Toshiba PROFIBUS-DP PBDP-110 - Manual (Page 23)

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Frequency Command
Drive parameter number FA01. The data contained in the frequency command word
is the desired frequency command multiplied by 100, and then converted to
hexadecimal. In other words, if a frequency command of 55.34Hz is desired, then
55.34 x 100 = 5534, which converted to hexadecimal is 0x159E. The frequency
command high byte (offset 6 or 22) must therefore contain 0x15, and the frequency
command low byte (offset 7 or 23) must contain 0x9E.
If the frequency command exceeds limiting drive parameters (such as the upper limit
frequency), the drive will ignore it, maintaining its current setting.
Action Bits / Parameter Number
Parameter action bits and 16-bit parameter register number. Refer to section 10 for
a detailed explanation of these items.
Parameter Data
During parameter register writes, this word contains the data to write. Refer to
section 10 for a detailed explanation of this data word
Again, in case of any discrepancies, documentation provided by the drive
manufacturer supercedes the examples given here.