4mA is needed at Min ref - set
6-51 Terminal 42 Output Min Scale to 0%
Output signal 10mA is needed at Max ref (100% of range) -
set 6-52 Terminal 42 Output Max Scale to 200%
(20mA/10mA x 100%=200%).
20 mA
10 mA
0/4 mA
0%
100%
Min ref
Max ref
Figure 3.30
6-53 Terminal 42 Output Bus Control
Range:
0.00 %
[0.00 - 100.00 %]
*
®
VLT
HVAC Drive Programming Guide
6-54 Terminal 42 Output Timeout Preset
Range:
0.00 %
3.8.7 6-6* Analog Output 2 MCB 101
Analog outputs are current outputs: 0/4 - 20mA. 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 6-50 Terminal 42 Output.
Option:
[0]
75%
100%
6-61 Terminal X30/8 Min. Scale
Range:
0.00 %
+100%
+200%
6-62 Terminal X30/8 Max. Scale
Range:
100.00 %
6-63 Terminal X30/8 Output Bus Control
Range:
0.00 %
6-64 Terminal X30/8 Output Timeout Preset
Range:
0.00 %
200%
Max ref X 20/10
Function:
MG11CD22 - VLT
®
is a registered Danfoss trademark
[0.00 - 100.00 %]
*
No operation
*
[0.00 - 200.00 %]
*
[0.00 - 200.00 %]
*
[0.00 - 100.00 %]
*
[0.00 - 100.00 %]
*
Function:
3
Function:
Function:
Function:
Function:
Function:
3-59
3

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