Danfoss VLT Midi Drive FC 280 Design Guide

130BA186.11
P 3-03
P 3-02
Sum of all
references
P 3-00 Reference Range= [0] Min to Max
Resulting reference
Illustration 2.16 Sum of All References When Minimum
Reference is Set to a Minus Value
2.4.2 Scaling of Preset References and Bus
References
Preset references are scaled according to the following
rules:
•
When parameter 3-00 Reference Range is set to [0]
Min–Max, 0% reference equals 0 [unit] where unit
can be any unit, for example RPM, m/s, and bar.
100% reference equals the maximum (absolute
value of parameter 3-03 Maximum Reference,
absolute value of parameter 3-02 Minimum
Reference).
•
When parameter 3-00 Reference Range is set to [1]
-Max–+Max, 0% reference equals 0 [unit], and
100% reference equals maximum reference.
Bus references are scaled according to the following
rules:
•
When parameter 3-00 Reference Range is set to [0]
Min–Max, 0% reference equals minimum
reference and 100% reference equals maximum
reference.
•
When parameter 3-00 Reference Range is set to [1]
-Max–+Max, -100% reference equals -maximum
reference, and 100% reference equals maximum
reference.
2.4.3 Scaling of Analog and Pulse
References and Feedback
References and feedback are scaled from analog and pulse
inputs in the same way. The only dierence is that a
reference above or below the specied minimum and
maximum endpoints (P1 and P2 in Illustration 2.17) are
clamped while feedbacks above or below are not.
Resource output
[Hz]
Resource input
Terminal X
high
High reference/
feedback value
130BD431.10
8
[V]
50
10
P1
P2
10
Low reference/
feedback value
Illustration 2.17 Minimum and Maximum Endpoints
Product Overview Design Guide
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Danfoss VLT Midi Drive FC 280 Specifications

General

Brand	Danfoss
Model	VLT Midi Drive FC 280
Category	DC Drives
Language	English