Drive control & communication – Lenze MC Series Drives User Manual

Page 18

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RG-MCMOD

14

Drive Control & Communication

5.4 Drive Status - Registers #24-29

5.4.1 Reading Register #24

When reading register #24, the number of wordscan either be 1 or 6. This is an exception to the rule of
being able to read only one register at a time. If 6 words are requested at register #24, the following will
be returned:

Table 10: 6 Register read at #24

Parameter

Data Byte

Command Speed

D1H D1L

Actual Speed

D2H D2L

Load

D3H

Operation Status

D3L

Rotational Direction

D4H

Control Mode

D4L

Speed Command Source

D5H

Speed Reference

D5L

Present Fault

D6H

Command Rotation

D6L

NOTE 3a - Command Speed (Bytes D1H and D1L or Register #24)
• In hundredths of a Hz
• Most significant byte is first, followed by Least significant
• Example: 02 01 in hex converts to 5.13Hz in decimal.

NOTE 3b - Actual Speed (Bytes D2H and D2L or Register #25)
• In hundredths of a Hz
• Most significant byte is first, followed by Least significant

NOTE 3c - Load (Bytes D3H or Register #26 DH)
• In percent of full load
• Example: 64 (one byte in hex) ==> 100 in decimal ==> 100% (drive load).

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