Siemens SINUMERIK 840D sl Function Manual page 140

Examples
4.3 Examples of adaptive control
$AC_FCT0[1]=0.35
$AC_FCT1[1]=1.5 EX-5
STOPRE
...
STOPRE
ID=1 DO $AC_FCTUL[1]=$A_INA[2]*0.1+0.35
ID=2 DO SYNFCT(1, $AA_OFF[V], $A_INA[1])
...
Note
When system variables are used in the part program, STOPRE must be programmed to ensure
block-synchronous writing. The following is an equivalent notation for polynomial definition:
FCTDEF(1,0.2, 0.5, 0.35, 1.5EX-5).
140
; Zero passage a
0
; Pitch a
1
; see following note
; see following note
; Adjust upper limit dynamically via
analog input 2,
; no condition
;
; Clearance control by override of no
condition
;
Function Manual, 08/2018, 6FC5397-5BP40-6BA2
Synchronized actions