V1: Feedrates
17.4 Feedrate control
Basic Functions
1402 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
17.4.7 Fixed feedrate values
Function
The machine data can be used to define 4 fixed feedrate values, which can be activated via the interface signal.
The function is possible in AUTOMATIC and JOG modes.
Behavior in AUTOMATIC mode
The fixed feedrate, which has been selected, is used instead of the programmed feedrate. The following MDs
and interface signals can be used to select fixed feedrates for path/geometry axes:
• MD12202 $MN_PERMANENT_FEED[n] (fixed feedrates for linear axes)
• MD12204 $MN_PERMANENT_ROT_AX_FEED[n] (fixed feedrates for rotary axes)
• IS "Activate fixed feedrate x for path/geometry axes" (DB21, ... DBX29.0- 29.3)
The contour travels at the activated fixed feedrate, instead of using the programmed feedrate.
Behavior in JOG mode
The fixed feedrate selected via the interface signal is applied during travel instead of the JOG velocities set.
The travel direction is specified via the interface signal.
The following MDs and interface signals can be used to select fixed feedrates for path/geometry axes and for
machine data:
Note
The axial feedrate/path feedrate (F value) is the 100% feedrate.
Feedrates smaller than or equal to the axial feedrate/path feedrate can be implemented with
"Multiple feedrate values in one block" (F2 to F7 values).
The "Multiple feedrate values in one block" functionality is only available in conjunction with
the "Synchronized actions" function.
Reference:
Function Manual, Basic Functions; Various Interface Signals and Functions (A2)
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