KEB COMBIVERT F5 Reference Manual page 240

FB - Field Bus Parameters
FB05
Field Bus Control Word
Mask
FB06
Speed Scale Multiplier
FB07
Speed Scale Shift
Right
FB08
Position Scale
Multiplier
FB09
Position Scale Right
Shift
240
Read-only display of processed field bus target position, where 1 = 1 count
or 1 = 1/10th inch.
PDI Data (Target Position) x FB08 Position Scale Multiplier
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FB04 =
PDI Data (Target Position) is the FB34-37 parameter corresponding to target
position, depending on the telegram structure. If the FB17-20 PDI Map
Assignments are set according to the telegram structure, then they can be
used to determine which corresponding FB34-37 PDI Data is used as raw
data from the controller for target position.
FB05-09: Operations on PDI
These parameters are used to mask or scale by multiplier or divide the raw
data received from FB34-37 before being processed in FB01-04.
Bit mask ANDed with Field Bus Control Word.
FFFFh = No Mask, 0000h = Mask All.
Multiplier applied only to the Field Bus Speed command.
Divide (1/2^x) applied only to the Field Bus Speed command.
Multiplier applied only to the Field Bus Target Position command.
Divide (1/2^x) applied only to the Field Bus Target Position command.
2^FB09 Position Scale Shift Right