13 RG-SFMOD
Drive Control & Communication
5.4 Drive Status - Registers #24-29
5.4.1 Reading Register #24
When reading register #24, the group of words requested can be either 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 9: 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 D5L
Auto/Manual Status D5H
Present Fault D6H
Command Rotation D6L
NOTE 4a - Command Speed (Bytes D1H and D1L or Register #25)
• In tenths of a Hz
• Most significant byte is first, followed by Least significant
• Example: 02 01 in hex converts to 51.3Hz in decimal (assumed 1 decimal place).
NOTE 4b - Actual Speed (Bytes D2H and D2L or Register #25)
• In tenths of a Hz
• Most significant byte is first, followed by Least significant
NOTE 4c - 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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