Danfoss VLT 8000 AQUA Operations Instructions download pdf (Page 31)

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VLT

5000 / VLT

6000 HVAC / VLT

8000 AQUA

Drive status

NvoDrvStatus, nvoStatusWord, nvo-

DigitalInput, nvoAlarmWord, nvoWarning1 and

nvoWarning2 are all 16 bit Boolean values

using the SNVT_state variable type. Individual

bits represent specific drive status states. The

tables provided in

Drive Status Bit Definitions

define each bit.

Drive output 1

Network variable nvoOutputPcnt provides an

analog indication of drive operation. In open

loop, this is the drive output frequency in

percentage within the reference range. To

avoid negative numbers, or numbers above

100%, set parameter 204,

Min. Reference

0 Hz, and parameter 205,

Max. Reference

equal to parameter 202

, Max. Frequency

In closed loop, this is the drive's feedback

signal within the reference range. For best

operation, set

Min. Reference

to equal

parameter 413 (414),

Min. Feedback

, and

Max. Reference

to equal parameter 414 (415),

Max. Feedback.

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Danfoss VLT 8000 AQUA Operations Instructions Page 31