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Programming Basics

1.2 Basics of feed function

04.07

1-20

SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition

1.2.3 F1-d ig it f eed

It is possible to select a feedrate by specifying a 1-digit numeral (1 to 9) following

address F. With this manner of designation of an F command, the feedrate preset

for the specified numeral is selected.

The F1--Digit Feed function needs to be enabled by MD setting as follows:

$MC_FIXED_FEEDRATE_F1_F9_ACTIV = TRUE: F1--Digit Feed enable

$MC_FIXED_FEEDRATE_F1_F9_ACTIV = FALSE: F1--Digit Feed disable

With the above mentioned MD set to FALSE, F1 to F9 in a machining program is

interpreted as standard feed (F) programming, i.e. F2 = 2 mm/min. With the above

mentioned MD set to TRUE, the feedrate to be selected in response to the desi-

gnation of F1 to F9 should be set for the setting data indicated in Table 1-3.

Feedrate 0 is activated if the corresponding value of the setting data is 0.

Table 1-3 Setting data used for preseting F1--digit feedrates

F command Setting data

F1 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[0]

F2 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[1]

F3 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[2]

F4 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[3]

F5 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[4]

F6 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[5]

F7 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[6]

F8 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[7]

F9 $SC_EXTERN_FIXED_FEEDRATE_F1_F9[8]

Note: Input format=REAL

Siemens SINUMERIK 802D sl Programming Manual

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