# Initialisation of feed rate unit (P-CHAN-00108)

P-CHAN-00108 | Default feed rate unit at program start
Description | This parameter defines the unit used to interpret the feed rate value (e.g. F1000).
Parameter | prog_start.feedrate_factor
Data type | REAL64
Data range | 0.1: Unit of the F word is m/min 100: Unit of the F word is mm/min ≤ 0 : Warning output. Internal default assignment with value 100 (mm/min). Exception: When the value is -1 or if the parameter is not in the list, no warning is generated. Also internal default assignment with value of 100 (mm/min).
Dimension | ----
Default value | 100
Remarks | Parameterisation example: The programmed feed rate is interpreted in the unit of mm/min. prog_start.feedrate_factor 100